Nilfisk Advance America Vacuum Cleaner RS 501 User Manual

RS 501  
ENGLISH  
SERVICE MANUAL  
33015499(3)2008-02  
 
SERVICE MANUAL  
ENGLISH  
TABLE OF CONTENTS  
GENERAL INFORMATION.............................................................................................................................................. 3  
MACHINE LIFTING ......................................................................................................................................................................... 3  
MACHINE TRANSPORT ................................................................................................................................................................. 3  
PUSHING OR TOWING THE MACHINE......................................................................................................................................... 3  
OTHER AVAILABLE MANUALS ...................................................................................................................................................... 3  
SAFETY........................................................................................................................................................................................... 3  
GENERAL SAFETY INSTRUCTIONS............................................................................................................................................. 4  
TECHNICAL DATA........................................................................................................................................................................... 6  
ENVIRONMENTAL CONDITIONS................................................................................................................................................... 8  
MAINTENANCE............................................................................................................................................................................... 9  
SCHEDULED MAINTENANCE TABLE ........................................................................................................................................... 9  
MACHINE NOMENCLATURE ........................................................................................................................................................11  
SWEEPING SYSTEM .................................................................................................................................................... 17  
DESCRIPTION .............................................................................................................................................................................. 17  
TROUBLESHOOTING................................................................................................................................................................... 18  
SIDE BROOM POSITION CHECK AND ADJUSTMENT............................................................................................................... 19  
BROOM REPLACEMENT ............................................................................................................................................................. 21  
BROOM SPEED ADJUSTMENT................................................................................................................................................... 22  
DUST AND DEBRIS COLLECTION SYSTEM .............................................................................................................. 23  
DESCRIPTION .............................................................................................................................................................................. 23  
TROUBLESHOOTING................................................................................................................................................................... 25  
HOPPER, FILTER AND SUCTION HOSE CLEANING, AND GASKET CHECK........................................................................... 26  
SUCTION INLET AND SKIRT HEIGHT AND OPERATION CHECK ............................................................................................. 29  
SUCTION INLET WHEEL DISASSEMBLY/ASSEMBLY................................................................................................................ 31  
SUCTION INLET SLIDING PANELS DISASSEMBLY/ASSEMBLY............................................................................................... 32  
SUCTION INLET DISASSEMBLY/ASSEMBLY ............................................................................................................................. 33  
SKIRT REPLACEMENT ................................................................................................................................................................ 34  
HOPPER POSITION ADJUSTMENT............................................................................................................................................. 35  
HOPPER LID CLOSING ACTUATOR ADJUSTMENT................................................................................................................... 37  
MOTOR AND SUCTION FAN DISASSEMBLY/ASSEMBLY.......................................................................................................... 39  
SUCTION HOSE DISASSEMBLY/ASSEMBLY ............................................................................................................................. 41  
DUST CONTROL SYSTEM ........................................................................................................................................... 43  
DESCRIPTION .............................................................................................................................................................................. 43  
TROUBLESHOOTING................................................................................................................................................................... 44  
NOZZLE AND FILTER CLEANING................................................................................................................................................ 45  
WATER FILTER CLEANING.......................................................................................................................................................... 47  
WATER TANK EMPTYING ............................................................................................................................................................ 48  
STEERING SYSTEM ..................................................................................................................................................... 49  
DESCRIPTION .............................................................................................................................................................................. 49  
TROUBLESHOOTING................................................................................................................................................................... 50  
REAR AXLE TOE-IN ADJUSTMENT............................................................................................................................................. 51  
BRAKE SYSTEM........................................................................................................................................................... 53  
DESCRIPTION .............................................................................................................................................................................. 53  
TROUBLESHOOTING................................................................................................................................................................... 54  
BRAKE FLUID LEVEL CHECK...................................................................................................................................................... 55  
PARKING BRAKE CHECK AND ADJUSTMENT........................................................................................................................... 56  
PARKING BRAKE CONTROL CABLE REPLACEMENT............................................................................................................... 57  
BRAKE SYSTEM CHECK ............................................................................................................................................................. 59  
BRAKING MASSES REPLACEMENT........................................................................................................................................... 60  
BRAKE SYSTEM BLEEDING........................................................................................................................................................ 61  
DRIVE SYSTEM............................................................................................................................................................. 63  
DESCRIPTION .............................................................................................................................................................................. 63  
TROUBLESHOOTING................................................................................................................................................................... 64  
TIRE PRESSURE CHECK ............................................................................................................................................................ 65  
REVERSE GEAR BUZZER CHECK AND REVERSE GEAR BUZZER ACTIVATION SENSOR ADJUSTMENT ......................... 66  
REVERSE GEAR BUZZER SENSOR DISASSEMBLY/ASSEMBLY............................................................................................. 67  
WHEEL REMOVAL/INSTALLATION.............................................................................................................................................. 68  
DRIVE SYSTEM MOTOR DISASSEMBLY/ASSEMBLY................................................................................................................ 69  
DRIVE PEDAL CHECK AND ADJUSTMENT ................................................................................................................................ 70  
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SERVICE MANUAL  
LDW 1603/B2 ENGINE.................................................................................................................................................. 73  
DESCRIPTION .............................................................................................................................................................................. 73  
TROUBLESHOOTING................................................................................................................................................................... 74  
ENGINE OIL LEVEL CHECK......................................................................................................................................................... 75  
ENGINE OIL CHANGE.................................................................................................................................................................. 76  
ENGINE OIL FILTER CHANGE..................................................................................................................................................... 77  
ENGINE COOLANT LEVEL CHECK............................................................................................................................................. 78  
ENGINE AIR FILTER CLEANING.................................................................................................................................................. 79  
FUEL FILTER REPLACEMENT..................................................................................................................................................... 80  
FUEL FITTING AND SCREW CHECK .......................................................................................................................................... 81  
ALTERNATOR BELT TENSION CHECK....................................................................................................................................... 82  
ALTERNATOR BELT REPLACEMENT.......................................................................................................................................... 83  
RADIATOR FIN CLEANING CHECK............................................................................................................................................. 84  
ENGINE COOLANT LINE SLEEVE CHECK................................................................................................................................. 85  
ENGINE COOLANT CHANGE ...................................................................................................................................................... 86  
INJECTOR CALIBRATION AND CLEANING ................................................................................................................................ 87  
CLIMATE CONTROL SYSTEM ..................................................................................................................................... 89  
DESCRIPTION .............................................................................................................................................................................. 89  
TROUBLESHOOTING................................................................................................................................................................... 90  
COMPRESSOR BELT TENSION CHECK (LDW 1603/B2 engine)............................................................................................... 91  
COMPRESSOR BELT REPLACEMENT (LDW 1603/B2 engine).................................................................................................. 92  
AIR FILTER REPLACEMENT........................................................................................................................................................ 93  
OTHER SYSTEMS......................................................................................................................................................... 95  
NUT AND SCREW TIGHTENING AND LEAKAGE CHECK.......................................................................................................... 95  
LUBRICATION............................................................................................................................................................................... 96  
CHECK AND ADJUSTMENT OF SENSOR FOR ENGINE START-UP INHIBITION WHEN  
THE DRIVE PEDAL IS PRESSED ................................................................................................................................................ 97  
DISASSEMBLY/ASSEMBLY OF SENSOR FOR ENGINE START-UP INHIBITION WHEN  
THE DRIVE PEDAL IS PRESSED ................................................................................................................................................ 98  
HYDRAULIC SYSTEM................................................................................................................................................... 99  
DESCRIPTION .............................................................................................................................................................................. 99  
COMPONENT LOCATION ............................................................................................................................................................ 99  
HYDRAULIC DIAGRAM .............................................................................................................................................................. 101  
TROUBLESHOOTING................................................................................................................................................................. 103  
HYDRAULIC SYSTEM OIL LEVEL AND DRAIN FILTER EFFICIENCY CHECK........................................................................ 104  
HYDRAULIC SYSTEM OIL CHANGE ......................................................................................................................................... 105  
HYDRAULIC SYSTEM OIL SUCTION FILTER REPLACEMENT ............................................................................................... 107  
HYDRAULIC SYSTEM OIL DRAIN FILTER REPLACEMENT .................................................................................................... 108  
DRIVE SYSTEM PUMP OIL FILTER REPLACEMENT............................................................................................................... 109  
HYDRAULIC SYSTEM OIL COOLER FIN CLEANING CHECK...................................................................................................110  
REAR WHEEL CONTROL HYDRAULIC CYLINDER DISASSEMBLY/ASSEMBLY.....................................................................111  
HYDRAULIC CYLINDERS DISASSEMBLY/ASSEMBLY ............................................................................................................112  
SUCTION FAN CONTROL VALVE ASSEMBLY REMOVAL/INSTALLATION...............................................................................114  
ACCESSORY SYSTEM CONTROL VALVE ASSEMBLY REMOVAL/INSTALLATION.................................................................115  
ACCESSORY AND STEERING SYSTEM PUMP DISASSEMBLY/ASSEMBLY (LDW 1603/B2 engine).....................................116  
SUCTION FAN PUMP DISASSEMBLY/ASSEMBLY .................................................................................................................. 120  
DRIVE SYSTEM PUMP DISASSEMBLY/ASSEMBLY................................................................................................................. 121  
HYDRAULIC SYSTEM OIL PRESSURE CHECK AT THE SUCTION FAN PUMP ..................................................................... 122  
HYDRAULIC SYSTEM OIL PRESSURE CHECK AT THE ACCESSORY AND STEERING SYSTEM PUMP............................ 124  
HYDRAULIC SYSTEM OIL PRESSURE CHECK ON DRIVE SYSTEM PUMP.......................................................................... 126  
ELECTRICAL SYSTEM............................................................................................................................................... 129  
DESCRIPTION ............................................................................................................................................................................ 129  
COMPONENT LOCATION .......................................................................................................................................................... 129  
WIRING DIAGRAM...................................................................................................................................................................... 133  
TROUBLESHOOTING................................................................................................................................................................. 137  
BATTERY FLUID LEVEL CHECK................................................................................................................................................ 138  
FUSE REPLACEMENT ............................................................................................................................................................... 139  
RELAY REPLACEMENT ............................................................................................................................................................. 140  
CONTROL PANEL DISPLAY REPLACEMENT........................................................................................................................... 141  
LOW BEAM AND HIGH BEAM ADJUSTMENT AND BULB REPLACEMENT ............................................................................ 142  
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SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
GENERAL INFORMATION  
NOTE  
Forward, backward, front, rear, left or right are intended with reference to the operator’s position, while on the driver’s  
seat.  
MACHINE LIFTING  
WARNING!  
Do not work under the lifted machine without supporting it with safety stands.  
MACHINE TRANSPORT  
(See User Manual)  
WARNING!  
Before transporting the machine, make sure that:  
All lids and covers are closed.  
All moving parts are stopped.  
The ignition key is removed.  
The machine is securely fastened to the means of transport.  
PUSHING OR TOWING THE MACHINE  
WARNING!  
When pushing or towing the machine, carefully follow the relevant instructions given in the User Manual. Failure  
to follow these instructions may cause damage to the machine.  
OTHER AVAILABLE MANUALS  
The following Manuals are available at Nilfisk Literature Service Department:  
RS 501 Spare Parts List – Nilfisk Form Number 33015502  
RS 501 User Manual – Nilfisk Form Number 33015501  
SAFETY  
The following symbols indicate potentially dangerous situations. Always read this information carefully and take all necessary  
precautions to safeguard people and property.  
DANGER!  
It indicates a dangerous situation with risk of death for the operator.  
WARNING!  
It indicates a potential risk of injury for people or damage to objects.  
CAUTION!  
It indicates a caution related to important or useful functions.  
Pay careful attention to the paragraphs marked by this symbol.  
NOTE  
It indicates a remark related to important or useful functions.  
CONSULTATION  
It indicates that it is necessary to consult the User Manual before performing any procedure.  
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ENGLISH  
SERVICE MANUAL  
GENERAL INFORMATION  
GENERAL SAFETY INSTRUCTIONS  
Specific warnings and cautions to inform about potential damages to people and machine are shown below.  
DANGER!  
This machine must be used by properly trained and authorised personnel only.  
Moreover, the operator must:  
Be of full age  
Have a driving license  
Be in normal psycho-physical conditions  
Not be under the effect of substances that alters the nervous system (alcohol, psycopharmaceuticals,  
drugs, etc.)  
Before performing any maintenance/repair procedure remove the ignition key, engage the parking brake  
and disconnect the battery.  
Do not wear jewels when working near electrical components.  
Do not work under the lifted machine without supporting it with safety stands.  
When working under open hoods/lids, make sure that they cannot be closed by accident.  
When performing maintenance procedures with the lifted hopper, apply the relevant support rods.  
Do not operate the machine near toxic, dangerous, flammable and/or explosive powders, liquids or vapors.  
Be careful, fuel is highly flammable.  
Do not smoke or bring naked flames in the area where the machine is refuelled or where the fuel is stored.  
Refuel outdoors or in a well-ventilated area, with the engine off.  
Do not fill the fuel tank to the top, but leave at least 4 cm from the filler neck to allow the fuel to expand.  
After refuelling, check that the filler cap is tightly closed.  
If any fuel is spilled while refuelling, clean up the affected area and allow the vapors to dissipate before  
starting the engine.  
Avoid contact with skin and do not breathe in fuel vapors. Keep out of reach of children.  
Do not tilt the engine too much to avoid fuel spillage.  
During machine transportation, the fuel tank must not be full.  
WARNING!  
Carbon monoxide (CO) can cause brain damage or death.  
The internal combustion engine of this machine can emit carbon monoxide.  
Do not inhale exhaust gas fumes.  
Only use indoors when adequate ventilation is provided, and when an assistant has been instructed to look  
after you.  
Do not lay any object on the engine.  
Before working on the engine turn it off. To prevent the engine from starting accidentally, disconnect the  
battery negative terminal.  
See also the SAFETY RULES in the Diesel Engine Manual, which is to be considered an integral part of this  
Manual.  
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SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
WARNING!  
Carefully read all the instructions before performing any maintenance/repair procedure.  
Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by the machine  
moving parts.  
Protect body parts (eyes, hair, hands, etc.) properly, when performing cleaning procedures using  
compressed air or water gun.  
Avoid contact with battery acid, do not touch hot parts.  
Do not leave the machine unattended with the ignition key inserted and the parking brake deactivated.  
Do not remove or modify the plates affixed to the machine.  
To drive on public roads, the machine must follow local licensing requirements.  
The machine has been designed to be used as a sweeper, do not use it for different purposes.  
In case of part replacement, order ORIGINAL spare parts from an authorised Dealer or Retailer.  
The machine must be disposed of properly, because of the presence of toxic-harmful materials (batteries,  
etc.), which are subject to standards that require disposal in special centres (see the Scrapping chapter).  
While the engine is running the silencer heats up. Do not touch the silencer to avoid serious scalding or  
fire.  
Do not run the engine if the oil level is low, to avoid damaging it seriously. Check the oil level with the  
engine off and the machine on a level surface.  
Do not run the engine if the air filter is not installed, to avoid damaging it.  
The coolant line is pressurised; do not perform any check until the engine has cooled down and, even if the  
engine is cold, the tank plug must be opened with extreme care.  
Only use original spare parts or parts of matching quality for the diesel engine. Using spare parts of lower  
quality can seriously damage the engine.  
See also the SAFETY RULES in the Diesel Engine Manual, which is to be considered an integral part of this  
Manual.  
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ENGLISH  
SERVICE MANUAL  
GENERAL INFORMATION  
TECHNICAL DATA  
Dimensions and weights  
Values  
Machine length (broom bristles not included)  
Machine width (broom bristles not included)  
Distance between front and rear wheels  
Front wheel base  
3,065 mm  
1,315 mm  
1,475 mm  
930 mm  
Rear wheel base  
840 mm  
Machine height  
1,997 mm  
90 mm  
Minimum distance from the ground (skirts not included)  
Maximum front working angle  
Maximum dumping height  
18°  
1,460 mm  
R165/70 R14C 89R  
R165/70 R14C 89R  
3.75 Bar  
Front tires  
Rear tires  
Tire pressure  
Standard side broom diameter  
Optional side broom diameter  
Total machine weight, in running condition (without operator)  
720 mm  
650 mm  
1,500 Kg  
Performance data  
Values  
Maximum forward speed (for transport only)  
20 km/h  
Maximum working speed  
12 km/h  
Maximum reverse speed  
8 km/h  
Gradeability at full load  
22% (30% optional)  
2.46 m  
Minimum inner turning radius  
Maximum side broom speed  
80 rpm  
Collection system  
Suction  
Cleaning width  
1,600 mm  
Metallic net  
82 dB(A)  
Filtering system  
Sound pressure level at workstation (ISO/EN 3744) at maximum working speed  
Certified sound power (2000/14/EC) at maximum working speed  
108 dB(A)  
106 dB(A)  
500 liters  
Measured sound power (ISO/EN 3744) at maximum working speed  
Hopper capacity  
Hopper maximum load  
Dust control  
380 Kg  
By water  
Dust control system tank total capacity (No. 2)  
Lighting and signalling system  
Transmission  
240 liters  
Road type  
Hydrostatic servoassisted  
On the rear axle, power assisted  
Hydraulic  
Steering system  
Brake  
Parking brake  
Mechanic  
Controls  
Hydraulic  
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SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
LDW 1603/B2 diesel engine data (*)  
Make  
Values  
Lombardini  
Type  
LDW 1603/B2  
Cylinders  
3
Maximum speed  
2,600 rpm  
Maximum working speed  
Maximum power at 2,600 rpm  
Idle speed  
2,200 rpm  
25 kW  
900 rpm  
Consumption while operating at 2,200 rpm  
Consumption while operating at 2,600 rpm  
Engine coolant  
5.0 L/h  
5.9 L/h  
50% antifreeze AGIP and 50% water (**)  
AGIP Sigma Turbo 15W/40 (***)  
Engine oil type  
(*) For other diesel engine data/values, see the relevant Manual.  
(**) See the coolant technical data and reference data tables below.  
SPECIFICATIONS  
REFERENCE DATA  
CUNA NC 956-16 97  
FF.SS cat. 002/132  
ASTM D 1384  
Boiling point  
°C  
°C  
°C  
170  
110  
-38  
Boiling point in solution with 50% water  
Freezing point in solution with 50% water  
Turquoise  
blue  
Color  
/
Density at 15°C  
kg/l  
1.13  
(***) See the engine oil technical data and reference data tables below.  
SPECIFICATIONS  
REFERENCE DATA  
ACEA E3-96  
SAE QUALITY  
Viscosity at 100°C  
Viscosity at 40°C  
Viscosity at -15°C  
Viscosity index  
Flash point COC  
Pour point  
/
15W40  
13.7  
100  
mm2/s  
mm2/s  
mm2/s  
/
API Service CG-4/SG  
CCMC D5, PD-2  
3,300  
138  
US Department of the Army MIL-L-2104 E  
US Department of the Army MIL-L-46152 E  
MACK EO-L  
°C  
230  
°C  
-27  
MAN M 3275  
Density at 15°C  
kg/l  
0.885  
Mercedes Benz 228.3  
VOLVO VDS2  
MTU typ 2  
Refuelling data  
Values  
Fuel tank capacity  
30 liters  
40.6 liters  
58 liters  
Hydraulic system oil tank capacity  
Hydraulic system capacity  
Electrical system data  
System voltage  
Values  
12 V  
Starting battery  
12 V – 80 Ah  
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SERVICE MANUAL  
GENERAL INFORMATION  
Hydraulic system data  
Values  
Maximum drive system pressure  
250 Bar  
Maximum accessory system pressure  
Hydraulic system oil type (at ambient temperature above 10°C)  
120/200 Bar  
AGIP Arnica 46 (****)  
NOTE  
If the machine is to be used at ambient temperatures below 10°C, the oil should be replaced with equivalent oil having a  
viscosity of 32 cSt. For temperatures below 0°C, use oil with lower viscosity.  
(****)  
See the below hydraulic system oil technical data and reference data tables.  
TECHNICAL DATA  
AGIP ARNICA  
REFERENCE DATA  
ISO-L-HV  
46  
32  
Viscosity at 40°C  
Viscosity at 100°C  
Viscosity index  
Flash point COC  
Pour point  
mm2/s  
mm2/s  
/
45  
32  
ISO 11158  
7.97  
150  
215  
-36  
0.87  
6.40  
157  
202  
-36  
AFNOR NF E 48603 HV  
AISE 127  
°C  
ATOS Tab. P 002-0/I  
BS 4231 HSE  
°C  
Density at 15°C  
kg/l  
0.865  
CETOP RP 91 H HV  
COMMERCIAL HYDRAULICS  
Danieli Standard 0.000.001 (AGIP ARNICA  
22, 46, 68)  
EATON VICKERS I-286-S3  
EATON VICKERS M-2950  
DIN 51524 t.3 HVLP  
LAMB LANDIS-CINCINNATI P68, P69 and  
P70  
LINDE  
PARKER HANNIFIN (DENISON) HF-0  
REXROTH RE 90220-1/11.02  
SAUER-DANFOSS 520L0463  
ENVIRONMENTAL CONDITIONS  
In the environment where the machine operates, there must not be any danger of explosion.  
To avoid inhaling exhaust gas, the machine must be used only where there is a proper air change.  
The machine operates correctly (*) in the following environmental conditions:  
Temperature: -10°C to +40°C  
Humidity: 30% to 95%, not condensed  
Store the machine indoor, in a clean and dry place, protected from bad weather conditions and with the following values:  
Temperature: +1°C to +50°C  
Humidity: maximum 95%, not condensed  
(*) When using the sweeper at a temperature between -10°C and 0°C the dust control system cannot be used; moreover the  
water tanks and the dust control system itself must be empty.  
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SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
MAINTENANCE  
The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance.  
WARNING!  
See GENERAL INFORMATION and SAFETY paragraphs.  
The following table provides the scheduled maintenance. The intervals shown may vary according to particular working conditions,  
which are to be defined by the person in charge of the maintenance.  
The instructions relating to the maintenance procedures given in the following table are described in the next paragraphs.  
SCHEDULED MAINTENANCE TABLE  
Running-in  
period (after the  
first 50 hours)  
Every 10  
hours or  
before use  
Every  
200  
hours  
Every  
600  
hours  
Every  
1,200  
hours  
Every  
2,400  
hours  
Long  
periods  
Maintenance  
Engine oil level check  
Engine air filter cleaning  
Engine radiator fin cleaning check  
Engine coolant level check  
Battery fluid level check  
Hydraulic system oil level and drain filter efficiency  
check  
Hydraulic system oil cooler fin check and cleaning  
Hopper, filter and suction hose cleaning, and  
gasket check  
Dust control system nozzle and filter cleaning  
Brake fluid level check  
Reverse gear buzzer operation check  
Diesel engine start-up safety system check  
Tire pressure check  
Suction inlet and skirt height and operation check  
Side broom position check and adjustment  
Engine oil change  
(7)(8)  
(7)  
Dust control system water filter cleaning  
Parking brake check  
Alternator belt tension check  
Climate control system compressor belt tension  
check  
Diesel engine oil filter replacement  
Fuel filter replacement  
(7)(8)  
(7)  
Nut and screw tightening and leakage check  
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ENGLISH  
SERVICE MANUAL  
GENERAL INFORMATION  
Running-in  
period (after the  
first 50 hours)  
Every 10  
hours or  
before use  
Every  
200  
hours  
Every  
600  
hours  
Every  
1,200  
hours  
Every  
2,400  
hours  
Long  
periods  
Maintenance  
Lubrication  
Engine coolant line sleeve check  
Drive system pump oil filter check  
Hydraulic system oil drain filter replacement  
Hydraulic system oil suction filter replacement  
Alternator belt replacement  
Cab air filter replacement  
(7)  
(3)  
(1)  
Injector calibration and cleaning  
Climate control system belt replacement  
Engine coolant change  
(2) (3)  
(3)  
(3)  
Hydraulic system oil change  
Brake system check  
Hydraulic system pump pressure check  
Minor engine overhaul  
(2) (4)  
(2) (5)  
Major engine overhaul  
(1) Or every 6 months  
(2) Maintenance to be performed by Lombardini authorised Service Center  
(3) Or every two years  
(4) After 5,000 hours  
(5) After 10,000 hours  
(7) Every year, if the machine is not frequently used  
(8) If a lower-quality oil is used, change it every 125 hours  
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SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
MACHINE NOMENCLATURE  
Throughout this Manual you will find numbers in brackets, for example: (2). These numbers refer to the components indicated in  
these two nomenclature pages. Refer to these pages whenever it will be necessary to identify a component mentioned in the text.  
1. Cab  
61. Driver’s seat safety belt (*)  
2. Left door  
62. Hopper lifting/lowering lever  
63. Suction activation lever  
3. Hopper  
4. Diesel engine  
64. Cab heater control knob  
5. Suction fan  
65. Diesel engine throttle lever  
6. Flashing light  
66. Parking brake lever  
7. Dust control system left tank  
8. Front fixed wheels  
9. Rear steering wheels  
10. Right side broom  
11. Left broom  
67. Broom dust control system nozzle valve  
68. Suction inlet dust control system nozzle valve  
69. Skirt lifting switch  
70. Lifted hopper warning light (red)  
71. Hazard warning light switch  
72. Dust control system switch  
12. Suction inlet  
13. Right door  
14. Meter and control panel  
15. Rear axle  
73. Cab blower switch  
74. Windscreen wiper/washer switch  
75. Climate control system switch (*)  
76. Ignition key  
16. Dust control system right tank  
17. Rear suction pipe (*)  
18. Left lid  
77. Dust control system water tank warning light (red)  
78. Warning buzzer (it activates together with the warning  
lights 87, 91, 93, 94)  
19. Left lid fasteners  
20. Right lid  
79. Fuse box B  
80. Fuse box A  
21. Right lid fasteners  
22. Cab right panel  
81. Indicators and warning lights  
82. Optional indicator light  
23. Cab left panel  
24. Right door handle  
25. Left door handle  
83. Optional indicator light  
84. Engine coolant temperature  
85. High beam indicator light  
26. Hopper lid  
27. Open lid support rod  
28. Lifted hopper locking pins  
29. Lifted hopper locking pins housing  
30. Lifted hopper locking pins holes  
31. Suction filter  
86. Running light indicator light  
87. Charged battery indicator light (together with the indicator  
light a buzzer activates with intermittent sound)  
88. Parking brake indicator light (together with the indicator  
light a buzzer activates with continuous sound)  
89. Glow plug pre-heating warning light  
90. Hour counter/revolution counter display:  
32. Drain filter  
33. Hydraulic system oil tank  
34. Battery  
35. Hydraulic system oil cooler  
36. Suction inlet-to-hopper pipe  
37. Fuel tank  
38. Hopper manual lifting hand pump (to be used in case of  
engine malfunction)  
39. Hydraulic system oil drain filter  
40. Hopper lifting device  
41. Dust control system left tank  
42. Left tank mounting screw  
43. Dust control system right tank  
44. Right tank mounting screw  
45. Front towing hook  
46. Engine air filter  
It displays the hours, when the ignition key (76) is  
turned on the first position, before running the engine;  
It displays the engine speed, when the engine is  
running and the charged battery warning light is off.  
91. Low fuel warning light (a buzzer activates together with the  
warning light)  
92. Optional indicator light  
93. Engine coolant high temperature warning light (a buzzer  
activates together with the warning light)  
94. Engine oil pressure warning light (a buzzer activates  
together with the warning light)  
95. Turn signal indicator light  
96. Hopper lid opening/closing switch  
97. Rear bumper  
47. Fuel tank filler neck  
48. Hopper support rods  
49. Left water tank filler plug  
50. Right water tank filler plug  
51. Brake fluid tank  
98. Diesel engine serial number/technical data plate (another  
plate showing the same data as the plate affixed on the  
diesel engine)(*)  
99. High-pressure washing system hose with reel (*)  
100. High-pressure water quick coupling (*)  
101. Breather filter hood fasteners  
102. Rear suction pipe fastener  
52. Windscreen wiper fluid tank  
53. Windscreen wiper motor  
54. Combination switch  
55. Steering wheel adjusting lever  
56. Drive pedal  
103. Front skirt  
104. Machine serial number  
105. Hopper (dumping position)  
57. Brake pedal  
106. Suction hose gasket  
58. Steering wheel  
59. Driver’s seat  
60. Suction inlet and brooms control lever  
RS 501  
33015500(3)2008-02  
11  
 
ENGLISH  
SERVICE MANUAL  
GENERAL INFORMATION  
107. Hopper manual lifting hand pump lever  
108. High-pressure water gun  
118. Hopper lid suction sealing gasket  
119. Document holder  
109. Serial number plate/technical data/certification marking  
110. Right water tank drain plug  
120. Hopper lifting/lowering lever safety flange  
121. Suction inlet and broom lifting/lowering lever safety flange  
122. Driver’s seat forward/backward adjustment lever  
123. Ashtray  
111. Left water tank drain plug  
112. High-pressure washing system pressure gauge  
113. Breather filter hood  
124. High-pressure water gun sprinkler nozzle  
125. Cigarette lighter  
114. Hydraulic system oil filler plug  
115. Hydraulic system pressure intake (on drive system pump)  
116. Hydraulic system pressure intake (at suction fan pump)  
117. Hydraulic system pressure intake (at accessory and  
steering system pump)  
126. Can holder  
127. Broom speed adjuster (***)  
128. Hydraulic system oil level indicator  
(*) Optional for some countries.  
12  
33015500(3)2008-02  
RS 501  
 
SERVICE MANUAL  
ENGLISH  
GENERAL INFORMATION  
MACHINE NOMENCLATURE (Continues)  
1
18  
14  
99  
100  
45  
104  
12  
112  
19  
103  
25  
10  
111  
7
8
2
11  
113  
101  
3
20  
6
13  
115  
17  
102  
24  
21  
26  
98  
9
8
97  
16  
15  
4
110  
9
S301479  
RS 501  
33015500(3)2008-02  
13