Nilfisk-ALTO 9084404010 Service Manual Download Page 31

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Control System

Service Manual – Floortec R 870

Wiring Diagram (Floortec R 870 Battery)

DISPLAY

ELECTRONIC

BOARD FUSE (F3)

POSITIVE SIGNAL

(FROM MACHINE ON “K4”)

BATTERY NEGATIVE TERMINAL

FILTER SHAKER/

VACUUM SYSTEM

SWITCH (SW3)

HORN (HN)

HORN SWITCH (SW6)

J1.9 - Electronic board power supply -

J1.18 - Machine moving signal

J1.7 - Drive system electronic board diagnostic signal

J1.8 - Lifted hopper signal

J1.10 - Broom electromagnetic switch power supply

J1.2 - Broom activation lever signal

J1.5 - Broom fuse voltage drop reading -

J1.4 - Broom fuse voltage drop r

J2.1 - Control panel switch power supply (+)

J2.3 - Filter-shaker activation signal

J1.17 - Water pump activation signal

CONTROL PANEL ELECTRONIC BOARD (EB2)

J2.2 - Vacuum system activation signal

J2.4 - Control panel switch power supply (-)

J1.15 - Fire alarm signal

J1.13 - Key return

J1.12 - Filter-shaker relay power supply

J1.11 - Vacuum system relay power supply

J1.14 - Electronic board configurator return

J1.1 - Electronic board power

REVERSE GEAR

BUZZER (BZ1)

HOPPER

TEMPERATURE

SENSOR (S4)

VACUUM SYSTEM

RELAY (K1)

FILTER SHAKER

RELAY (K2)

HOPPER LIFTING

RELAY (K3A)

HOPPER LOWERING

RELAY (K3B)

SIDE BROOM

RELAY (K5)

DUSTGUARD™

PUMP RELAY (K6)

DUSTGUARD™

SWITCH (SW8)

MAIN BROOM

ELECTROMAGNETIC

SWITCH (ES1)

HOPPER LIFTING

SENSOR (S1)

MAIN BROOM

LEVER SENSOR (S2)

SIDE BROOM

LEVER SENSOR (S3)

HOPPER LIFTING/LOWERING

SWITCH (SW5)

HOPPER ENABLING

SWITCH (SW4)

B
C

P200094A

Summary of Contents for 9084404010

Page 1: ...FLOORTEC R 870 2013 04 Form No 1464826000 Service Manual Floortec R 870 Battery 9084404010 Floortec R 870 Petrol 9084405010 Floortec R 870 LPG 9084406010 English...

Page 2: ...chnical Data 21 Dimensions 24 Maintenance 25 Scheduled Maintenance Table Floortec R 870 Battery 25 Scheduled Maintenance Table Floortec R 870 Petrol LPG 26 Chassis System 27 Chassis main parts 27 Cont...

Page 3: ...ram 90 Component Locations 91 Maintenance and Adjustments 92 Troubleshooting 99 Removal and Installation 100 Specifications 103 Engine System LPG 104 Functional Description 104 Wiring Diagram 104 Comp...

Page 4: ...89 Troubleshooting 190 Removal and Installation 191 Specifications 199 Wheel System Non Traction 200 Component Locations 200 Wheel System Traction 202 Functional Description 202 Component Locations 20...

Page 5: ...d repairs on the Floortec R 870 to guarantee the best cleaning performance and a long working life for the machine Please read this manual carefully before performing any maintenance and repair proced...

Page 6: ...parts and accessories Contact Nilfisk Retailer indicated below for service or to order spare parts and accessories specifying the ma chine model and serial number Apply Retailer label here Serial Numb...

Page 7: ...cations WARNING Parts under voltage Presence of corrosive fluids Symbols Danger It indicates a dangerous situation with risk of death for the operator Warning It indicates a potential risk of injury f...

Page 8: ...and with the help of an assistant For Floortec R 870 Petrol LPG 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...

Page 9: ...caught by the machine moving parts To avoid any unauthorized use of the machine remove the ignition key Do not leave the machine unattended without being sure that it cannot move independently Do not...

Page 10: ...by an authorised Ser vice Center For WET batteries only When lead batteries WET are installed on this machine do not tilt the machine more than 30 from its horizontal position to prevent the highly c...

Page 11: ...towards the floor only from preventing possible inhaling Do not store the machine outdoors or near sources of heat Do not over fill the tank Fill the tank sufficiently so that it can be emptied by us...

Page 12: ...al Service brake pedal Parking brake lever Front skirt lifting pedal Hopper release and discharge lever Left door Right side broom Left side broom Side broom guards Battery compartment hood Can holder...

Page 13: ...ta conformity certification Drive pedal Rear hood with vacuum system Hopper Right door Main broom Rear wheels Dust filter container Panel filter with filter shaker Anchoring slots for transport not fo...

Page 14: ...batteries WET or optional gel batteries GEL Battery caps for WET batteries only Battery connection diagram Battery connector Right side broom motor circuit breaker Left side broom motor circuit break...

Page 15: ...abling switch Horn switch Forward reverse gear switch Display Button Working hours Battery voltage V Charged battery warning light green Semi discharged battery warning light yellow Discharged battery...

Page 16: ...rvice brake pedal Parking brake lever Front skirt lifting pedal Hopper release and discharge lever Left door Right side broom Left side broom Side broom guards Engine compartment hood Can holder Rear...

Page 17: ...echnical data conformity certification Drive pedal Rear hood with vacuum system Hopper Right door Main broom Rear wheels Dust filter container Panel filter with filter shaker Anchoring slots for trans...

Page 18: ...uit breaker Left side broom motor circuit breaker Fuseholder box Electrical component box Drive system electronic board Hopper hydraulic lifting system control unit Open hood safety rod Vacuum system...

Page 19: ...lter shaker vacuum system switch Hopper movement enabling switch Horn switch Forward reverse gear switch Display Button Working hours Battery voltage V Vacuum system warning light green Dust guard sys...

Page 20: ...if possible Internet con nection Digital Volt Meter DVM Amp clamp with possibility of making DC measurements Hydrometer Battery charge tester to check 12V batteries Static control wrist strap Dynamome...

Page 21: ...US gal 7 8 litres LPG Tank capacity 33 lb 15 Kg Main broom motor power 0 8 hp 600 W speed 550 rpm Side broom motor power 0 12 hp 90 W speed 110 rpm Vacuum motor power 0 35 hp 260 W Drive type Electri...

Page 22: ...e right left 75 6 74 4 in 1 920 1 890 mm Vibration level at the operator s arms ISO 5349 1 98 in s2 2 5 m s2 Vibration level at the operator s body ISO 2631 1 19 6 in s2 0 5 m s2 35 4 in s2 0 9 m s2 W...

Page 23: ...oil having a viscosity of 32 cSt For temperatures below 0 C use an oil with lower viscosity Hydraulic oil technical data AGIP ARNICA 46 32 Viscosity at 104 F 40 C in2 s mm2 s 0 07 45 0 05 32 Viscosity...

Page 24: ...General Information 24 Service Manual Floortec R 870 Dimensions 1330 mm 52 4 in 1065 mm 42 in 1640 mm 64 6 in P200092...

Page 25: ...e brake cable adjustment 3 Hopper dust filter check and cleaning A method 4 Hopper hydraulic lifting system oil level check 2 Skirt height and operation check Dust guard system water filter check and...

Page 26: ...system operation check 2 Engine filter trap cleaning Engine baffle plate cleaning Fuel filter cleaning 7 Brake pad check adjustment replacement 3 Hopper dust filter check and cleaning C method 4 Main...

Page 27: ...ering assembly and side brooms 2 Center side supporting batteries engine with dynamotor and main broom 3 Rear side supporting the hopper and rear wheels on hubs 4 Central holder for separating wall be...

Page 28: ...by the switches located on the main dashboard on the steering column and on the secondary dashboard beside the driver s seat and by the 2 broom levers For functions not requiring an electronic managem...

Page 29: ...ATTERY VOLTAGE DISPLAY by pressing the push button B with the machine running the display will switch from the 3 digit hour counter A to the battery voltage The display will automatically return to th...

Page 30: ...RE FOR BATTERY SETTING WET GEL Hold the push button B down while you turn the key on and hold it for 5 sec The 3 LEDs will then show again the current setting with the continuous flashing of the corre...

Page 31: ...ilter shaker activation signal J1 17 Water pump activation signal CONTROL PANEL ELECTRONIC BOARD EB2 J2 2 Vacuum system activation signal J2 4 Control panel switch power supply J1 15 Fire alarm signal...

Page 32: ...SH BUTTON SW0 IGNITION KEY SW1 MACHINE ON RELAY K4 MACHINE ON RELAY K4 DRIVE SYSTEM ELECTRONIC BOARD EB1 J2 7 Machine moving signal J2 10 Diagnostic warning light output J2 15 Key input POSITIVE SIGNA...

Page 33: ...aker activation signal J1 17 Water pump activation signal CONTROL PANEL ELECTRONIC BOARD EB2 J2 2 Vacuum system activation signal J2 4 Control panel switch power supply J1 15 Fire alarm signal J1 13 K...

Page 34: ...2 15 Key input POSITIVE SIGNAL FROM MACHINE ON K4 BATTERY NEGATIVE TERMINAL WORKING LIGHT L1 WORKING LIGHT L2 WORKING LIGHT SWITCH SW9 KEY CIRCUIT FUSE F4 IGNITION KEY SW1 EMERGENCY PUSH BUTTON SW0 MA...

Page 35: ...Control System 35 Service Manual Floortec R 870 Component Locations Dashboard Dashboard electronic board EB2 Ignition key SW1 Dashboard electronic board EB2 Dashboard Ignition key SW1 P200096...

Page 36: ...se the emergency push button For Floortec R 870 Petrol LPG L O U A Low Voltage display indication Battery voltage lower than 24 0 V Decrease the main broom pressure on the floor L O U A Low Voltage di...

Page 37: ...R 870 Dashboard Electronic Board Alarm Codes The drive system warning light A on the dashboard electronic board EB2 shows the error codes of the drive system electronic board EB1 For the details see...

Page 38: ...onic board diagnostic signal in 24V 1A EB1 J2 10 8 Lifted hopper signal in 24V when the description is ON 1A S1 9 Electronic board power supply in 0V when the description is OFF 3A B 10 Broom electrom...

Page 39: ...s is displayed by means of 3 LEDs A Green B Yellow C Red up to the battery type installed WET GEL as shown below Threshold values Threshold values of change status V toll 0 1 WET GEL 1 LED A Green fix...

Page 40: ...are not matched for more than 5 consecutive minutes the following conditions Shown on display Battery conditions Solution Alternative actions in case the solution does not solve the problem L O U V 2...

Page 41: ...escription Electronic board in out V ref I max Connected to 1 Dashboard switch power supply out 24V 1A SW3 SW8 2 Vacuum system activation signal in 24V when the description is ON 1A SW3 1 3 Filter sha...

Page 42: ...g screws A of the fairing B from the steering column 5 Slightly lift the steering column B by disengaging it from the lower fastener C 6 Disconnect the dust guard system quick coupling D 7 Retrieve th...

Page 43: ...the relay K2 and protected by the fuse F2 The relay K2 is directly controlled by the dashboard electronic board EB2 according to the information re ceived by the vacuum system filter shaker switch SW3...

Page 44: ...or M2 Panel filter Vacuum system motor fuse 25 A Battery 30 A Petrol LPG F1 Filter shaker motor fuse 25 A Battery 30 A Petrol LPG F2 Filter shaker motor M2 Vacuum system motor fuse 25 A Battery 30 A P...

Page 45: ...Do not puncture the filter Clean the filter in a well ventilated area Wear appropriate dust mask to avoid breathing in dust 1 Drive the machine on a level floor engage the parking brake and turn the...

Page 46: ...imum pressure 6 Bar into the clean side of the filter in the opposite direction of the airflow Method C Vacuum loose dust from the filter Then soak the filter in warm water for 15 minutes then rinse i...

Page 47: ...sket is damaged Repair replace No vacuuming The fuse F1 is open Replace the fuse The switch SW3 is not efficient Replace The relay K1 is not efficient Replace The vacuum system is broken Repair replac...

Page 48: ...the parking brake and turn the ignition key to 0 2 Open the battery engine compartment hood with the handle and fasten it with the support rod 3 Disconnect the battery connector Floortec R 870 Battery...

Page 49: ...the filter shaker assembly F by sliding it forward disengaging it by the knobs D and then by the knobs E 8 At the workbench remove the nuts G and remove the fastening clamps H of the filter shaker mo...

Page 50: ...ch then turn on the vacuum system and check that the electric fan motor amperage is within 7 and 9 A at 24 V Stop the vacuum system Turn the ignition key to 0 Remove the amp clamps A If the amperage i...

Page 51: ...turn the ignition key to 0 2 Open the battery engine compartment hood with the handle and fasten it with the support rod 3 Disconnect the battery connector Floortec R 870 Battery Disconnect the batte...

Page 52: ...rew the bulkhead cap F 8 Remove the external screws G and remove the electric fan assembly H with its wiring harness E 9 If necessary remove the electric vacuum fan I from the assembly H as shown belo...

Page 53: ...tem Values Floortec R 870 Battery Floortec R 870 Petrol Floortec R 870 LPG Vacuum system motor 0 35 hp 260 W 3 000 rpm Filter shaker motor 0 12 hp 90 W 6 000 rpm BIA C polyester dust filter 75 ft2 7 m...

Page 54: ...light A which signals the function activation on the dashboard electronic board EB2 By turning on the switch in the panel besides the operator the pump which is under the machine bed collects water f...

Page 55: ...ations Dust guard system switch SW8 Water tank Tank filler Water pump M8 Water filter Spraying nozzle Dust guard system fuse 5 A F5 Tank filler Water tank Water pump M8 Water filter Dust guard system...

Page 56: ...machine on a level floor 2 Turn the ignition key to 0 and engage the parking brake 3 Operating in the area A of the machine reach the water filter assembly B of the dust guard system 4 Unscrew and re...

Page 57: ...ngage the parking brake 3 On the front side of the side brooms remove the ring nuts A bayonet joint 4 Remove and clean the nozzles B the gaskets D and the filters C with compressed air Remove any calc...

Page 58: ...lues Little water comes out from the spray nozzles The filter and or nozzle is clogged Clean replace The water filter is clogged Clean replace The pump is not working Repair replace No water to the no...

Page 59: ...e handle and fasten it with the support rod Disconnect the battery connector Floortec R 870 Battery Disconnect the batteries Floortec R 870 Petrol LPG 4 Lift and disassemble the right side bulkhead 5...

Page 60: ...of the water pump D disconnect the filter assembly input hose E 7 Disconnect the connector F of the water pump D 8 Remove the holder assembly with pump and filter G 9 If necessary at the workbench uns...

Page 61: ...ice Manual Floortec R 870 Specifications Dust Guard System Values Floortec R 870 Battery Floortec R 870 Petrol Floortec R 870 LPG Water tank capacity 5 3 US gal 20 liters Pump 3A 24V 1 5 gpm US 49 psi...

Page 62: ...ttery charger is not installed the connector C2 is closed by a jump connection The connector contacts C2 are upstream of the ignition key SW1 and cut off the power supply to all control section of the...

Page 63: ...Not resettable 150 GENERAL 150 GENERAL FA Not resettable 50 MAIN BROOM 50 MAIN BROOM FC Not resettable 80 BATTERY DYNAMOTOR RECHARGE FR1 Resettable 15 RIGHT SIDE BROOM 15 RIGHT SIDE BROOM FR2 Resetta...

Page 64: ...40A HOPPER LOWERING RELAY K4 30 40A MACHINE ON RELAY 30 40A MACHINE ON RELAY K5 30 40A SIDE BROOM RELAY 30 40A SIDE BROOM RELAY K6 30 40A DUSTGUARD PUMP RELAY 30 40A DUSTGUARD PUMP RELAY KT1 5A LPG S...

Page 65: ...ERY CHARGER CH WITHOUT ON BOARD BATTERY CHARGER 24V BATTERY BAT POSITIVE SIGNAL FROM MACHINE ON K4 BATTERY NEGATIVE TERMINAL CONNECTOR C1 CONNECTOR C1 MAIN FUSE F0 KEY CIRCUIT FUSE F4 EMERGENCY PUSH B...

Page 66: ...NEGATIVE TERMINAL KEY CIRCUIT FUSE F4 IGNITION KEY SW1 EMERGENCY PUSH BUTTON SW0 MACHINE ON RELAY K4 LPG SAFETY TIMER RELAY KT1 DIODE D3 LPG SAFETY SOLENOID VALVE EV1 CHARGE FUSE FC ENGINE START ELEC...

Page 67: ...ry Emergency push button SW0 Battery charger CH Flashing light BE Batteries BAT Wiring harnesses Electrical component box Battery connector C1 Battery charger CH Flashing light BE Battery connector C1...

Page 68: ...FA Main fuse 150 A F0 Right side broom motor fuse 15 A FR1 Left side broom motor fuse 15 A FR2 Floortec R 870 P LPG Battery charge fuse 80 A FC 8 way fuse holder Floortec R 870 P LPG Battery charge f...

Page 69: ...F2 Vacuum system motor fuse 25 A Battery 30 A Petrol LPG F1 SW4000 Battery SW4000 Petrol LPG Hopper lifting fuse 25 A F6 Hopper lifting fuse 30 A F6 Filter shaker motor fuse 25 A F2 Filter shaker moto...

Page 70: ...deactivated Battery Type Display WET or GEL AGM Floortec R 870 Battery Each time the machine is turned on with the ignition key the 3 battery charge LED indicators show the bat tery type as follows B...

Page 71: ...e machine If the batteries are larger than the container use the square guides supplied with the machine to ensure the stability inside the battery compartment Warning Non sealed WET batteries always...

Page 72: ...d by holding it for about 5 until the warning light corresponding to the current setting flashes Red warning light H WET batteries Green warning light I GEL AGM batteries 11 Release and press again th...

Page 73: ...compartment hood A with the handle B and fasten it with the support rod C 4 Disconnect the battery connector D 5 Disconnect the battery wiring harnesses E 6 Remove any square guide or bracket fastenin...

Page 74: ...he engine compartment hood with the handle and fasten it with the support rod 4 Check the voltage at the battery pins 5 With the accessories turned off and the engine running the voltage must be betwe...

Page 75: ...lay electronic board fuse 3 A E F4 main fuse key circuit 10 A F F5 dust guard system fuse 5 A G F6 hopper lifting fuse 25 A 12 Reinstall the fuse box cover A 13 Remove the screws H then remove the ele...

Page 76: ...board fuse 3 A E F4 main fuse key circuit 10 A F F5 dust guard system fuse 5 A G F6 hopper lifting fuse 30 A 6 Reinstall the fuse box cover A 7 Remove the screws H then remove the electrical componen...

Page 77: ...e not efficient Charge the batteries or clean repair the connections The batteries are broken Check the battery no load voltage Floortec R 870 Battery The battery charger is broken Replace Floortec R...

Page 78: ...od Disconnect the battery connector 4 Remove the screws A and the battery charger connector B 5 Remove the screws C on the rear side of the bulkhead then remove the battery charger protection D 6 Remo...

Page 79: ...e engine compartment hood with the handle and fasten it with the support rod Disconnect the batteries 4 Remove the machine right side bulkhead by lifting it to disengage it from the fasteners 5 Remove...

Page 80: ...rushes H from their housings by disengaging them from the retaining springs I 10 Check the four carbon brushes H for wear The carbon brushes are worn when The contact with the motor armature is insuff...

Page 81: ...the procedure Dynamotor Carbon Brushes Check Replacement 3 Hold the crankshaft by operating the outer pulley in the area B loosen the lock nut A until it is flush with the end of the shaft 4 Remove th...

Page 82: ...ow K in this condition give a firm blow on the nut A in the direction of the arrow L with a plastic mallet thereby disengaging the conical connection of union between dynamotor and the engine 8 Loosen...

Page 83: ...ROOM RESET FUSE FR2 DUSTGUARD PUMP FUSE F5 HOPPER PUMP FUSE F6 DUSTGUARD PUMP RELAY K6 VACUUM SYSTEM RELAY K1 VACUUM SYSTEM MOTOR FILTER SHAKER MOTOR HOPPER PUMP MOTOR RIGHT SIDE BROOM MOTOR LEFT SIDE...

Page 84: ...UUM SYSTEM RELAY K1 FILTER SHAKER RELAY K2 HOPPER LIFTING RELAY K3A HOPPER LOWERING RELAY K3B SIDE BROOM RELAY K5 DUSTGUARD PUMP RELAY K6 HORN SWITCH SW6 DUSTGUARD SWITCH SW8 MAIN BROOM ELECTROMAGNETI...

Page 85: ...RMINAL CONNECTOR C1 CONNECTOR C1 MAIN FUSE F0 FLASHING LIGHT BE LINE ELECTR SWITCH ES0 LINE ELECTROMAGNETIC SWITCH ES0 KEY CIRCUIT FUSE F4 EMERGENCY PUSH BUTTON SW0 IGNITION KEY SW1 DRIVER S SEAT SAFE...

Page 86: ...ET FUSE FR2 DUSTGUARD PUMP FUSE F5 HOPPER PUMP FUSE F6 DUSTGUARD PUMP RELAY K6 VACUUM SYSTEM RELAY K1 VACUUM SYSTEM MOTOR DYNAMOTOR M5 ENGINE ON RELAY K4 FILTER SHAKER MOTOR HOPPER PUMP MOTOR RIGHT SI...

Page 87: ...CUUM SYSTEM RELAY K1 FILTER SHAKER RELAY K2 SIDE BROOM RELAY K5 DUSTGUARD PUMP RELAY K6 HORN SWITCH SW6 DUSTGUARD SWITCH SW8 MAIN BROOM ELECTROMAGNETIC SWITCH ES1 HOPPER LIFTING SENSOR S1 MAIN BROOM L...

Page 88: ...E F4 IGNITION KEY SW1 EMERGENCY PUSH BUTTON SW0 DRIVER S SEAT SAFETY MICROSWITCH SW7 WORKING LIGHT L1 WORKING LIGHT L2 DRIVING WHEEL ACCELERATOR PEDAL R1 MACHINE ON RELAY K4 LPG SAFETY TIMER RELAY KT1...

Page 89: ...6V x 255A FF 06 255 WET Battery pack 5 4 x 6V x 180A GEL AGM DF 06V 180A Size length x width x height 16 6 x 24 8 x 5 9 in 420 x 630 x 150 mm Battery compartment maximum size width x length x height...

Page 90: ...e electrical system The fuel tank is fastened outside the engine in the rear side of the machine The tank has a fuel level in dicator with float and a valve with integrated filter The choke lever on t...

Page 91: ...R 870 Component Locations Petrol engine Filler neck Fuel tank Fuel opening closing valve Reserve sensor S5 Diode S1 Oil Alert Sensor Fuel tank Diode S1 Filler neck Petrol engine Reserve sensor S5 Fuel...

Page 92: ...ck the engine speed use the indicator A fastened to the engine pulley with a rev counter light B which can be seen from the front outer side of the engine compartment 2 Alternatively use a rev counter...

Page 93: ...e filters clean them as shown below Paper filter E Hit the filter several times against a hard surface to remove the dust or blow compressed air no more than 207 kPa 2 1 kgf cm from inside the filter...

Page 94: ...rn the ignition key to 0 3 Open the engine compartment hood with the handle and fasten it with the support rod 4 Lift and disassemble the right side bulkhead 5 Remove the oil filler plug dipstick A an...

Page 95: ...rod 4 Lift and disassemble the right side bulkhead 5 Remove the oil filler plug dipstick A Place the hose E in a position that eases the oil drain then remove the plug F 6 Drain all the engine oil thr...

Page 96: ...g brake 2 Turn the ignition key to 0 3 Open the engine compartment hood with the handle and fasten it with the support rod 4 Lift and disassemble the right side bulkhead 5 Move the fuel lever A to OFF...

Page 97: ...or if the electrode is worn 8 Measure the distance between the spark plug electrodes with a feeler gauge Correct the distance by bending carefully the side electrode C The distance between the electro...

Page 98: ...right side bulkhead 5 Remove the screws A and carefully remove silencer guard B 6 Remove the screws C and remove the exhaust manifold D 7 Remove the screws E and carefully remove silencer guard F 8 R...

Page 99: ...lace The batteries are discharged Recharge with a proper battery charger The emergency push button has been pressed Check and release the emergency push button The engine loses power or stops during o...

Page 100: ...compartment hood with the handle and fasten it with the support rod Disconnect the batteries 4 Remove the machine right side bulkhead A by lifting it to disengage it from the fasteners 5 Close the fue...

Page 101: ...L of the engine holder M 12 Remove the fastening screws and then remove the case N 13 Disengage the engine oil drain hose P from the fastening clamps Q 14 Place a proper and safe lifting belt R trans...

Page 102: ...paragraph 2 Remove the dynamotor unit see the procedure in Electrical System paragraph 3 Remove the screws A and separate the engine assembly B from the holder C Engine weight 24 kg approx 4 If necess...

Page 103: ...ximum output 4 8 kW 6 5 PS at 3 600 min rpm Max torque 117 lbf in 2 500 rpm min 13 2 N m 1 35 kgf m at 2 500 min rpm Engine oil quantity 0 16 gal US 0 60 liters Cooling system Forced air Starting syst...

Page 104: ...gh the filter in the solenoid valve thus reaching the pressure re ducer The IMPCO T60 A NN 2 two phase pressure reducer lowers the gas pressure which then reaches the car burettor The LPG system is pr...

Page 105: ...omponent Locations LPG tank fastening band LPG tank LPG tank fitting LPG tank opening closing valve Hose Pipe Safety valve Diode D3 LPG tank fitting LPG tank LPG tank fastening band Hose LPG tank open...

Page 106: ...nt Locations Continues LPG wiring harness Engine Hose LPG pressure regulator Hose Solenoid valve with filter EV1 Pressure valve reserve S4 LPG wiring harness Solenoid valve with filter EV1 Pressure va...

Page 107: ...k the engine speed use the indicator A fastened to the engine pulley with a rev counter light B which can be seen from the front outer side of the engine compartment 2 Alternatively use a rev counter...

Page 108: ...filters clean them as shown below Paper filter E Hit the filter several times against a hard surface to remove the dust or blow compressed air no more than 207 kPa 2 1 kgf cm from inside the filter D...

Page 109: ...n the ignition key to 0 3 Open the engine compartment hood with the handle and fasten it with the support rod 4 Lift and disassemble the right side bulkhead 5 Remove the oil filler plug dipstick A and...

Page 110: ...rod 4 Lift and disassemble the right side bulkhead 5 Remove the oil filler plug dipstick A Place the hose E in a position that eases the oil drain then remove the plug F 6 Drain all the engine oil thr...

Page 111: ...if the electrode is worn 8 Measure the distance between the spark plug electrodes with a feeler gauge Correct the distance by bending carefully the side electrode C The distance between the electrode...

Page 112: ...right side bulkhead 5 Remove the screws A and carefully remove silencer guard B 6 Remove the screws C and remove the exhaust manifold D 7 Remove the screws E and carefully remove silencer guard F 8 Re...

Page 113: ...ny maintenance or replacement procedure involving operations on the fittings or movement of LPG system components check for any LPG gas leaks as shown below 2 Turn the ignition key to 0 and engage the...

Page 114: ...Open the LPG tank valve then check for LPG gas leaks shown by gas bubble development on all LPG system fittings starting from LPG tank fitting A to the solenoid valve H 9 Turn the ignition key to the...

Page 115: ...ocedure in LPG System Emptying 2 Turn the ignition key to 0 and engage the parking brake 3 Open the engine compartment hood with the handle and fasten it with the support rod 4 Remove the machine righ...

Page 116: ...es 10 Remove the fastening screws G of the pressure regulator assembly with valves H 11 Remove the pressure regulator assembly with valves H 12 At the workbench remove the T fitting I from the fitting...

Page 117: ...soft jaws 15 Unscrew the solenoid valve fitting M 16 Remove the filter holder Q Inside the filter holder there is a cylinder with magnet R which will be cleaned and placed in the lower side of the fil...

Page 118: ...er Q and the fitting M with compressed air maximum pressure 6 Bar If necessary replace the filter T Take care in order not to damage the remaining part of the solenoid valve do not sink the coil in so...

Page 119: ...ding to the following procedure Adjustment 3 Turn the ignition key to 0 and engage the parking brake 4 Open the engine compartment hood with the handle and fasten it with the support rod 5 Remove the...

Page 120: ...ce The LPG safety relay KT1 is faulty Replace The batteries are discharged Recharge with a proper battery charger The emergency push button has been pressed Check and release the emergency push button...

Page 121: ...visor etc 1 Before operating on the LPG system for maintenance replacement of parts bleed the LPG system as shown below 2 Close the LPG tank valve 3 Start the engine and let it run until it stops beca...

Page 122: ...d periodically according to the law in force The hose B has to be of a specific length in order to comply with the safety technical data it must not be shortened for any reason Disassembly 1 Empty the...

Page 123: ...e equipped with fastening bands Assembly 8 Before tightening the fittings D clean them accurately and replace the inner gaskets 9 Before screwing down the fittings E carefully remove any remaining of...

Page 124: ...mpty the LPG system see the procedure in LPG System Emptying 2 Turn the ignition key to 0 and engage the parking brake 3 Open the engine compartment hood with the handle and fasten it with the support...

Page 125: ...h remove the fitting I from the fitting J 13 Unscrew the fitting J from the pressure regulator K 14 If necessary unscrew the fittings L and M from the pressure regulator K 15 Retrieve the pressure reg...

Page 126: ...engage the parking brake 3 Open the engine compartment hood with the handle and fasten it with the support rod 4 Remove the machine right body side by lifting it to disengage it from the fasteners 5...

Page 127: ...ty the LPG system see the procedure in LPG System Emptying 2 Turn the ignition key to 0 and engage the parking brake 3 Open the engine compartment hood with the handle and fasten it with the support r...

Page 128: ...e the pressure regulator assembly with valves H 12 At the workbench remove the T fitting I from the fitting L 13 Remove the solenoid valve J from the fitting K 14 Unscrew the fitting L from the soleno...

Page 129: ...arking brake 4 Open the engine compartment hood with the handle and fasten it with the support rod 5 Disconnect the batteries 6 Remove the machine right body side A by lifting it to disengage it from...

Page 130: ...L of the engine holder M 12 Remove the fastening screws and then remove the case N 13 Disengage the engine oil drain hose P from the fastening clamps Q 14 Place a proper and safe lifting belt R transv...

Page 131: ...aragraph 2 Remove the dynamotor unit see the procedure in Electrical System paragraph 3 Remove the screws A and separate the engine assembly B from the holder C Engine weight 24 kg approx 4 If necessa...

Page 132: ...lacement bore x stroke 12 in3 2 68 x 2 13 in 196 cm3 68 x 54 mm Maximum output 4 8 kW 6 5 PS at 3 600 min rpm Max torque 117 lbf in 2 500 rpm min 13 2 N m 1 35 kgf m at 2 500 min rpm Engine oil quanti...

Page 133: ...position sensor S1 provides its signal to the dashboard electronic board EB2 and to the drive system electronic board EB1 in order to obtain the following automat ic functions Reduction of machine max...

Page 134: ...trol panel switch power supply DISPLAY ELECTRONIC BOARD FUSE F3 HOPPER ENABLING SWITCH SW4 HOPPER PUMP FUSE F6 HOPPER PUMP MOTOR HOPPER LIFTING RELAY K3A HOPPER LOWERING RELAY K3B HOPPER LIFTING RELAY...

Page 135: ...Hopper System 135 Service Manual Floortec R 870 Hydraulic diagram UP HYDRAULIC CILINDER VALVE LOCK HIGH PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE HYDRAULIC POWER UNIT DOWN P200152...

Page 136: ...rning light Hopper movement enabling switch SW4 Hopper lifting lowering switch SW5 Closed hopper sensor S1 Hopper linkages Hopper Hopper lifting system warning light Closed hopper sensor S1 Hopper Hop...

Page 137: ...valve Hydraulic hoses Hydraulic cylinder Hydraulic control unit Hydraulic oil tank Hopper lifting fuse 25 A Battery 30 A Petrol LPG F6 Hydraulic cylinder Check valve Hydraulic hoses Hydraulic control...

Page 138: ...ht body side A by lifting it to disengage it from the fasteners 4 Check that the oil level in the hydraulic unit tank is between the minimum MIN B and maximum MAX C marks shown 5 If necessary add oil...

Page 139: ...minimum height of 350 mm The hopper does not give a signal of being closed The sensor S1 is misadjusted or broken Adjust replace The hopper does not lift The hydraulic system oil level is incorrect Ch...

Page 140: ...connector Floortec R 870 Battery Disconnect the batteries Floortec R 870 Petrol LPG 4 On the right rear upper side of the machine remove the connector B of the closed hopper sensor C from its housing...

Page 141: ...ly support it during the disassembly 5 Turn the ignition key to 0 6 On the left side of the hopper A remove the screw C and retrieve the components D 7 Turn the lever E to rest position 8 The side fla...

Page 142: ...f the flange F is performed by placing the V groove L at 6 o clock thus engaging the notch M on the tooth N of the hopper housing A 14 To adjust the hopper alignment Perform steps 2 to 5 Remove the sc...

Page 143: ...loor 3 Engage the parking brake 4 Ensure that the hopper is closed 5 On the upper area of the right hopper arm A remove the cotter pin and the pin B 6 Move the hydraulic cylinder rod C forward until i...

Page 144: ...upper part of the hopper arms as shown in the figure Hopper weight with lifting arms 16 kg 9 Remove the side screws I and remove the rotating pins J 10 With a proper hoisting system K remove the hoppe...

Page 145: ...ke 4 Open the battery engine compartment hood with the handle and fasten it with the support rod Disconnect the battery connector Floortec R 870 Battery Disconnect the batteries Floortec R 870 Petrol...

Page 146: ...hydraulic hoses H from the hydraulic unit F Retrieve the gaskets I If necessary collect the hydraulic system oil in a proper container Plug the disconnected fittings to prevent debris from entering i...

Page 147: ...ove the hydraulic control unit F Assembly 12 Assemble the components in the reverse order of disassembly and note the following After the installation of the hydraulic unit either the same unit or a n...

Page 148: ...on key to 0 and engage the parking brake 4 Open the battery engine compartment hood with the handle and fasten it with the support rod 5 Remove the machine right side bulkhead by lifting it to disenga...

Page 149: ...n force 7 Open the fastening clamps F and the hoses C 8 Unscrew the connecting fittings G of the hydraulic cylinder hoses H Collect the hydraulic system oil in a proper container 9 Retrieve the hydrau...

Page 150: ...r Plug the disconnected fittings to prevent debris from entering into the hydraulic system Warning Hydraulic system oil is highly corrosive Warning The hydraulic system oil should be disposed of prope...

Page 151: ...essure 1 595 psi 110 Bar Oil tank capacity 0 2 US gal 0 75 liters Hydraulic circuit total capacity 0 4 US gal 1 4 liters Caution If the machine is to be used at ambient temperatures below 10 C the oil...

Page 152: ...Optional and Accessories 152 Service Manual Floortec R 870 Optional and Accessories Description Illustration DUSTGUARD SYSTEM KIT See Dust Guard System chapter SAFETY BELT KIT ROOF COVER KIT...

Page 153: ...WORKING LIGHT KIT The working light kit improves visibility in dark environments The headlights are installed under the chassis in the front side of the sweeper The kit includes one switch SW9 to turn...

Page 154: ...Functional Description The steering wheel is fastened to the steering column and connected to a shaft with a cardan joint The movement is transmitted with pinion and chain to the ring gear which deter...

Page 155: ...ual Floortec R 870 Component Locations Steering wheel Steering column Cardan joint Steering shaft Steering assembly Steering chain Steering chain Steering shaft Steering wheel Steering assembly Cardan...

Page 156: ...w the nut B and remove the washer C 5 With a suitable puller remove the steering wheel D using the surface E of the steering shaft and the threaded holes F of the steering wheel or its lower edge G in...

Page 157: ...er the front wheel until the junction link A of the steering chain B becomes visible 4 Disengage the link A and remove the chain B 5 Retrieve the chain tensioner pulley C Check the operation of the ch...

Page 158: ...Steering System 158 Service Manual Floortec R 870 Steering Assembly Removal Installation 1 Refer to the procedure Driving Wheel and Steering Unit Disassembly Assembly...

Page 159: ...for mation received by sensor S2 main broom control lever position machine moving signal information that EB2 receives from EB1 lifted hopper signal battery voltage see Dashboard Electronic Board Spec...

Page 160: ...ain broom overload warning light Main broom height adjusting knob Main broom motor fuse 50A FA Front skirt lifting pedal Main broom Main broom overload warning light Front skirt lifting pedal Main bro...

Page 161: ...elt Main broom motor M4 Motor pulley Right side skirt Broom pulley Device to adjust the parallelism between the main broom and the floor Lowered main broom enabling sensor S2 Rear skirt Front skirt Dr...

Page 162: ...t to increase the print length turn the knob counter clockwise to decrease the print length lift the broom with the lever and then turn the knob clock wise Note The knob can be used both to adjust the...

Page 163: ...height of the broom left side and adjust it to the right side as follows Lift the lever E to lower the left side of the broom Lower the lever E to lift the left side of the broom When the adjustment...

Page 164: ...gloves when replacing the main broom because there can be sharp debris between the bristles Disassembly 1 Drive the machine on a level ground and engage the parking brake 2 Turn the ignition key to 0...

Page 165: ...shown in the figure During assembly ensure that the broom hexagonal mesh H fits into the relevant drive hub F 10 Install the broom compartment latch C Ensure that its fasteners I are properly fitted i...

Page 166: ...on key to 0 and engage the parking brake Side Skirt Check 4 Remove the machine left and right doors by turning the relevant fasteners 5 Check the side skirts A for integrity Replace the skirts when th...

Page 167: ...for integrity Replace the skirts when they have cuts C larger than 20 mm or cracks tears D larger than 10 mm see the procedure in Skirt Disassembly Assembly 9 Check that the front skirt F and rear ski...

Page 168: ...or to cool down then replace the fuse The electromagnetic switch ES1 is not efficient Replace The driving belt is misadjusted damaged broken Tighten replace The motor M4 is faulty Check the motor ampe...

Page 169: ...steners 4 Visually inspect the entire length of the belt A to make sure it is intact and shows no signs of cuts tears or cracks if necessary replace it Replacement 5 Loosen the screws C and D then loo...

Page 170: ...ine on a level ground that is suitable for checking the skirt height 3 Turn the ignition key to 0 and engage the parking brake Side Skirt Removal and Installation 4 Remove the machine left and right d...

Page 171: ...rt D disengage the clip E then disconnect the terminal F of the skirt lifting tie rod form the bracket G 13 Remove the six nuts H then remove the strap I from the main broom compartment 14 Remove the...

Page 172: ...ace a safety rod under the lifted hopper 21 In the hopper compartment remove the nuts P and then remove the strap Q and the skirt R 22 In the main broom compartment remove the strap S and remove the s...

Page 173: ...he right side broom 4 Place wedges A on the rear wheels of the machine 5 With a proper hoisting system applied to the machine chassis to the front wheel area B lift the machine a few centimetres in or...

Page 174: ...and properly tightened Check the motor carbon brushes see the procedure in Main Broom Motor Carbon Brush Check Re placement If necessary disassemble the motor see procedure in the next paragraph and...

Page 175: ...y 1 Remove the main broom driving belt see the procedure in Driving Belt Visual Inspection and Replacement 2 Disconnect the connector A of the main broom motor B 3 Loosen the screws C 4 Remove the mai...

Page 176: ...d remove the protection band D 5 Remove the fastening screws F of the electrical connections of the four carbon brushes G 6 Remove the four carbon brushes G from their housings by disengaging them fro...

Page 177: ...in broom motor belt see the procedure in Driving Belt Visual Inspection and Replacement 2 While keeping the pulley C locked remove the screw A and retrieve the washer B 3 Remove the pulley C and retri...

Page 178: ...ng Belt Visual Inspection and Replacement 4 While keeping the pulley A locked remove the screw B and retrieve the washers C and D 5 Remove the pulley A and retrieve the spacer E and the key F 6 Push t...

Page 179: ...the main broom 2 Lift the hopper to the end of stroke Warning Place a safety rod under the lifted hopper 3 In the hopper compartment remove the nut L while keeping the drive hub locked M 4 Retrieve th...

Page 180: ...ne on a hoisting system 2 Remove the main broom 3 With the knob A lower the main broom until the end of stroke 4 Use the lever B to lower the main broom 5 In the left front lower side of the machine u...

Page 181: ...using and moved to the position L thus the gas spring G will be extended 9 Unscrew the nut M and remove the screw N Caution Pay attention to the release of the gas springs G due to any residual tensio...

Page 182: ...he fairing B from the steering column 5 Slightly lift the steering column B by disengaging it from the lower fastener C 6 Disconnect the dust guard system quick coupling D 7 Remove the fairing B 8 If...

Page 183: ...rod M from the housing with cut N 14 Remove the pin P 15 In the left front lower side of the machine unscrew the nut Q and disconnect the grommet R of the cable S to be removed 16 Unscrew the locknut...

Page 184: ...urn the main broom lifting lowering lever to working position lowered broom 23 Remove the machine right door by turning the relevant fasteners 24 Adjust the nut locknut adjuster T to reach on the mach...

Page 185: ...ensor electrical cable C from its fasteners then disconnect the relevant connector 5 Retrieve the proximity sensor B with the electrical cable Assembly and Adjustment 6 Place the enabling sensor B and...

Page 186: ...870 Specifications Main Broom System Values Floortec R 870 Battery Floortec R 870 Petrol Floortec R 870 LPG Main broom size length x diameter 27 6 x 13 4 in 700 x 340 mm Main broom motor 0 8 hp 600 W...

Page 187: ...powered by the relay K5 and protected by the resettable fuses right FR1 and left FR2 The relay K5 is activated directly by the sensor S3 side broom control lever position only when the side broom is...

Page 188: ...M6 M7 Side broom Lowered right side broom enabling sensor S3 Left side broom motor fuse 15 A FR1 Right side broom motor fuse 15 A FR2 Lowered side broom enabling sensor S3 Broom height adjusting ring...

Page 189: ...broom height according to the following procedure 2 Engage the parking brake 3 Turn the ignition key to 0 4 Turn the fasteners and remove the left or right door 5 For the right side broom operate on...

Page 190: ...room is excessively worn Replace The side brooms do not work The sensor is misadjusted or broken Adjust replace The motor M6 or M7 is faulty Check the motor amperage replace There are ropes or debris...

Page 191: ...oom because there can be sharp debris between the bristles Disassembly 1 Drive the machine on a level ground and engage the parking brake 2 Turn the ignition key to 0 3 Lift the side broom with the le...

Page 192: ...a proper hoisting system applied to the machine chassis to the front wheel area B lift the machine a few centimetres in order to let the front wheel turn freely without touching the floor 4 Apply amp...

Page 193: ...s see the procedure in Side Broom Motor Carbon Brush Check Re placement If necessary disassemble the motor see procedure in the next paragraph and check the condition of all its components If the abov...

Page 194: ...room of the motor to be detached 2 Lower the side broom with the lever 3 Disconnect the connector A of the broom motor B 4 Remove the four screws with nut C 5 Remove the broom motor B Assembly 6 Assem...

Page 195: ...arefully remove the cap C by disengaging the carbon brushes inside the motor armature 5 Inside the cap disconnect the connections E and remove the carbon brushes with wiring harness F 6 Check the carb...

Page 196: ...bly Disassembly 1 If possible place the machine on a hoisting system 2 Remove the relevant side broom 3 Above the side broom motor remove the screw with nut A and release the grommet B of the cable C...

Page 197: ...grommet F of the cable C to be removed 6 Unscrew the locknut H and remove the cable C from the cut I 7 Retrieve the cable C Assembly 8 Assemble the components in the reverse order of disassembly and...

Page 198: ...the sensor electrical cable C from its fasteners then disconnect the relevant connector 5 Retrieve the enabling sensor B with the electrical cable Assembly and Adjustment 6 Place the enabling sensor...

Page 199: ...de Broom System Values Floortec R 870 Battery Floortec R 870 Petrol Floortec R 870 LPG Working width with one side broom 38 3 in 975 mm Working width with two side brooms 49 2 in 1 250 mm Side broom d...

Page 200: ...d and super elastic wheels are optional For both polyurethane and super elastic wheels the non marking version is available On the lower part of the chassis near the flange there are the letters S and...

Page 201: ...tem Non Traction Values Floortec R 870 Battery Floortec R 870 Petrol Floortec R 870 LPG Rear axle kerb weight 860 lb 390 Kg 672 lb 305 Kg 670 lb 304 Kg Rear wheel specific pressure on the floor 102 ps...

Page 202: ...the forward reverse gear switch SW2 Other inputs of the electronic board EB1 are the driver s seat microswitch SW7 and the lifted hopper sen sor S1 signal The drive system is inhibited when the micro...

Page 203: ...agnetic switch output J2 12 Driver s seat microswitch input J2 5 Not used must be shorted to BAT J2 14 Auxiliary power supply for switches J2 13 Reverse gear button input J2 1 Potentiometer positive p...

Page 204: ...W2 Drive system malfunction warning light Driver s seat safety microswitch SW7 Service brake pedal Parking brake lever Drive pedal R1 Drive system malfunction warning light Service brake pedal Parking...

Page 205: ...870 Component Locations Continues Driving wheel M0 Disc brake Drive system electronic board EB1 Main fuse 150 A F0 Reverse gear buzzer BZ1 Driving wheel M0 Drive system electronic board EB1 Disc brake...

Page 206: ...rbon brushes of the driving wheel M0 are worn damaged Replace the carbon brushes replace the driving wheel The ignition key SW1 is not working Replace The driver s seat safety microswitch SW7 is broke...

Page 207: ...while leaving the machine stopped for a few minutes Check the amperage of the driving wheel 6 Damaged power stage Replace the EB1 electronic board 7 Overcurrent Check the amperage of the driving wheel...

Page 208: ...signal to EB2 after the machine has been stopped It is used by EB2 to stop the components brooms vacuum system dust guard system when the machine is stopped 12 SPEED IN MULTIMODE 50 Maximum speed whe...

Page 209: ...ter connected to the hardware configuration DO NOT MODIFY 26 A2 ALARM ENABLING DISABLE Parameter connected to the hardware configuration DO NOT MODIFY 27 A3 ALARM ENABLING ENABLE Parameter connected t...

Page 210: ...ctions Battery B B M1 M2 Power Connections male screw terminals M 6 Ref Description Electronic board in out V ref I max Connected to B Electronic board power supply in 24V 250A BAT ES0 B Electronic bo...

Page 211: ...24V when the machine is moving 1A EB2 J1 18 8 Main electromagnetic switch output out 0V when the machine is ON 1A ES0 9 Buzzer output out 24V when the buzzer is active 1A BZ1 10 Diagnostic warning li...

Page 212: ...move by placing opposite wedges on the rear wheels 3 Steer the front wheel to the right about 90 4 Unscrew nut and locknut A then remove the brake cable B from the brackets C Retrieve the spring D 5...

Page 213: ...Disc Disassembly Assembly Continues 10 If necessary separate the outer pad M from the bracket N as shown below Disengage the retaining ring O and remove the spring P Remove the bracket N and the lever...

Page 214: ...nuts F until the bracket G comes into contact with the brake disc I and with the inner pad L then unscrew the nuts F for 3 4 of a turn thus giving a 1 mm clearance be tween the brake disc I and the pa...

Page 215: ...ges A on the rear wheels 3 Remove the left side broom if equipped 4 Steer the front wheel to the right about 90 5 Unscrew nut and locknut B then remove the brake cable C from the brackets D 6 Under th...

Page 216: ...becomes accessible 3 Loosen the locknut A and the nut B 4 Turn the nut B until the distance between the braking masses C and the brake disc D is 0 5 mm as shown in the figure 5 Tighten the locknut A w...

Page 217: ...er to let the front wheel turn freely without touching the floor 3 Open the battery engine compartment hood 4 Apply the amp clamp C on the electrical cable D of the drive system electronic board E 5 T...

Page 218: ...he relevant paragraph If necessary disassemble the drive system motor see the procedure in Driving Wheel and Steering Unit Disassembly Assembly paragraph and check the condition of all its components...

Page 219: ...the parking brake 3 Open the battery engine compartment hood Disconnect the battery connector Floortec R 870 Battery Disconnect the batteries Floortec R 870 Petrol LPG 4 Remove in sequence each of th...

Page 220: ...eral carbon brushes of the drive motor as shown below Loosen the two screws E Remove the lateral cover F Loosen the screws G Remove the carbon brushes with the spring H 7 Check the two carbon brushes...

Page 221: ...he machine cannot move by placing opposite wedges A on the rear wheels 3 With a proper hoisting system applied to the machine chassis to the front wheel area B lift the machine a few centimetres in or...

Page 222: ...shers M 10 Remove the rubber ring N from the reduction unit P Assembly 11 Assemble the components in the reverse order of disassembly and note the following To ease the installation of the rubber ring...

Page 223: ...the battery connector Floortec R 870 Battery Disconnect the batteries Floortec R 870 Petrol LPG 4 With a proper hoisting system applied to the machine chassis to the front wheel area B lift the machin...

Page 224: ...t wheel to the right about 90 10 Unscrew nut and locknut G then remove the brake cable H from the brackets I Retrieve the spring J 11 Remove the screws L and the cover M 12 Remove the nuts and disconn...

Page 225: ...ly V 16 Remove from the machine the driving wheel assembly V with the steering assembly W by removing the hub X from the steering shaft retrieve the key Y 17 If necessary remove the screws Z and then...

Page 226: ...e in the previous paragraph 2 Workbench remove the screws A on the left side of the front wheel assembly 3 Remove the spacer B 4 Remove the left bracket C if necessary use a puller D 5 With a marker d...

Page 227: ...cap assembly J take the greatest care in order not to remove displace the stator from its position 8 Remove the compensating ring K 9 Place the assembly L with the outer side M of the right bracket la...

Page 228: ...the installation of the carbon brush cap assembly J unscrew the caps and temporarily re move the carbon brushes refer to the procedure Drive System Motor Carbon Brush Check Replace ment in the releva...

Page 229: ...edal control E 5 Disconnect the accelerator pedal control connector F 6 Disengage the electrical cable G from the retaining clamps H 7 Retrieve the accelerator pedal control E with the wiring harness...

Page 230: ...ttery Disconnect the batteries Floortec R 870 Petrol LPG 4 On the left rear side of the battery engine compartment disengage the protection caps A and disconnect the electrical connections of the driv...

Page 231: ...tment A remove the driver s seat microswitch connector B from its housing and disconnect it 5 Close the hood A 6 Move the seat C forward and remove it from the rails D 7 Retrieve the seat C with the w...

Page 232: ...trol Floortec R 870 LPG U turn space right left 75 6 74 4 in 1 920 1 890 mm Forward speed 4 3 mi h 7 km h Maximum reverse speed 2 8 mi h 4 5 km h Gradeability 20 Front wheel specific pressure on the f...

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Nilfisk-ALTO 9084404010, Service Manual, Page: 31 / 232

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