KENT 908 7113 020 Service Manual Download | Manualshive

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RECOVERY WATER SYSTEM

SERVICE MANUAL

ENGLISH

Razor SV17 - Razor E17

909 6577 000(4)2009-11

25

RECOVERY WATER SYSTEM
TANK AND VACUUM GRID WITH FLOAT CLEANING [Razor SV17 - Razor E17]

Drive the machine to the appointed disposal area.

1.

Check that the switches (5 and 6) are turned to “0”.

2.

If necessary, empty the tank (43) by means of the hose (22).

3.

Lift the cover (41), then wash with clean water the cover, the tank (43) and the vacuum grid (46).

4.

Drain the water in the tank through the hose (22).

If necessary, release the fasteners (A) and open the grid (B), recover the float (C), clean all the components and then reinstall

5.

them.

Check the recovery water tank cover gasket (D) for integrity.

6.

NOTE

The gasket (D) creates vacuum in the tank that is necessary for vacuuming the recovery water.

If necessary replace the gasket (D) after removing it from its housing (E).

When assembling the new gasket, install its joint (F) in the central area, as shown in the figure.

Check the gasket (G) bearing surface (D) for integrity and sealing capabilities.

7.

Check the compensation hole (H) for clogging.

8.

NOTE

The hole (H) compensates the air in the cover interspaces, thus allowing the creation of vacuum in the recovery

water tank.

Close the cover (41).

9.

S301372

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Summary of Contents for 908 7113 020

Page 1: ...Simple Clean Razor SV17 Razor E17 SERVICE MANUAL Kent models 908 7113 020 908 7112 020 909 6577 000 4 2009 11 ...

Page 2: ...ENGLISH SERVICE MANUAL 2 909 6577 000 4 2009 11 Razor SV17 Razor E17 ...

Page 3: ...SSEMBLY Razor E17 23 TROUBLESHOOTING Razor SV17 24 TROUBLESHOOTING Razor E17 24 RECOVERY WATER SYSTEM 25 TANK AND VACUUM GRID WITH FLOAT CLEANING Razor SV17 Razor E17 25 VACUUM SYSTEM MOTOR ELECTRICAL INPUT CHECK Razor SV17 Razor E17 26 VACUUM SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT Razor SV17 Razor E17 28 VACUUM SYSTEM MOTOR DISASSEMBLY ASSEMBLY Razor SV17 Razor E17 29 SQUEEGEE DISASSEMBL...

Page 4: ...or E17 Installation Instructions for Curved squeegee kit Form Number 909 6450 000 Razor SV17 Razor E17 Installation Instructions for Rubber shock absorber kit Form Number 909 6227 000 Razor SV17 Razor E17 Installation instruction solenoid valve kit Form Number 9097873000 Razor E17 Instructions for Use Form Number 909 5855 000 Razor E17 Spare Parts List Form Number 909 5856 000 SAFETY Kent uses the...

Page 5: ...e the recovery tank and perform this procedure in well ventilated areas and away from bare flames DANGER Razor SV17 Before performing any maintenance repair cleaning or replacement procedure turn the main switch to 0 and if necessary disconnect the battery When using lead WET batteries keep sparks flames and incandescent materials away from the batteries During normal operation explosive gases are...

Page 6: ... the plates affixed to the machine This machine cannot be used on roads or public streets Pay attention during machine transportation when temperature is below freezing point The water in the recovery tank or in the hoses could freeze and seriously damage the machine Use the brushes and pads supplied with the machine and those specified in the Instructions for Use Manual Using other brushes or pad...

Page 7: ...achine with wet hands Turn off all controls before unplugging Regularly check the power supply cable for damages cracks cuts and wear If necessary replace it If the power supply cable is damaged it must be replaced by an authorized Service Center To avoid any risk if the power supply cable is damaged contact an authorized KENT Service Center or a qualified technician Do not pull or carry the machi...

Page 8: ... outlet have a proper outlet installed by a qualified electrician This appliance is for use on a nominal 120 V circuit and has a grounding plug that looks like the plug B Fig 1 A temporary adapter B and C may be used to connect this plug to a 2 pole receptacle B if a properly grounded outlet is not available The temporary adapter should be used only until a properly grounded outlet A can be instal...

Page 9: ...9 N mm2 275 5 psi Brush pad pressure on the ground with full tank 79 3 lbs 28 Kg 62 2 lb 28 Kg the machines is tested in the following conditions max size battery max size brush deck squeegee solution tank full optionals installed weight verified on each wheel print area verified on concrete for each wheel result expresses as max value for front and max value for rear wheels Performance Razor SV17...

Page 10: ... Daily or after using the machine Weekly Every six months Yearly Squeegee cleaning Brush cleaning Tank and vacuum grid with float cleaning Battery charging Squeegee blade check and replacement Solution filter cleaning Battery WET fluid level check Screw and nut tightening check 1 Brush motor carbon brush check or replacement Vacuum system motor carbon brush check or replacement 1 and after the fir...

Page 11: ...ecovery water drain hose 22 Recovery water drain hose bracket 23 Solution drain valve 24 Squeegee lifting lowering lever 25 Solution filter 26 S Battery charger electrical mains connecting cable 27 optional E Power supply cable 28 Squeegee vacuum hose 29 Transport parking device 30 30a Transport parking device activated 30b Transport parking device deactivated Locking pin for transport parking dev...

Page 12: ...GENERAL INFORMATION ENGLISH SERVICE MANUAL 10 909 6577 000 4 2009 11 Razor SV17 Razor E17 Razor SV17 35 S301386 ...

Page 13: ...GENERAL INFORMATION SERVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 11 Razor SV17 S301387 ...

Page 14: ...GENERAL INFORMATION ENGLISH SERVICE MANUAL 12 909 6577 000 4 2009 11 Razor SV17 Razor E17 Razor E17 S301388 ...

Page 15: ...GENERAL INFORMATION SERVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 13 Razor E17 S301389 ...

Page 16: ...the valve 24 3 Wash the tank 44 with clean water then drain the water from the tank by means of the valve 24 4 SOLUTION FILTER CLEANING Razor SV17 Razor E17 Check that the switches 5 and 6 are turned to 0 1 Empty the solution tank 44 by means of the valve 24 2 Remove the transparent cover A and the filter strainer B then clean and reinstall them on the support C 3 NOTE The filter strainer B must b...

Page 17: ...bly Assemble in the reverse order of disassembly and note these items 6 When assembling a new solenoid valve E the stamping must point outwards moreover before installing the unions M and N clean the relevant threads and apply LOCTITE 572 sealant Solution flow control tap disassembly Remove the four nuts H and the two clamps I 7 Disconnect the hoses J and K and recover the tap L 8 Solution flow co...

Page 18: ...he solenoid valve is broken or there is an open in the electrical connection replace the solenoid valve repair the electrical 3 connection There is debris in the solution tank clogging the output hole clean the tank 4 There is debris in the solution hose clogging the solution flow clean the hose 5 The detergent flow control tap is in the ECO position adjust the detergent flow control lever 6 THE S...

Page 19: ...ents while performing the following steps Set an ammeter F on the battery supply cable red G of the brush motor H Adjust the full scale at 50 A or more 8 Activate the brush by turning the switch 5 to I then check that the brush motor electrical input is within the following limits 9 with the brush on floor tiles 8 to 10 A with lifted brush 2 7 to 3 2 A Turn the switch 5 to 0 If the electrical inpu...

Page 20: ...BRUSHING SYSTEM ENGLISH SERVICE MANUAL 18 909 6577 000 4 2009 11 Razor SV17 Razor E17 S301370 ...

Page 21: ...ews F and the terminal board box sealing cover G When installing the terminal board box cover G check 8 for gasket integrity and efficiency Set an ammeter H on the brush motor supply cable I 9 Activate the brush by turning the switch 5 to I then check that the brush motor electrical input is within the following limits 10 with the brush on floor tiles 6 to 8 A with lifted brush 5 5 to 6 A Turn the...

Page 22: ...bon brush then remove the four carbon brushes C 3 Check if the four carbon brushes are worn out Replace the carbon brushes when the contact with the motor armature is 4 insufficient the carbon brushes are worn the carbon brush contact surface is not integral the thrust spring is broken etc If necessary remove the nuts D and disengage the lead in wires E then remove the carbon brushes 5 Replace the...

Page 23: ...ushes 2 Remove four protection covers A by disengaging the fasteners 3 Remove the carbon brush nuts B with the lead in wires 4 Disengage the tabs C and remove the carbon brushes D 5 Check if the carbon brushes D are worn Replace the carbon brushes when the contact with the motor armature is 6 insufficient the carbon brushes are worn the carbon brush contact surface is not integral the thrust sprin...

Page 24: ...n unit Disassemble the motor reduction unit as above indicated 9 Remove the nuts F fixing the motor to the reduction unit 10 Carefully lift and remove the motor E together with the pinion and bearing 11 CAUTION To prevent part H and part I from separating during the motor disassembly assembly it is advisable to apply adhesive tape temporarily to keep the two parts together Recover the reduction un...

Page 25: ...s D 6 Remove the brush motor E 7 Assemble in the reverse order of disassembly 8 Separating the motor from the reduction unit Disassemble the motor reduction unit as above indicated 9 Remove the nuts F fixing the motor to the reduction unit 10 Carefully lift and remove the motor E together with the pinion and bearing 11 Recover the reduction unit and the oil J 12 Assemble in the reverse order of di...

Page 26: ...put 2 THE BRUSH DOES NOT ROTATE Possible causes The battery voltage is too low charge the battery 1 The motor carbon brushes are worn replace 2 The motor is faulty repair or replace 3 The brush motor fuse is burned solve the problem and replace the fuse 4 The brush ON OFF switch 5 is broken replace 5 The reduction unit is faulty repair or replace 6 The wiring harness is damaged repair 7 The brush ...

Page 27: ...fasteners A and open the grid B recover the float C clean all the components and then reinstall 5 them Check the recovery water tank cover gasket D for integrity 6 NOTE The gasket D creates vacuum in the tank that is necessary for vacuuming the recovery water If necessary replace the gasket D after removing it from its housing E When assembling the new gasket install its joint F in the central are...

Page 28: ...e clamp I and disconnect the hoses J then remove the waterproof cover K WARNING Do not touch uncovered electrical components while performing the following steps Place an ammeter F on one of the cables G of the vacuum system motor H 7 Activate the vacuum system by turning the switch 6 to I then check that the vacuum system motor electrical input is within 8 the following limits Razor SV17 14 to 17...

Page 29: ...RECOVERY WATER SYSTEM SERVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 27 S301373 The figure shows Razor SV17 ...

Page 30: ...ver C from the vacuum system motor 2 Remove the screws D and the fasteners E 3 Disconnect the electrical connections F and remove the brushes G 4 Check the carbon brushes for wear Replace the carbon brushes when the contact with the motor armature is insufficient the 5 carbon brushes are worn the carbon brush contact surface is not integral the thrust spring is broken etc If necessary replace the ...

Page 31: ...ee 17 3 Open the cover 12 4 Grasp the recovery water tank A in the area B and lift it as shown in the figure then disconnect the vacuum hose C from 5 the tank and remove the tank A together with the hoses D and E Razor E17 Loosen the clamp I and disconnect the hoses J then remove the waterproof cover K 6 Disconnect the vacuum system motor electrical connector F 7 Remove the vacuum system motor fas...

Page 32: ...em Blade check and overturning replacement Check that the edges E of the front blade and the edges F of the rear blade lay down on the same level along their length 3 otherwise adjust their height according to the following procedure Remove the fixing springs G and adjust the front blade C and the rear blade D Reinstall the fixing springs on the properly adjusted front and rear blades Check the fr...

Page 33: ...t 46 is activated because the water recovery tank 43 is full empty the water 1 recovery tank The grid 46 is dirty clean 2 The recovery water tank cover 12 is not correctly positioned adjust 3 The tank cover gasket 42 is not efficient or the compensating hole is clogged solve the problems 4 The squeegee or the vacuum hose is clogged or damaged clean or repair replace 5 The vacuum system motor carbo...

Page 34: ...e vacuum hose C from 5 the tank and remove the tank A together with the hoses D and E Adjust the machine speed by means of the screw 53 according to the following procedure 6 Loosen the screw 57 on the right side of the machine by turning it counter clockwise Turn the adjusting screw 53 counter clockwise to increase the machine speed Turn the adjusting screw 53 clockwise to decrease the machine sp...

Page 35: ... motor B 2 Remove the left deck fastening screw 58 3 Use a protection D to avoid damaging the machine and tilt it carefully to lay its left side on the floor 4 Disconnect the solution hose E from the solenoid valve F 5 Remove the right deck fastening screw 57 6 Remove the deck H 7 Assembly Assemble in the reverse order of disassembly and note these items 8 When reassembling the deck H reinsert the...

Page 36: ...es D and E Remove the screws F and the terminal board box sealing cover G then disconnect the brush motor cable H from the 6 terminal board Disconnect the brush motor cable H from the fasteners I 7 Remove the left deck fastening screw 58 8 Use a protection K to avoid damaging the machine and tilt it carefully to lay its left side on the floor 9 Disconnect the solution hose L from the solenoid valv...

Page 37: ...OTHER SYSTEMS SERVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 35 S301377 S301222 ...

Page 38: ...r GEL before installation If the type of battery chosen to be installed is different from the removed one not WET but GEL or viceversa before 8 installing and connecting the new batteries the machine electronic board setting must be performed according to the following procedure Remove the screws F and carefully pull out the electrical component box cover G 9 Set the microswitch H to WET or GEL po...

Page 39: ...ELECTRICAL SYSTEM SERVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 37 S301378 ...

Page 40: ...es set the curve WET A DIP SWITCH SW1 SETTINGS DP1 DP2 Charging curve Voltage ON WET ON 9A OFF GEL OFF 8A S301223A ELECTRONIC BOARD SETTING Razor SV17 Pb Gel dip switch A 1 Pb Pb Batteries 0 Gel Gel Batteries V toll 0 1V wet gel green yellow 21 22 3 yellow red blinking 20 3 21 On board charger NO charger dip switch B 1 NO Ch For external charger use 0 Ch For machine with SPE battery charger connec...

Page 41: ...machine on a level ground 1 Check that the switches 5 and 6 are turned to 0 2 If there is recovery water in the tank 43 drain it through the hose 22 3 For lead WET batteries only 4 Disconnect the vacuum hose 29 from the squeegee 17 Open the cover 12 Grasp the recovery water tank A in the area B and lift it as shown in the figure then disconnect the vacuum hose C from the tank and remove the tank A...

Page 42: ...ging cycle is over 12 When the battery charging is over disconnect the battery charger cable 27 from the electrical mains and wind it round its 13 housing on the machine NOTE For further information about the battery charger operation 33 see the relevant Manual Reset For lead WET batteries only 14 Check for the correct level of electrolyte inside the batteries 50 If necessary add distilled water t...

Page 43: ...ct the vacuum hose 29 from the squeegee 17 Open the cover 12 Grasp the recovery water tank A in the area B and lift it as shown in the figure then disconnect the vacuum hose C from the tank and remove the tank A together with the hoses D and E Remove the screws F and carefully pull out the electrical component box cover G 4 Disconnect the connections H of the electronic board I 5 Disengage the fas...

Page 44: ...ELECTRICAL SYSTEM ENGLISH SERVICE MANUAL 42 909 6577 000 4 2009 11 Razor SV17 Razor E17 ELECTRONIC BOARD REPLACEMENT Razor SV17 continues S301379 ...

Page 45: ...ording to the following procedure If there is recovery water in the tank 43 drain it through the hose 22 Disconnect the vacuum hose 29 from the squeegee 17 Open the cover 12 Grasp the recovery water tank A in the area B and lift it as shown in the figure then disconnect the vacuum hose C from the tank and remove the tank A together with the hoses D and E Remove the screws F and carefully pull out ...

Page 46: ...ELECTRICAL SYSTEM ENGLISH SERVICE MANUAL 44 909 6577 000 4 2009 11 Razor SV17 Razor E17 FUSE CHECK REPLACEMENT Razor SV17 continues S301380 ...

Page 47: ...ry charger connector EB1 Electronic board CF BA430 EB2 Electronic board led CF BALED ES1 Brush switch ES2 Vacuum switch EV1 Water solenoid valve F1 Brush fuse 40A F2 Vacuum system fuse 30A F3 Solenoid valve and electronic board fuse 5A IS1 Negative insulator M1 Brush pad motor M2 Vacuum system motor SW1 Brush pad switch SW2 Vacuum switch S301391 ...

Page 48: ...ELECTRICAL SYSTEM ENGLISH SERVICE MANUAL 46 909 6577 000 4 2009 11 Razor SV17 Razor E17 COMPONENT LOCATION Razor SV17 continues S301392 ...

Page 49: ...RVICE MANUAL ENGLISH Razor SV17 Razor E17 909 6577 000 4 2009 11 47 COMPONENT LOCATION Razor E17 EV1 Solenoid valve FR Frame M1 Brush pad motor M2 Vacuum system motor PL Plug SW1 Brush pad switch SW2 Vacuum switch S301393 ...

Page 50: ... Electronic board LED CF BALED ES1 Brush switch ES2 Vacuum switch ES3 Battery charger realay EV1 Water solenoid valve F1 Brush fuse 40A F2 Vacuum system fuse 30A F3 Solenoid valve and electronic board fuse 5A IS1 Negative insulator M1 Brush pad motor M2 Vacuum system motor SW1 Brush pad switch SW2 Vacuum switch Color code BK Black BU Blue BN Brown GN Green GY Grey OG Orange PK Pink RD Red VT Viole...

Page 51: ...zor SV17 for machines before 2007 05 continues F3 CH1 BK RD BN V IS1 F2 YE CFBA430 BK BU BN RD BK EB1 PK WH OG BN BU GY EB2 SW1 SW2 RD ES1 BU ES2 F1 YE BN M2 BU M1 RD RD OR WH EV1 Pb Gel SWITCH RD GY C1 YE BK RD ES3 RD BN CT 1 BL S BT VT S V BL V 8 CH 1 SC LR SV SB LY LG KY LC 8 Ch NO Ch W W Gel Pb S301229 ...

Page 52: ...nic board EB2 Electronic board LED CF BALED ES1 Brush switch ES2 Vacuum switch EV1 Water solenoid valve F1 Brush fuse 40A F2 Vacuum system fuse 30A F3 Solenoid valve and electronic board fuse 5A IS1 Negative insulator M1 Brush pad motor M2 Vacuum system motor SW1 Brush pad switch SW2 Vacuum switch Color code BK Black BU Blue BN Brown GN Green GY Grey OG Orange PK Pink RD Red VT Violet WH White YE ...

Page 53: ...AM Razor SV17 for machines after 2007 05 continues F3 CH1 BK RD BN V IS1 F2 YE CFBA430 BK BU BN RD BK EB1 PK WH OG BN BU GY EB2 SW1 SW2 RD ES1 BU ES2 F1 YE BN M2 BU M1 RD RD OR WH EV1 Pb Gel SWITCH RD GY BK RD RD BK CT 1 BL S BT VT S V BL V 8 CH 1 SC LR SV SB LY LG KY LC 8 Ch NO Ch W W Gel Pb S301229A ...

Page 54: ...V17 Razor E17 WIRING DIAGRAM Razor E17 Key EV1 Solenoid valve FR Frame M1 Brush pad motor M2 Vacuum system motor PL Plug SW1 Brush pad switch SW2 Vacuum switch Color code BK Black BU Blue BN Brown GN Green GY Grey OG Orange PK Pink RD Red VT Violet WH White YE Yellow S301395 ...

Page 55: ...OR A PIN Description Work conditions A B C 1 CS Common Switch 24V 24V 24V 2 BS Brush Switch floating 24V floating 3 VS Vacuum Switch floating floating 24V 4 LR Red LED EB2 PIN 2 floating dep on battery status 5 LG Yellow LED EB2 PIN 3 floating dep on battery status 6 LV Green LED EB2 PIN 4 floating dep on battery status 7 LC LED Common EB2 PIN 1 24V 24V 24V 8 KY not used 24V 24V 24V EB1 2 WAYS MOD...

Page 56: ...8 BL Not used floating floating floating Depending on charger connection to the mains only with charger switched ON 0V high res for red LED cathode 40mV is considered brush motor overload by the board it starts blinking LEDs on the control panel and it cuts off the motor after a time relating to the overload misurement EB1 FASTONS D E PIN Description Work conditions A B C CH 6 3 Power from charger...

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