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Clarke MA50 15B, Руководство по обслуживанию

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Service Manual – MA50 15B

Handle  System                

20.   Feed the cable end up through the handle tube.  This takes a bit of patience, and is easier if you remove the 

handle from the right guide black, and reach in to help the cable go up the right tube of the handle

 

21. 

Re-connect the cable to the top mount

22.  Adjust the top nut so there is about ¼” of movement space between the (2) parts

 

23.  Re-assemble the gears into the guide blocks, and re-attach the guide block to the handle.  NOTE: This may 

take some wiggling to get all the holes to line up  

24.  Test the function of the handle adjust cable before you put everything back together

25. 

Re-assemble the handle assembly, and attach it to the machine

Содержание MA50 15B

Страница 1: ...an 48906 Fax 517 484 9836 Email CustServe Michco com Web site www Michco Com Parts Web site www FloorMachineParts Com Order Parts on Line at www FloorMachineParts Com Directly to Parts Service By Emai...

Страница 2: ...Clarke MA50 15B 03 2016 Form No 56043172 Service Manual Model Numbers Clarke MA50 15B English...

Страница 3: ...12 Functional Description 12 Component Locations 12 Maintenance and Adjustment 16 Electrical System 17 Functional Description 17 Component Locations 18 Wiring Harness Diagram 20 Battery Connections 21...

Страница 4: ...ubleshooting 60 Removal and Installation 60 Drive Belt 60 Brush Motor 61 Shop Measurements 65 Solution System 66 Functional Description 66 Circuit Description 66 Component Locations 67 Maintenance and...

Страница 5: ...charger is required Service Manual Purpose The service manual is a resource for professional service technicians It provides information for understanding how the machine operates where components ar...

Страница 6: ...le for any resulting accidents Machine Lifting The Clarke MA50 15B weighs 124 pounds with the batteries installed Use 2 people to lift and or carry the machine The Clarke MA50 15B should not be lifted...

Страница 7: ...5 Gallons 13 5 Liters Brush Pad Pressure 44 5 Pounds 20 Kg Squeegee 20 Inches 51 Cm Drive System Pad Assist Pad Assist Brush Motor RPM Speed 1 3 H P 150 RPM 25Kw 150 RPM Vacuum Motor Waterlift 1 3 H...

Страница 8: ...General Information 7 Service Manual MA50 15B Component Locations Recovery Tank Recovery Tank Lid Brush Deck Solution Fill Hole Solution Tank ON OFF switch Brush switch Vacuum switch Solution switch...

Страница 9: ...General Information 8 Service Manual MA50 15B Solution Control Valve Squeegee Assembly Brush Solution Tank Drain Cap Recovery Tank Drain cap...

Страница 10: ...General Information 9 Service Manual MA50 15B Operating Triggers Handle Adjust Lever Squeegee Lift Handle Squeegee Lift Cable...

Страница 11: ...queegee assembly and wipe it down with a damp cloth X Remove the float shut off and rinse thoroughly X Clean off the machine with a damp towel X Check batteries for loose or corroded connections X Che...

Страница 12: ...s standard with a medium duty brush An optional pad driver can be ordered through your Nilfisk dealer Squeegee Blades The Clarke MA50 15B comes standard with neoprene rubber squeegee blades Optional p...

Страница 13: ...re to the vacuum and brush motors the solution valve the on board charger and the indicator LED s on the switch panel The solution flow is controlled by a manually adjusted valve The Vacuum motor and...

Страница 14: ...Control System 13 Service Manual MA50 15B Triggers Viewed inside control housing Triggers Trigger switch...

Страница 15: ...Control System 14 Service Manual MA50 15B Solution Control Valve Solution Solenoid...

Страница 16: ...ystem 15 Service Manual MA50 15B Shown with Handle removed from machine and cover removed from Circuit box On Board Charger Control PCB Circuit Breakers On Board Charger Plug On Board Charger Indicato...

Страница 17: ...Control System 16 Service Manual MA50 15B Maintenance and Adjustment No maintenance or adjustment is required for the control system...

Страница 18: ...t of 5 amps maximum The electrical system is powered by 2 12 volt batteries for a total of 24 volts Heavy wires connect the batteries in series The battery charger has an interlock to prevent charging...

Страница 19: ...Manual MA50 15B Component Locations Batteries Battery Connector Switch panel Circuit Breakers Charger plug and LED s Charger Control PCB 2 12 volt batteries wired in series Battery Connector Switch P...

Страница 20: ...Electrical System 19 Service Manual MA50 15B On Board Charger Control PCB On Board Charger Plug On Board Charger LED Indicator lights Circuit Breakers...

Страница 21: ...Electrical System 20 Service Manual MA50 15B Wiring Harness Diagram BR 12 17A 17A...

Страница 22: ...ace the machine near an electrical outlet The use of an extension cord is not recommended 3 Plug the charger power cord into the machine plug socket is on the rear of the machine 4 Plug the other end...

Страница 23: ...ttery performance or longevity If the batteries are fully dis charged it will take 10 12 hours to fully re charge them Insure the charger is not plugged in to an outlet that may be switched off when t...

Страница 24: ...Electrical System 23 Service Manual MA50 15B 7 Lift and tilt the handle away from the machine 8 Remove the 2 Phillips screws that hold the charger in...

Страница 25: ...he charger indiscator LED lights align with the holes in the metal cover of the machine 11 Re assemble in the reverse order Control PCB 1 Gain access to the the control PCB following the steps listed...

Страница 26: ...t is very important to use these nylon washers to prevent a short circuit 5 Re mount the control PCB to the case using the 4 screws and nylon washers Again it is very important to use the nylon washer...

Страница 27: ...motor Defective Control PCB Replace Control PCB Defective Switch PCB Replace Switch PCB Defective trigger switch Replace trigger switch Solution solenoid does not open Defective Solution solenoid Repl...

Страница 28: ...condition above not met 0 volts DC Figure 2 Showing the Solution solenoid connector on the Control PCB Measurement Point Conditions Volts DC Reading DVM Black GND probe on B DVM Red probe on Blue con...

Страница 29: ...th DVM Ground Black probe on B and Red probe with T pin with connector plugged into Control PCB Communication Wire Voltage Reading Notes RED 5V 5 volts DC always DC Supply to Switch PCB VIOLET Pin 2 C...

Страница 30: ...e is the Squeegee lift lever mechanism This lever raises and lowers the squeegee assembly At the bottom of the handle system is the metal enclosure Circuit Box that houses the control PCB and on board...

Страница 31: ...30 Service Manual MA50 15B Handle System Switch panel PCB behind label Switch PCB Switch label Operating Triggers Handle Adjust Lever Front Handle Cover...

Страница 32: ...31 Service Manual MA50 15B Handle System Squeegee Lift Lever Squeegee Cable Handle Pivot Point Circuit Box Circuit Breakers...

Страница 33: ...32 Service Manual MA50 15B Handle System Control PCB On board Battery Charger The circuit box cover was removed to show the location of these parts Communication cable At switch PCB At control PCB...

Страница 34: ...n both tanks completely 2 Remove the Recovery Tank 3 Disconnect the batteries 4 Remove the batteries as a pack 5 Fold the handle down over the machine 6 Remove the 8 screws that hold the rear cover to...

Страница 35: ...e rear switch cover 10 Disconnect the wire connectors from the switch PCB 11 The rear cover assembly is now free 12 Remove the switch label to access the 4 screws that attach the switch PCB to the hou...

Страница 36: ...le to the machine Triggers and Trigger Switch 1 Drain both tanks completely 2 Remove the Recovery Tank 3 Disconnect the batteries 4 Remove the batteries as a pack 5 Fold the handle down over the machi...

Страница 37: ...y is now free 12 Remove the 2 screws that attach the trigger switch to the handle cover 13 Remove the wire harness from the defective switch and attach the wires to the new switch to the same terminal...

Страница 38: ...outed under the triggers between the plastic housing and the triggers in order for the handle cover assembly to be re assembled properly 16 Re assemble the handle covers Handle Adjust Cable and Gears...

Страница 39: ...andle adjust cable and slide it out of the groove of the handle bar 10 Now you must remove the handle from the machine to access the other end of the cable Remove the recovery tank Disconnect batterie...

Страница 40: ...39 Service Manual MA50 15B Handle System 11 Remove the 2 Phillips screws that secure the cover plate 12 Lift and tilt the handle away from the machine Allen bolts x 6 Phillips Screws x 2...

Страница 41: ...at hold the charger in 14 Disconnect the power and interlock wires 15 Remove the charger from the circuit box 16 Remove the 4 Allen head screws that hold the left guide block to the handle Loosen the...

Страница 42: ...le System 17 You can now remove the guide block and access the gear spring assembly 18 Remove the entire cable with gears 19 Replace the defective parts with new and apply a small amount of grease to...

Страница 43: ...the handle 21 Re connect the cable to the top mount 22 Adjust the top nut so there is about of movement space between the 2 parts 23 Re assemble the gears into the guide blocks and re attach the guid...

Страница 44: ...43 Service Manual MA50 15B Handle System 26 You can make small adjustments to the cable by removing the rubber plug on the end of the pivot point...

Страница 45: ...portant that the ball float assembly is present and in good working order The vacuum motor will be damaged if water and or foam gets past the ball float Between the solution tank and recovery tank are...

Страница 46: ...Recovery System 45 Service Manual MA50 15B Vacuum Seals Recovery Tank Recovery Tank Lid Recovery Tank Latch Vacuum Motor Shown with motor plate out of machine...

Страница 47: ...Recovery System 46 Service Manual MA50 15B Vacuum Motor circuit breaker Ball Float Assembly Standpipe Vacuum Switch...

Страница 48: ...Recovery System 47 Service Manual MA50 15B Vacuum Hose Pick Up Tube Adapter Vacuum seals x 2...

Страница 49: ...tank Clogged or kinked vacuum pick up hose Check and clean out vacuum pick up hose Ball Float is stuck Remove and clean ball float Air Leaks Recovery tank lid is not screwed on tightly Ensure cover is...

Страница 50: ...covery system that the squeegee blades are in good condition and have the correct down pressure Adjustment of the squeegee down pressure and instructions for replacing the squeegee blades will be disc...

Страница 51: ...move the plastic retaining strips out of the way of the motor wires and squeegee lift cable This will allow you more room for movement 11 For the brush deck mounting bolts Grasp the nylock nut and uns...

Страница 52: ...left side bolts NOTE The shorter Allen bolt toward the rear of the machine is used as a stop You can now carefully move the entire brush head out of the way to gain access to the squeegee cable mounti...

Страница 53: ...ove the defective vacuum motor from the machine Installation 1 Wrap the sound reducing foam around the replacement vacuum motor 2 Install the vacuum motor onto the machine insuring that the round open...

Страница 54: ...2 Remove the 3 screws that hold in the vacuum seals 3 Lift up the plastic strap and you can now slip the vacuum seals off from the hose cuffs and out of the plastic strip 4 Slip the old seals out of...

Страница 55: ...cing the switch PCB see the HANDLE SYSTEM section of this manual Control PCB Replacement of the Control PCB is covered in the ELECTRICAL SYSTEM section of this manual Specifications Shop Measurements...

Страница 56: ...te if the power switch is ON the brush switch is ON and the operating triggers are engaged Tension on the drive belt is kept constant by a spring loaded tensioner Circuit Description The brush motor r...

Страница 57: ...Scrub System 56 Service Manual MA50 15B Power Switch Brush Switch Switch PCB Behind Label Operating Triggers...

Страница 58: ...Scrub System 57 Service Manual MA50 15B Brush Circuit Breaker This view is shown with the handle and circuit box cover removed Control PCB...

Страница 59: ...Scrub System 58 Service Manual MA50 15B Brush motor This view shown with motor plate removed from machine Driven Pulley Drive Belt...

Страница 60: ...Scrub System 59 Service Manual MA50 15B Belt Tension Pulley The Belt Tension Bracket and Spring are located on the opposite side of the driven puley Belt Tension Bracket Belt Tension Spring...

Страница 61: ...but the driven pulley spins freely Brush circuit breaker is tripped Reset circuit breaker Defective trigger switch Replace trigger switch see Electrical system Defective brush motor Replace brush moto...

Страница 62: ...th side of the belt rides on the Idler and driven pulleys Brush Motor 1 Drain both the Solution and Recovery tanks 2 Remove the recovery tank 3 Remove the batteries as a pack 4 Use the Squeegee lift l...

Страница 63: ...ve the plastic retaining strips out of the way of the motor wires and squeegee lift cable This will allow you more room for movement 10 For the brush deck mounting bolts Grasp the nylock nut and unscr...

Страница 64: ...the rear of the machine is used as a stop You can now carefully move the entire brush head out of the way to gain access to the brush motor 11 Loosen the belt tension bracket bolt and use a screwdriv...

Страница 65: ...he drive belt 13 Remove the large nut that holds the driven pulley 14 Remove the pulley to gain access to the brush motor mounting screws 15 Remove the 4 brush motor mounting screws You will have to s...

Страница 66: ...sh motor connector 17 Install the new brush motor in the reverse order Shop Measurements Amp draw of brush motor free spin 2 8 amps Amp draw of brush motor with brush turning on floor 9 5 amps Voltage...

Страница 67: ...N position the brush switch is in the ON position and the safety trigger switch is engaged Once the solution valve is open the solution continues to a tube that feeds the solution to an elbow just abo...

Страница 68: ...Solution System 67 Service Manual MA50 15B Component Locations Solution Tank Solution Shut off Adjustment Valve Solution Valve solenoid Solution Switch Solution Tank Solution Adjust Shut off Valve...

Страница 69: ...Solution System 68 Service Manual MA50 15B Solution Valve Solenoid Solution Switch...

Страница 70: ...roblem Cause Correction No Solution Flow Solution switch not in ON position Turn Solution switch to the ON position Solution switch is defective Replace switch panel Solution Solenoid is defective Rep...

Страница 71: ...nk 3 Remove the batteries as a pack and set out of the way 4 Tip the machine back and remove the squeegee assembly and brush 5 GENTLY tip the machine onto it s side 6 Remove the 2 screws that attach t...

Страница 72: ...le to the machine and 2 Phillips screws that hold the circuit box cover on Do not remove the handle from the machine After the 2 cover screws are removed put 2 of the Allen bolts with acorn nuts back...

Страница 73: ...back on it s side and re install the new solution solenoid Solution Flow control valve 1 Drain both tanks 2 Tip the machine back to gain access to the solution control valve 3 The larger hose barb on...

Страница 74: ...eries as a pack 4 Remove 5 of the 6 Allen bolts w acorn nuts NOTE The 2 longer Allen bolts go through the support brackets 5 Before you remove the last bolt fold the handle down over the machine 6 Rem...

Страница 75: ...anual MA50 15B 8 Lift and tilt the handle away from the machine 9 Disconnect all of the wires and connectors from the PCB The terminals for the 12 gauge wires from the batteries are screwed to the PCB...

Страница 76: ...is very important to use these nylon washers to prevent a short circuit 12 Re mount the control PCB to the case using the 4 screws and nylon washers Again it is very important to use the nylon washer...

Страница 77: ...he the squeegee mount bracket The squeegee assembly itself does not have any adjustments The squeegee mounting bracket does have a bolt nut for adjusting the down pressure of the squeegee assembly Com...

Страница 78: ...Squeegee System 77 Service Manual MA50 15B Squeegee Assembly Squeegee Thumb Screws...

Страница 79: ...Squeegee System 78 Service Manual MA50 15B Squeegee Lift Handle Squeegee Lift Cable...

Страница 80: ...the squeegee blade in the proper position for wiping the floor nearly dry Proper deflection is between 1 8 and 1 4 inch 1 Lower the squeegee lift cable using the squeegee lift handle 2 Tip the machin...

Страница 81: ...Solution and Recovery tanks 2 Remove the recovery tank 3 Remove the batteries as a pack 4 Use the Squeegee lift lever on the handle to lower the squeegee assembly 5 Tip the machine back 6 Remove the b...

Страница 82: ...move the plastic retaining strips out of the way of the motor wires and squeegee lift cable This will allow you more room for movement 11 For the brush deck mounting bolts Grasp the nylock nut and uns...

Страница 83: ...bolt toward the rear of the machine is used as a stop You can now carefully move the entire brush head out of the way to gain access to the squeegee cable mounting brackets 12 Slightly loosen the nut...

Страница 84: ...Squeegee System 83 Service Manual MA50 15B 13 Remove the 2 plastic clamps that hold the squeegee to the rear of the machine...

Страница 85: ...ble out of the machine 16 Replace in reverse order Squeegee Blades 1 Lower the squeegee lift lever on the handle 2 Tip the machine back 3 Remove the squeegee assembly by unscrewing the 2 thumb screws...

Страница 86: ...c backing strips NOTE The inside backing strip is shorter than the outside strip 7 You can now remove the squeegee blades NOTE Both squeegee can be flipped and used again The blades have working surfa...

Страница 87: ...ck up adapter tube Insure drain plug is installed correctly Check the cover and adjust replace as necessary Restrictions due to build up of debris In the recovery tank or standpipe In the vacuum hose...

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