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Minuteman Max Ride A-MR20ECO, Service Manual

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Minuteman Max Ride A-MR20ECO Service Manual Download Page 18

10.Squeegee Height Adjustment

Adjusting the Squeegee Blades Height Adjustment 

• If streaks are present, the clearance between the caster wheels and floor must be adjusted 

by tightening, or loosening the nut above the bracket that holds the caster as shown in 
Figure A.  Figure B shows optimal flare of the squeegee for best results.

Page 18

Figure A

Figure B

Summary of Contents for Max Ride A-MR20ECO

Page 1: ...Training Troubleshooting Adjustments SERVICE MANUAL For Max Ride Models Generation 1 MR20ECO MR20S MR26ECO MR26S Generation 2 A MR20ECO A MR20S A MR26ECO and A MR26S Rev 02 17 2019 Generation 2 Generation 1 ...

Page 2: ...teman System Maintenance II 250 hours of operation Page 8 3 4 Minuteman System Maintenance S 500 hours of operation at least yearly Page 9 4 Lubrication Page 10 5 Battery Charger Settings Page 11 6 Battery Charge Fault Codes Page 13 7 Battery Trouble shooting Page 15 8 Electric Brake By pass Generation 1 only Page 16 9 Replacing Squeegee Blades Page 17 10 Squeegee Wheel Adjustment Page 18 ...

Page 3: ...ches Generation 1 Only Page 22 15 Drive Controller Error Codes Page 23 16 Seat Switch Contact Plates No Drive Function Page 25 17 Adding Brush Deck Skirt On MR20D Generation 1 Only Page 26 18 Wiring Diagram Gen 1 Only Includes Sport Models Page 27 22 Wiring Diagram Gen 2 ECO Version Only Page 28 23 Wiring Diagram Gen 2 Sport Version Only Page 29 Page 3 Contents Continued ...

Page 4: ...ove metal jewelry Do not lay tools or metal objects on top of the batteries 4 Do not clean machine with a pressure washer 5 Only authorized personnel should perform repairs and maintenance 6 Use only Minuteman genuine replacement parts 8 Do not use machine around flammable substances 9 The batteries should be charged only in well ventilated areas 10 Always disconnect the battery pack from the mach...

Page 5: ...as specified in the operating instructions The operator must be professionally instructed after delivery of the machine by selling dealer Minuteman System Maintenance I after every 125 hours of operation To be preformed an authorized Minuteman Service Center in accordance with the machine specific system maintenance Minuteman System Maintenance II after every 250 hours of operation To be preformed...

Page 6: ...n the recovery tank O Empty and flush the recovery tank with clean water O Clean the filter float inside the recovery tank O Check the water levels of all the batteries Add distilled water if needed Do not over fill O Check the pads and brushes for wear Replace if needed O Check the squeegee hose for clogs damage and wear Replace if needed O Check the squeegee rubbers for cuts and wear Flip the bl...

Page 7: ...3 2 Minuteman System Maintenance I Page 7 ...

Page 8: ...3 3 Minuteman System Maintenance II Page 8 ...

Page 9: ...3 4 Minuteman System Maintenance S Page 9 ...

Page 10: ...rous amount of grease into the fittings on the machine until grease seeps out around the bearings Wipe excessive grease off with a towel The grease points are listed below 1 Rear squeegee caster wheel axle 2 2 Rear squeegee caster swivel 2 Apply lubricant to 1 The rear squeegee pivot points 2 The scrub deck linkages 4 Lubrication Page 10 ...

Page 11: ... 7 Replace the rubber plug and install charger into the machine Switch Position Battery Type 1 All Wet Flooded Lead Acid 95 to 115 AH Group 27 1 AGM Maintenance Free Part 956100 95 AH OEM only 2 All Wet Flooded Lead Acid 130 to 140 AH Group 31 2 AGM Maintenance Free Part 956135 135 AH OEM only 3 GEL AGM NON OEM 135 amp hr 4 GEL AGM NON OEM 95 to 100 AH and Trojan AGM 102 AH hr Minuteman Part 95615...

Page 12: ... on the end of the charger Turn the red selector with small flat tip screw driver to the desired setting Bottom view with plug Bottom with plug removed Selector Switch close up 5 Seting the Charger Battery Type Cont Page 12 ...

Page 13: ...hese problems except when connected to Batteries totaling 48 volts or more RED LED BLINKS TWICE CHARGER HAS TIMED OUT The charging progress timer has elapsed before charging was complete and charger has stopped charging Possible causes 1 The batteries are extremely discharged Unplug the AC cord connection for 30 seconds minimum Let batteries cool down if hot Reconnect the AC cord to start a new ch...

Page 14: ...Charger is unable to put full output to the batteries 3 Possible loose or poor connections Check all connections 4 Batteries may need to be conditioned by charging and discharging them Some batteries may need to be cycled several times in order to condition them to their full potential 6 Battery Charger Error Codes Continued Page 14 ...

Page 15: ...ttery that has 1 or more volt s less than the other should be replaced 7 Battery Trouble Shooting Excessive Gassing or Water Consumption in Batteries Page 15 1 If the charger appears to be charging and excessive gassing or water consumption had been or is occurring in the batteries 2 Check the following 3 A Have the batteries been maintained on a consistent basis Failure to maintain batteries will...

Page 16: ...ease electric brake the machine can be manually moved if drive circuit is non functional Battery power is required If the machine is powered up in the manual released position the code 9 9 bar flash will appear on the battery status LED indicator The drive system will be disabled Turn the brake by pass switch off and restart the machine Page 16 ...

Page 17: ... squeegee blades can be reused by removing them and flipping over them can be turned for 2 total uses It is generally easier to remove the squeegee with the brush deck in the raised position 1 Pull off the suction hose loosen the two 3 sided knobs B and remove the squeegee 2 Unlock the fastening devices on the inside and outside squeegees as shown Page 17 ...

Page 18: ...ent If streaks are present the clearance between the caster wheels and floor must be adjusted by tightening or loosening the nut above the bracket that holds the caster as shown in Figure A Figure B shows optimal flare of the squeegee for best results Page 18 Figure A Figure B ...

Page 19: ...is essential to keep the float in working order through regular maintenance The float should be cleaned daily by thoroughly rinsing with a hose Screened Float Removal The screened float is positioned inside the recovery tank WARNING Damage to the machine may occur if operated without the screened float properly in place Removal of the screened float is not necessary for daily maintenance The float scre...

Page 20: ...k and clean the screened washer inside the assembly regularly to ensure proper solution flow Before cleaning lift the scrub deck lift lever to the fully raised position To open pull the blue shut off handle to the closed position A then unscrew the screen assembly B Remove the screen and rinse reinsert and screw assembly together tightening by hand Overtightening with tools may damage the plastic th...

Page 21: ...on control valve is located under the frame on the operators left side in front of the left rear wheel The solution valve should be turned off before cleaning the filter The solution valve can also be adjusted to control the solution flow rate The Gen 2 version machines do not have a manual water control on the top of the machine Page 21 ...

Page 22: ...lenoid and Brush Unload Brake Switches These are located under the frame below the throttle pedal area One switch controls the electric water solenoid The other controls the brush motor braking during the brush unload removal Page 22 ...

Page 23: ...ingle flash Faulty connection to the traction drive motor or worn out carbon brushes in traction motor Single flash Shorted traction drive motor or drive motor circuit Single flash Battery charge level has fallen below lockout level Charge the batteries Page 23 Single flash Not used ...

Page 24: ...h Loose battery connection or from repeatedly cycling key switch on and off to quickly Page 24 Single Flash Electric Brake disconnected from circuit or the override switch is set in the manual transport position gen 1 only Single flash High battery voltage Check all connections Ripple Throttle activated during start up LEDS start on left and light up traveling to right and repeating 15 Drive Contr...

Page 25: ... does not to drive everything else works Check the contact plates on the rear edge on the seat tank cover and the solution recovery tank where the two meet These are the contacts for the seat switch circuit applies to all versions Page 25 ...

Page 26: ...21 Adding Brush Skirt to the MR20D Gen 1 Page 26 ...

Page 27: ...X Y Generation 1 only MR20ECO MR20Sport MR26ECO and MR26Sport ...

Page 28: ...X Y Wiring for A MR20ECO and A MR26S Generation 2 only ...

Page 29: ...X Y Generation 2 Only ...

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