Minuteman Max Ride MR20ECO User manual

For:
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
Contents
1 Safety Page 4
2 3 Maintenance Intervals Page 5
3.1 Minuteman System Maintenance K (Customer) Page 6
3.2 Minuteman System Maintenance I (125 hours of operation) Page 7
3.3 Minuteman 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

11 Maintaining the Recovery Float/filter Page 19
12 In Line Solution Filter and Valve (Generation 1) Page 20
13 In Line Solution Filter and Valve (Generation 2) Page 21
14 Switches (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

1. Stop the machine only on level surfaces.
2. Avoid moving parts. Do not wear loose jackets, shirts, or sleeves
when working on machine.
3. Avoid contact with battery acid. Battery acid can cause burns. When
working on or around batteries, wear protective clothing and safety
glasses. Remove 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 machine and the A.C
cord the from outlet, when servicing the machine.
1. Safety
Page 4

3. Maintenance Intervals
•Maintenance Intervals:
In a modular structure, the Minuteman System Maintenance determines the specific
technical proceedures to be preformed and sets the time interval between the two
maintenance cycles.
For each of the maintenance cycle, the replaceable parts are determined as well.
Further details described in the specific chapters.
•Minuteman System Maintenance K:
To be performed by the customer (in daily or weekly intervals) according to the maintenance
and care instructions 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 an authorized Minuteman Service Center in accordance with the machine-
specific system maintenance.
•Minuteman System Maintenance S: (after every 500 hours of operation, safety check) To
be performed by an authorized Minuteman Service Center in accordance with the machine-
specific system maintenance.
Page 5

3.1 Minuteman System Maintenance K
Page 6
To be performed by the customer/user Interval
Daily Weekly
Fill the clean water tank and mix the proper amount and type of cleaning solution. O
Charger the batteries. O
Check the brush head, Clean if needed with a damp cloth. Do not get water inside
the motor. O
Check the squeegee, clean if needed O
Check the lid gasket on 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 blade(s) over or replace. O
Check the solution filter. Clean if needed. O
Flush the clean water solution tank with warm water. O
Test all the functions of the machine. O

3.2 Minuteman System Maintenance I
Page 7

3.3 Minuteman System Maintenance II
Page 8

3.4 Minuteman System Maintenance S
Page 9

Regularly scheduled lubrication of certain machine parts should
be performed to insure trouble-free
operation of the machine. Apply a generous 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
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