Minuteman 260 Series Guide

Model:

MC260024QP

MC260026QP

MC260024CE

MC260026CE

Revised 8/03

OPERATION SERVICE PARTS CARE

260

Floor Scrubber

Traction Driven

Brush Driven

TABLE OF CONTENTS

Page

Safety Instructions 1

Electrical Requirements 2

Control Panel Identification 3

Squeegee Adjustments 4

Operating Instructions 5

Main Polyethylene Components 6 & 7

Recovery Tank and Solution Tank 8 & 9

Drive Assemblies (Brush Driven) 10 & 11

Mainframe (Brush Driven) 12 & 13

Console Assembly (Brush Driven) 14 & 15

Recovery Tank and Solution Tank 16 & 17

Drive Assemblies (Traction Driven) 18 & 19

Mainframe (Traction Drive) 20 & 21

Console Assembly (Traction Driven) 22 & 23

Squeegee Mechanism Assembly 24

Squeegee Assembly Complete 25

Wiring Diagram (Brush Driven) 26

Wiring Diagram (Brush Driven, CE Model) 27

Wiring Diagram (Traction Driven) 28

Wiring Diagram (Traction Driven, CE Model) 29

IMPORTANT SAFETY INSTRUCTIONS

CAUTION

Operators must read and understand this manual before operating or maintaining

this equipment.

•Keep hands and feet clear of moving parts while machine is in operation.

•All switches must be in the “OFF” position when charging batteries.

•Electrical motors and components can cause an explosion when operated near explosive materials

or vapors. Do not operate this machine near flammable materials such as solvents, thinners, fuels,

grain dusts, etc.

•Make sure all switches are turned “OFF” and battery connections are removed before performing

any maintenance procedures.

•Store or park this machine on a level surface only.

•These machines are designed for level floor operation only. DO NOT OPERATE on ramps or

inclines.

•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 batteries.

•This machine is not suitable for picking up hazardous dust.

•Charging batteries generates explosive gases. DO NOT CHARGE BATTERIES WHEN OPEN

FLAMES OR SPARKS ARE PRESENT. DO NOT SMOKE. Make sure the charger is turned off

before disconnecting it from the batteries. Charge the batteries in a well-ventilated area.

•Maintenance and repairs must be performed by authorized personnel.

SAVE THESE INSTRUCTIONS

ELECTRICAL REQUIREMENTS:

This piece of equipment operates on 24 Volt DC.

BATTERY REQUIREMENTS:

4 x 6V 220AH P/N 956720

4 x 6V 275AH P/N 956740

BATTERY SERVICE AND INSTALLATION:

*Warning: 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

batteries.

BATTERY INSTALLATION:

1. Disconnect tank drain hose from rear of machine (6).

2. Raise tank assembly by raising rear cover and tilting tank, Figure 1.

3. Install batteries as shown in Figure 2.

CHARGING OF BATTERIES:

Charging of batteries generates explosive gases. DO NOT CHARGE BATTERIES WHEN OPEN

FLAMES OR SPARKS ARE PRESENT. DO NOT SMOKE. Make sure the charger is turned off

before disconnecting it from the batteries. Charge the batteries in a well-ventilated area. Fluid levels

should be checked before and after charging and maintained at the proper levels.

CONTROL PANEL IDENTIFICATION

1. Vacuum recovery hose

2. Squeegee lift lever

3. Solution control lever

4. Brush pressure handle

5. Drain hose for recovery tank

6. Foot pedal for lower/raising brush

7. Drain hose for battery tray

8. Reverse control lever

9. Hour meter (optional)

10. Circuit breaker for vacuum motor

11. Circuit breaker for brush motor

12. Brush switch

13. Battery condition gauge

14. Vacuum switch

15. Speed control knob

16. Main power switch

17. Key switch (optional)

18. Forward control lever

19. Pump switch (optional)

20. Quick disconnect aux. out (optional)

21. Dump hose for solution tank

AUTO SCRUBBER BRUSH DESCRIPTION

TYPE DESCRIPTION DURABILITY* COLOR COMPARISON RECOMMENDED

TO PADS USE

Bassine Natural Fiber Short Dark Red Light duty

Brown general cleaning,

acid etching

Nylon Nylon Medium Black Tan/Red General cleaning

& scrubbing vinyl

floors, ceramic tile

& concrete floors

Dyna-Scrub Nylon impregnated Long Light Red General scrubbing,

with 500 Grit Blue vinyl tile, ceramic

Silicone Carbide tile, epoxy floors,

Fine Bristle, urethane finish,

Dense Fill uneven concrete floors

Power-Scrub Nylon impregnated Long Rust Red/Blue Moderate aggressive

with 120 Grit Silicon scrubbing, tile floors

Carbide Fine Bristle, concrete floors

Dense Fill

Poly-Grit Nylon impregnated Long Green Brown/Black Aggressive stripping

with 80 Grit and scrubbing, tile

Silicon Carbide floors, unfinished

Coarse Bristle concrete floors

Strata-Grit Nylon impregnated Long Dark Black Heavy duty

with 46 Grit Blue stripping/scrubbing

Silicon Carbide unfinshed

Coarse Bristle concrete

*Durability is dependent on floor surface, chemicals used and proper care.

SQUEEGEE ADJUSTMENTS

OPERATING INSTRUCTIONS

1. Filling: Fill the solution tank with the desired amount of water and add liquid cleaning solution to

the proper dilution ratio. DO NOT USE powdered cleaning chemicals. Powders are unlikely to

dissolve thoroughly, resulting in clogging the in-line solution filter. This can reduce or stop water

flow to the brush.

2. Close lid.

3. Turn on main power switch (refer to Page 3, #16). (Traction Drive Only)

4. Adjust main speed control, #15 to full counter-clockwise position. (Traction Drive Only)

5. Lower brush assembly:

•Depress foot pedal (7) slightly and push in on lever (5) to release, to increase brush pressure

pull up and back on lever (5) to lock in position.

•To lift the brush, press the pedal down until lift mechanism engages.

6. Turn on brush switch.

7. Adjust solution control feed lever.

8. Select vacuum operation:

Brush Driven Models – Turn vacuum switch to “On” position Traction Driven Models

a) “Vacuum On” mode – Vacuum will remain on until switched to the “off” position

b) “Vacuum Auto” mode – Vacuum will come on automatically when forward or reverse handles

are squeezed, and remain on approximately 5 seconds after handle release.

9. Lower squeegee assembly.

10. Squeeze forward handle #18 and adjust forward speed. (Traction Drive Only)

After Use:

1. Turn off solution feed.

2. Switch off brush and raise.

3. Raise squeegee assembly.

4. Turn off vacuum motor.

5. Solution and recovery tanks should be emptied after every use.

MAINTENANCE:

Daily

1. Clean float assembly & squeegee blades.

2. Recharge batteries (check battery acid levels before and after charging).

Monthly

1. Check wear on squeegee blades.

2. Grease front and rear wheels.

3. Grease pivot points on brush motor assembly.

Every 500 hours check condition of carbon brushes on vacuum motor and brush drive motor.

Parts List

Item Part No. Qty. Description

2 260087 2 Hinge 15”

3 260090 1 Rear Base

4 260091 1 Recovery Tank

5 260092 1 Solution Tank

6 260093 1 Mainframe Weldment - BD

6A 260375 1 Mainframe Weldment - TD

7 260096B 1 Recovery Lid

8 260098 1 Front Skirt

9 260142 1 Skirt Retainer L.H.

10 260143 1 Skirt Retainer R.H.

11 260145 1 Splash Skirt

12 260148 1 Solution Dump Bracket

13 260149 1 U Channel 12”

14 260157 2 Lid Gasket Short

15 260158 2 Lid Gasket Long

16 260159 1 Vac Hose - White

17 260160 1 Recovery Hose Assy.

18 260169 1 Lid Flap

19 260170 2 Retainer Strip

20 260203 2 Hose Clamp, Wire Grip

21 260212 1 Screen Filter

22 260241 2 Hitch Pin 7/16 x 3”

23 260294 1 Gasket

24 260299 1 Shut-Off Plate Assy.

25 260301 1 Deflector Flap

26 450081 1 WSR-1.904 x 2.41 x .03 SS

28 711106 20 SCR-ST-A 10 x .75 PL

29 711124 2 SCR-ST-B 10 x .37

30 711161 10 SCR-Hi/Lo 10 x 5/8

31 711505 4 WSR-Flat ¼

32 711508 2 WSR-Flat 7/16

33 712102 2 Bolt - Shoulder ½ x 1.50

34 712540 14 SCR-MC 10-24 x .37 SS TH

35 712565 17 SCR-MC ¼-20 x .62 SS

37 712667 4 Nut-Nyloc ¼-20

40 715607 1 Decal - Battery Routing

41 760263 2 Foam Tape 16.50”

42 828970 1 WSR-Neop 1.87 x 2.4 x .125

43 828971 1 Nut - 1 ½ Pipe Thread

44 450037 1 Adapter MCH

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