Minuteman MC17026-00 Service manual

170TD
Automatic
Scrubber
Model: MC17026-00
MC17026QP
Revised 6/02
OPERATION SERVICE PARTS CARE

TABLE OF CONTENTS
Page
Safety Instructions 1
Electrical Requirements 2
Control Panel Identification 3
Brush Installation Instructions 4
Operating Instructions/Maintenance 5
Main Polyethelene Components 6 & 7
Solution/Recovery Tank 8 & 9
Vacuum Components 10 & 11
Brush Drive Assemblies 12 &13
Squeegee Assembly 14 & 15
Wiring Diagram 16

1
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 nearflammable 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 toolsor metal objects on top of
batteries.
• This machine is not suitable for picking up hazardous dusts.
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

2
ELECTRICAL REQUIREMENTS:
This piece of equipment operates on 24 Volt DC.
BATTERY REQUIREMENTS:
2 x 12V 80 Amp Hour 20 Hour Rate Deepcycle P/N 956721
2 x 12V 105 Amp Hour 20 Hour Rate Deepcycle P/N 956712
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.
2. Disconnect vacuum recovery hose.
3. Raise tank assembly by gripping side hand holds, and tilting forward.
4. Position tank kickstand as shown below, figure 1, to hold tank in upright position. To lower,
raise tank slightly forward and manually move kickstand to freed position.
5. 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.
Fig.1 Fig.2

3
1. Direction switch 7. Main power switch
2. Vacuum switch 8. Speed control knob
3. Squeegee lift lever 9. Drain hose for clean solution tank
4. Battery condition meter 10. Drain hose for recovery tank
5. Solution control lever 11. Vacuum recovery hose
6. Main power indicator 12. Foot pedal for raising/lowering brush

4
BRUSH REMOVAL
Empty solution and recovery tanks.
Disconnect batteries.
Remove squeegee assembly.
Lower brush.
Tilt machine as shown (figure 3) until machine rests on foot pedal.
Brush has a snap-on push off clutch plate. Pushing brush away from the machine from the
side, will release brush assembly.
To install: Hold brush in the center and snap on to drive hub.
Fig.3

5
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. Lower brush assembly.
- To lower the brush, first push the pedal slightly towards the center of the
machine (unlock it), then release it slowly.
- To lift the brush, press the pedal down until lift mechanism engages.
4. Turn on brush switch.
5. Adjust solution control feed lever.
6. Turn on vacuum switch.
7. Lower squeegee assembly.
After Use:
1. Turn off solution feed.
2. Switch off brush and raise.
3. Raise squeegee assembly.
4. Turn off vacuum motor.
Solution and recovery tanks should be emptied after every use.
MAINTENANCE:
When cleaning, servicing or maintaining the machine the power should be switched off.
Daily 1. Clean float assembly & squeegee blades. Vac filter.
2. Recharge batteries (check battery acid levels before and
after charging).
Monthly 1. Check wear on squeegee blades.
2. Grease 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.

6

7
Parts List
Item Part No. Qty. Description
1 430000TD 1 Base 170TD
2 430001MCH 1 170 Sol/Recovery Tank Assy
3 430002 1 Cover Poly 170 Burgundy
4 430044 2 Hinge Lid 17 B/E
5 430046 2 Side Skirt Retainer 17
6 430049 1 Splash Skirt 17 B/E
7 430126 2 Hinge Backing Plate
8 430136 1 Gasket Seal Kit (4)
9 712560 6 SCR-MC ¼-20 x .50 SS
10 712536 6 SCR-MC 10-24 x .62 SS
11 450021 1 Hinge
12 712822 6 SCR-THMS 10-24 x .50 STPL
13 711161 18 SCR-Hi/Lo #10 x ¾ PL