Minuteman MC20000QP Bedienungsanleitung

200X

Brush Drive

Floor Scrubber

Battery

Model: MC20000QP, CE

OPERATION SERVICE PARTS CARE

Revised 9/03

TABLE OF CONTENTS

Page

Safety Instructions 1

Electrical Requirements 2

Control Panel Identification 3

Operating Instructions 4

Squeegee Adjustments 5

Brush Installation/Removal 6

Base Assembly 7 & 8

Tank Assembly 9 & 10

Upper Assembly 11

Console Assembly 12

Motor Lift Assembly 13

Scrubhead Assembly 14

Dashboard & Back Panel Assembly 15

Squeegee Lift & Mechanism Assembly 16

Squeegee Assembly Complete 17

Wiring Diagram 18

Wiring Diagram - CE 19

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:

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. Raise tank assembly by gripping the front of the tank and lift the tank

backward as shown in Fig. 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.

1. Squeegee lift lever

2. Recovery dump hose

3. Dashboard control panel

4. Solution control lever

5. Solution dump hose

6. Quick disconnect aux. out (optional)

7. Food pedal

8. Circuit breaker - Brush

9. Circuit breaker - Vac

10. Main power

11. Emergency button

12. Brush switch

13. Pump switch

14. Vacuum switch

15. Battery gauge

COMPARISON RECOMMENDED

TYPE DESCRIPTION DURABILITY* COLOR TO PADS USE

Bassine Natural Fiber Short Dark Brown Red Light duty

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 Blue Red General scrubbing,

with 500 Grit vinyl tile, ceramic

Silicon 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 Blue Black Heavy duty

with 46 Grit stripping/scrubbing

Silicon Carbide unfinished concrete

Coarse Bristle

AUTO SCRUBBER BRUSH DESCRIPTION

••

•

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

OPERATING INSTRUCTIONS

BEFORE STARING, FAMILIARIZE YOURSELF WITH THE MACHINE AND ITS CONTROLS

(SEE “MACHINE OVERVIEW” & CONTROL PANEL DIAGRAMS)

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 machine by lifting the red emergency disconnect button (11) so it is in the up

position. Turn on main power switch (10).

4. Lower brush assembly.

- To lower the brush, first push the pedal (7) slightly outward on the machine

(unlock it), and then release it slowly.

- To lift the brush, press the pedal (7) down until lift mechanism engages.

5. Turn on brush (12).

6. Adjust solution control feed lever (4).

7. Turn on vacuum switch (14).

8. Lower squeegee assembly by lowering handle (1).

After Use:

1. Turn off solution feed (4).

2. Switch off brush (12) and raise (7).

3. Raise squeegee assembly (1).

4. Turn off vacuum motor (14).

Solution and recovery tanks should be emptied after every use.

MAINTENANCE:

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 front wheels.

3. Grease pivot points on brush motor assembly.

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

drive motor.

SQUEEGEE ADJUSTMENTS

The squeegee set up is pre adjusted at the factory. Adjustments may be required to get optimum

performance for different floors and conditions.

1 Ensure that the scrubber is on a relatively flat surface. Turn on the main power switch and lower the

scrubhead assembly to the floor.

2 Lower the squeegee (item 1) to the floor. Move the machine one or two feet forward to check the rear

squeegee blade (item 8) for uniform deflection to the floor.

3 If uneven deflection or lay is evident, minor adjustments may be necessary to avoid streaking and

uneven wear on the blade.

4 To correct this, loosen the wing jam nut (item 4) in order to adjust the castor height. If the squeegee

blade is deflecting too much, the castors need to be lowered to control the down pressure. Lower the

castor by turning the exposed threaded stem (item 9) on the castor clockwise. Make the adjustment a

few turns at a time. Repeat Step 2.

5 If the blades are not deflecting enough, raise the castor by turning the stem counter clockwise to adjust

the castor height to allow more down pressure on the squeegee. Repeat Step 2.

6 Make sure that there is an even deflection on the entire length of the rear blade. Adjust the castors and

retighten the wing jam nuts to lock the castor setting in place.

7 Pitch adjustment is necessary if the outer ends on the squeegee blade does not contact the floor and

there is too much deflection in the middle area or if the outer ends are over deflected and there is no

contact in the middle.

8 To adjust the pitch, lower the squeegee to the floor. Loosen the lock nut (item 3) in the turnbuckle

assembly. Turning the turnbuckle (item 2) clockwise or counter clockwise controls the forward and

backward pitch of the squeegee. Having the rear blades deflected uniformly along the entire length is

the desired set up.

9 Repeat Step 2 until the desired set up is achieved.

10 In certain applications where a non-slotted front wiper blade (item 6) is needed, detach the squeegee

assembly by loosening the wing bolts (item 7). Unlock the clamp on the front squeegee to release the

straps and flip the blade over to the non-slotted side. Reattach straps and lock the clamp back in place.

11 You can also easily replace the rear blade by unlatching the latch (item 5) and removing the straps by

sliding them off the assembly.

BRUSH INSTALLATION - REMOVAL

INSTALLATION

Brush Drive

1. Raise the scrubhead to the “UP” position by depressing the pedal (A)

downward as shown on Fig. 1.

2. Center brush (D) under the scrubhead shroud while lining up the center

hex drive hub and pressing the brush up until the brush engages on the

drive hub.

REMOVAL

1. Raise the scrubhead to the “UP” position by depressing the pedal (A) downward

as shown on Fig. 1.

2. Remove the brush (D) by stepping on the “BRUSH RELEASE PIN” on the top of

the scrubhead shroud as shown on Fig. 1 below.

Figure 1

BASE ASSEMBLY

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