Minuteman MC20004CE Leitfaden

200X

Brush Drive

Floor Scrubber

Electric

Model: MC20003QP

MC20004CE

Revised 6/02

OPERATION SERVICE PARTS CARE

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

Back Panel Assembly 15

Squeegee Lift & Mechanism Assembly 16

Squeegee Assembly Complete 17

Wiring Diagram, 115V 18

Wiring Diagram, 230V CE 19

FOR COMMERCIAL USE ONLY

IMPORTANT SAFETY INSTRUCTIONS

When using an electrical appliance, basic precautions should always be followed, including the

following:

READ ALL INSTRUCTIONS BEFORE USING

WARNING - To reduce the risk of fire, electric shock, or injury:

• Do not leave appliance when plugged in. Unplug from outlet when not

in use and before servicing, cleaning or maintaining.

WARNING

To reduce the risk of electric shock - Do not expose to rain. Store indoors.

• Do not allow to be used as a toy. Close attention is necessary when used

by or near children.

• This machine shall be used only by instructed and authorized persons.

• Use only as described in this manual. Use only manufacturer’s recommended

attachments.

• Inspect cord regularly. Do not use with damaged cord or plug. If appliance

is not working as it should, has been dropped, damaged, left outdoors, or

dropped into water, return it to a service center. Use only cord specified

by manufacturer.

• Do not pull or carry by cord, use cord as a handle, close a door on cord, or

pull cord around sharp edges or corners. Do not run appliance over cord.

Keep cord away from heated surfaces.

• Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.

• Do not handle plug or appliance with wet hands.

• Do not put any object into openings. Do not use with any opening blocked;

keep free of dust, lint, hair, and anything that may reduce air flow.

• Keep hair, loose clothing, fingers, and all parts of body away from openings

and moving parts.

• Do not pick up anything that is burning or smoking, such as cigarettes,

matches, or hot ashes.

• Do not use without dustbag and/or filters in place.

• Turn off all controls before unplugging.

• Use extra care when cleaning on stairs.

• Do not use to pick up flammable or combustible liquids such as gasoline or

use in areas where they may be present.

• Connect to a properly grounded outlet only. See grounding instructions.

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

• Close tank and lid before use.

SAVE THESE INSTRUCTIONS

INSPECTION

Carefully unpack and inspect your machine for shipping damage. Each unit is tested and

thoroughly inspected before shipment, and any damage is the responsibility of the delivery

carrier who should be notified immediately.

WARNING

• Read Instruction Manual before operating this piece of equipment.

• To reduce the risk of fire use only commercially available floor cleaners and

waxes intended for machine application.

• To reduce the risk of electrical shock, do not expose to rain. Store indoors.

• Do not cross over supply cord, hazard exists when rotating brush passesover cord.

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

materials and vapors. Do not use this machine near flammable materials such as

solvents, thinners, fuels, grain dust, etc.

ELECTRICAL

(Model MC20003QP) This floor machine is designed to operate on a standard 15 amp.

120 volt, 60 hz, AC circuit. Voltages below 105 volt AC or above 125 volts AC could cause

serious damage to the motor.

(Model MC20004CE) This machine is designed to operate on a standard 16 amp. type L

fused 230 volt, 50 hz, AC circuit. Voltages below 200 volt AC or above 250 volts AC could

cause serious damage to the motor I.E. C. Class 1.

GROUNDING INSTRUCTIONS

• This floor finishing machine should be grounded while in use to protect the operator from

electric shock. The machine is equipped with a three-prong grounding type attachment

plug to fit the proper grounding type receptacle. The green (or green and yellow)

conductor in the cord is the grounding wire. Never connect this wire to other than the

grounding blade.

• If the machine is provided with an attachment plug as shown in Sketch A it is intended

for use on a 120-volt (nominal) circuit. If a properly grounded receptacle as shown in

Sketch A it is intended for use on a 120-volt (nominal) circuit. If a properly grounded

receptacle as shown in Sketch A is not available, an adapter as shown inSketch C is

available and should be installed as shown in Sketch B if the outlet box that houses the

receptacle is grounded. Be sure to fasten the grounding tab with the faceplate screw.

ADAPTER (Not applicable in Canada)

METAL SCREW

GROUNDING

COVER OF GROUNDED MEANS

OUTLET BOX

GROUNDING PIN (C)

(A) (B)

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. Receptacle

9. Circuit breaker

10. Main power

11. Brush switch

12. Vacuum switch

13. Pump switch (optional)

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 STATING, FAMILIARIZE YOURSELF WITHTHE 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 pressing the 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 (11).

6. Adjust solution control feed lever (4).

7. Turn on vacuum switch (12).

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

After Use:

1. Turn off solution feed (4).

2. Switch off brush (11) and raise (7).

3. Raise squeegee assembly (1).

4. Turn off vacuum motor (12).

Solution and recovery tanks should be emptied after every use.

MAINTENANCE:

Daily 1. Clean float assembly & squeegee blades. Vac filter.

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

Squeegee Adjustment

The squeegee set-up is pre-adjusted

at the factory. Adjustments may be required

to get optimum performance for different

floors and conditions.

Pitch Control Adjustment

1. Ensure that the scrubber is on

a relatively flat surface. Pull the

red emergency button away from

the dashboard to activate power.

Turn on the main power switch

and turn the key switch. Raise

the scrubhead off the floor.

Turn the vacuum switch.

2. Lower the squeegee (item 1)

to the floor and move the

machine one or two feet

forward to check the rear

squeegee blade 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, pitch adjustment is necessary. Loosen the pivot screw (item 2) and the pitch

screw (item 3). Move the machine forward and allow the squeegee to level itself or adjust

the angular position accordingly to achieve a uniform blade deflection. Re-tighten screws.

5. In certain applications where a different blade set-up is required, the reinforcement blade

(item 4) may be turned upside down. The notch, which is normally on the bottom will now

be located on the topside. This allows the rear squeegee blade a larger deflection than

normal.

BRUSH INSTALLATION - REMOVAL

INSTALLATION

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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