Windsor MERIT MP13 Manuel utilisateur

MERIT POLISHER 98769 09/18/00

Operating Instructions (ENG)

MODELS: MP13 MP17X

MP15 MP20X

MP17 MPDS

MP20

Read these instructions before using the machine.

FLOOR POLISHER

UL APPROVAL

DOES NOT

PPLY TO MPDS.

MERIT POLISHER 98769 12/06/99 1-1

IMPORTANT SAFETY INSTRUCTIONS

When using an electrical appliance, basic precaution

must always be followed, including the following:

READ ALL INSTRUCTIONS BEFORE USING THIS MACHINE.

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

Use only indoors. Do not use outdoors or expose to rain.

Use only as described in this manual. Use only manufacturer’s recommended components and attachments.

If the machine is not working properly, has been dropped, damaged, left outdoors, or dropped into water, return

it to an authorized service center.

Do not operate the machine with any openings blocked. Keep openings free of debris that may reduce airflow.

Machine can cause a fire when operating near flammable vapors or materials. Do not operate this machine near

flammable fluids, dust or vapors.

This machine is suitable for commercial use, for example in hotels, schools, hospitals, factories, shops

and offices for more than normal housekeeping purposes.

Maintenance and repairs must be done by qualified personnel.

During operation, attention shall be paid to other persons, especially children.

The machine shall only be operated by instructed and authorized persons.

When leaving unattended, unplug the machine.

Do not handle the plug or machine with wet hands.

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

Do not use with damaged cord or plug. Follow all instructions in this manual concerning grounding the machine.

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 pull/run machine over cord. Keep cord away from heated surfaces.

Connect to a properly grounded outlet. See Grounding Instructions.

SAVE THESE INSTRUCTIONS



WARNING:

HAZARD INTENSITY LEVEL

MERIT POLISHER 98769 12/06/99

1-2

The following symbols are used throughout this guide as indicated in their descriptions:

HAZARD INTENSITY LEVEL

There are three levels of hazard intensity identified by signal words -WARNING and CAUTION and FOR

SAFETY. The level of hazard intensity is determined by the following definitions:

WARNING - Hazards or unsafe practices which COULD result in severe personal injury or death.

CAUTION - Hazards or unsafe practices which could result in minor personal injury or product or property

damage.

FOR SAFETY: To Identify actions which must be followed for safe operation of equipment.

Report machine damage or faulty operation immediately. Do not use the machine if it is not in proper

operating condition. Following is information that signals some potentially dangerous conditions to the

operator or the equipment. Read this information carefully. Know when these conditions can exist. Locate

all safety devices on the machine. Please take the necessary steps to train the machine operating

personnel.

FOR SAFETY:

DO NOT OPERATE MACHINE:

Unless Trained and Authorized.

Unless Operation Guide is Read and understood.

In Flammable or Explosive areas.

In areas with possible falling objects.

WHEN SERVICING MACHINE:

Avoid moving parts. Do not wear loose clothing; jackets, shirts, or sleeves when working on the

machine. Use Windsor approved replacement parts.

!WARNING

!CAUTION

GROUNDING INSTRUCTIONS

MERIT POLISHER 98769 09/18/00 1-3

THIS PRODUCT IS FOR COMMERCIAL USE

ONLY.

ELECTRICAL:

In the USA this machine operates on a one 15

amp nominal 120V, 60 hz, A.C. power circuit. The

amp, hertz, and voltage are listed on the data

label found on each machine. Using voltages

above or below those indicated on the data label

will cause serious damage to the motors.

GROUNDING INSTRUCTIONS:

This appliance must be grounded. If it should

malfunction or break down, grounding provides a

path of least resistance for electric current to

reduce the risk of electric shock. This appliance

is equipped with a cord having an equipment-

grounding conductor and grounding plug. The

plug must be inserted into an appropriate outlet

that is properly installed and grounded in

accordance with all local codes and ordinances.

This appliance is for use on a nominal 120-volt

circuit, and has a grounded plug that looks like the

plug in “Fig. A”. A temporary adaptor that looks

like the adaptor in “Fig . C” may be used to

connect this plug to a 2-pole receptacle as shown

in “Fig. B”, if a properly grounded outlet is not

available. The temporary adaptor should be used

only until a properly grounded outlet (Fig. A) can

be installed by a qualified electrician. The green

colored rigid ear, lug, or the like extending from

the adaptor must be connected to a permanent

ground such as a properly grounded outlet box

cover. Whenever the adaptor is used, it must be

held in place by a metal screw.

Improper connection of the equipment-

grounding conductor can result in a risk of

electric shock. Check with a qualified

electrician or service person if you are in

doubt as to whether the outlet is properly

grounded. Do not modify the plug provided

with the appliance - if it will not fit the outlet,

have a proper outlet installed by a qualified

electrician.



WARNING:

TECHNICAL SPECIFICATIONS

MERIT POLISHER 98769 09/18/00

2-1

ITEM DIMENSION/CAPACITY

Construction Heavy-duty die cast aluminum deck

with heavy-duty rubber bumper,

tubular steel adjustable handle with

die cast aluminum handle housing

Motor

MP13, MP15, MP17, MP20 1.25 hp

MP17X, MP20X, MPDS 1.75 hp

Brush/Pad speed

MP13, MP15, MP17, MP20, MP17X, MP20X 175 rpm

MPDS 175/300 rpm

Electrical system 115 volts, 60 Hz

Cable 50’ (15 m), 14/3, built in cord wrap

Switches Dual levers with safety lock

Wheels Two 5” (12.7 cm) dia., 1.25” (3 cm)

wide, non-marking tread

Handle 1.5” (4 cm) tubular steel,

adjustable, easy to use thumb

activated safety lock

Dimensions (L x W x H)

13” (33 cm) model 21.0” (53 cm) x 14” (36 cm) x 47”

(119 cm)

15” (38 cm) model 22.0” (56 cm) x 16” (41 cm) x 47”

(119 cm)

17” (43 cm) model 23.0” (58 cm) x 18” (46 cm) x 47”

(119 cm)

20” (51 cm) model 24.5” (62 cm) x 21” (53 cm) x 47”

(119 cm)

HANDLE INSTALLATION

MERIT POLISHER 98769 09/18/00

2-3

The machine is shipped with handle unassembled.

Follow these steps for installation:

1. Remove handle (38291) and deck assembly

from carton.

2. Attach handle assembly to base using hardware

kit (47331) (attached to handle in a plastic bag)

items 1, 2, and 3.

3. Remove bolt, nut and washers (items 4, 5 and

6) from lower block on handle assembly. Attach

links as shown. Tighten bolt and nut securely,

then back off 1/4 to 1/2 turn.

4. Check handle for movement up and down.

5. Plug motor cord into handle cord receptacle.

HANDLE

RECEPTACLE

MOTOR

PLUG

HANDLE

ASSEMBLY

DECK

ASSEMBLY

38291

OPERATION

MERIT POLISHER 98769 04/20/00 2-4

CONTROLS

1. Safety Lock – Prevents unintended operation of

the machine.

2. Switch Levers – Turns machine on/off.

3. Adjustment Handle – Allows the handle to be

adjusted to a comfortable operating position.

OPERATION

For indoor use only.

To prevent possible damage to the floor when

using the brush option, use water or other

approved cleaning solution while operating.

When using the pad option, always keep the

machine moving when in contact with the floor.

High starting torque. Hold machine firmly with

both hands.

1. Ensure that the pad driver or brush is installed

correctly and in good shape. Install or change

pad if necessary.

2. Plug the machine into a wall outlet as described

in the grounding instructions.

3. Lower the handle by unlocking the adjustment

handle and moving the handle into position.

Relock the handle when it is in a comfortable

position.

Insure that handle is locked in position before

starting machine.

4. Push the safety lock forward, unlocking the

switch levers.

5. With the safety lock forward, squeeze one or

both of the switch levers, turning the machine

on. (These levers can be operated

independently of each other). The safety lock

will not re-engage until both levers are released.

6. To stop the machine, release the switch levers.

NOTE: The machine is equipped with a circuit

breaker to protect the motor in the event an overload

condition occurs. The circuit breaker is located on

the rear of the motor. Push the reset button to restart

the machine. If the breaker trips again, correct the

cause of overloading before proceeding.

DAILY MAINTENANCE

1. Inspect power cord for wear. To prevent

electrical shock replace cords with frayed or

cracked insulation immediately.

2. Place machine in the storage position.

3. Check pad condition. Change if soiled or torn.

PAD DRIVER INSTALLATION

1. Lay machine back, exposing the under side.

2. Place pad driver on the motor lug and rotate

clockwise until engaged. To remove, turn

counter-clockwise.

!CAUTION

LOCK

UNLOCK

!WARNING

MAINTENANCE

MERIT POLISHER 98769 12/06/99

2-5

SCRUB BRUSHES

NOTE: All original equipment brushes are equipped

with “Perform Alert”. This feature will tell the

operator when it is time to replace the scrub

brushes. “Perform Alert” brushes have pre-

trimmed bright yellow tufts to indicate the length of a

worn out brush. When the tufts in the scrub brush

wear to a length equal to the yellow tufts, the scrub

brushes should be replaced.

There are five different types of brushes available to

cover applications from cleaning heavily soiled floors

to polishing. A pad driver is also available to take

advantage of the many cleaning pads on the market

and further add to the flexibility of the MERIT.

Please refer to the following to assist in selecting the

proper brush or pad for the work at hand.

UNCOATED FLOORS

Aggressive Grit is a nylon fiber impregnated with

silicone carbide grit. It grinds away stain, soil, and

removes surface material.

Mild Grit is a less aggressive silicone carbide grit

suitable for cleaning medium soil conditions.

Advantages are faster ground speed than nylon

bristles on light solid applications.

Nylon is a general-purpose scrub brush with stiff

bristles. Polypropylene works well for maintaining

concrete, wood and tile floors.

FINISHED FLOORS

Nylon Polish is the softest brush. It will gently clean

finished tile or terrazzo floors without removing floor

finish or floor material. Used for washing highly

polished or burnished floors.

Nylon bristles are used in a variety of applications

on coated or uncoated surfaces.

White Pads (Polishing) are used for dry polishing to

achieve a high-gloss appearance, or surface

washing on highly polished or burnished floors.

Red Pads (Buffing) are used for light-duty

scrubbing. When used with a mild detergent they

will provide surface cleaning without removing the

finish.

Blue Pads (Scrubbing) are used for heavy-duty

scrubbing and light stripping. The blue pads remove

less finish than brown stripping pads, yet will remove

black marks, stains and dirt.

Brown Pads (Stripping) are used for easy and

complete removal of old floor waxes/finishes. They

will quickly remove ground in dirt, black heel marks,

and spills. When used with the proper stripper, this

pad leaves the floor clean and ready for finishing.

The scrub brushes should be checked before each

days work for wire, string, wear and damage. The

scrub brushes should be replaced if brush bristles

are missing or if yellow Perform Alert indicates

minimum brush length.

MACHINE TROUBLESHOOTING

MERIT POLISHER 98769 09/18/00 2-6

PROBLEM CAUSE SOLUTION

Machine will not run Circuit breaker tripped in

building.

Check and reset

Power switch failure Test switch for continuity

and replace if necessary.

Tripped circuit breaker Reset

Faulty power cord Replace

Fuse in motor is blown Replace

CAUTION: To reduce the

risk of electrical shock,

unplug the machine before

opening fuse holder.

Fuse will only open under

extreme conditions.

Investigate cause before

replacing.

Electrical shock Equipment not grounded Follow grounding

instructions exactly.

Receptacle not grounded Have an electrician inspect

building’s wiring.

Internal wiring problem Ensure that the machine

wiring matches the

appropriate wiring

diagram. Replace any

wires or components which

are short circuiting.

Repeated cuicuit breaker tripping Mechanical problem Higher amp draws indicate

a mechanical problem, find

the problem before using

the machine.

Faulty circuit breaker Test circuit for continuity.

Replace circuit breaker if

necessary.

Excessive vibration Pad not centered Re-center pad.

Damaged or unevenly worn

pad.

Replace pad. Do not rest

machine on pad when not

in use.

Damaged pad driver. Replace.

Pad does not turn but motor is

running

Shear coupling has failed Replace coupling

BRUSH/PAD DRIVER GROUP

MERIT POLISHER 98769 12/06/99

3-1

2A-W

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