Edco Magna-trap 2d-hdg Assembly instructions

2DHD-I-0515

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Page 1

EQUIPMENT DEVELOPMENT CO., INC.

Operators Instruction Manual

2D-HD

ELECTRIC

PROPANE

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READ AND UNDERSTAND THE OPERATORS INSTRUCTION MANUAL THOROUGHLY

BEFORE ATTEMPTING TO OPERATE THIS EQUIPMENT.

Death or serious injury could occur if this machine is used improperly.

Extreme care must be taken when operating electric

models with water present: Ensure power cord is prop-

erly grounded, is attached to a Ground-Fault-Interrupter

(GFI) outlet, and is undamaged.

•Check all electrical cables - be sure connections are tight and

cable is continuous and in good condition. Be sure cable is

correctly rated for both the operating current and voltage of

this equipment.

•Improper connection of the equipment-grounding conductor can

result in a risk of electric shock. Check with qualied electri-

cian or service person if there is any doubt as to whether the

outlet is properly grounded. Adhere to all local codes and

ordinances.

•NOTE: In the event of a malfunction or breakdown, grounding

provides a path of least resistance for the electric current to

dissipate. The motor is equipped with a grounded plug and

must be connected to an outlet that is properly installed and

properly grounded. DO NOT modify the plug provided on the

motor. If the plug does not t the outlet have a qualied electri-

cian install the proper receptacle.

•Switch motor OFF before disconnecting power.

•Engine exhaust from this product contains

chemicals known to the State of California to

cause cancer, birth defects or other reproduc-

tive harm.

•Gasoline is extremely ammable and poisonous.

It should only be dispensed in well ventilated areas,

and with a cool engine.

•Small gasoline engines produce high concentra-

tions of carbon monoxide (CO) example: a 5 HP 4 cycle

engine operation in an enclosed 100,000 cu. ft. area with

only one change of air per hour is capable of providing

deadly concentrations of CO in less than fteen minutes.

Five changes of air in the same area will produce noxious

fumes in less than 30 minutes. Gasoline or propane pow-

ered equipment should not be used in enclosed or partially

enclosed areas. Symptoms of CO poisoning include, head-

ache, nausea, weakness, dizziness, visual problems and

loss of consciousness. If symptoms occur - get into fresh

air and seek medical attention immediately.

SAFETY

MESSAGES

SAFETY MESSAGES

Indicates an imminent hazard which, if not

avoided, will result in death or serious injury.

Indicates an imminent hazard which, if not

avoided, can result in death or serious injury.

Indicates hazards which, if not avoided, could

result in serious injury and or damage to the

equipment.

•Safety Instructions are proceeded by a graphic alert symbol

of DANGER, WARNING, or CAUTION.

ELECTRICAL POWERED EQUIPMENT

GASOLINE/PROPANE POWERED EQUIPMENT

•Equipment should only be operated by trained personnel in

good physical condition and mental health (not fatigued). The

operator and maintenance personnel must be physically able

to handle the bulk weight and power of this equipment.

•This is a one person tool. Maintain a safe operating distance

to other personnel. It is the operators’ responsibility to keep

other people (workers, pedestrians, bystanders, etc.) away

during operation. Block off the work area in all directions with

roping, safety netting, etc. for a safe distance. Failure to do so

may result in others being injured by ying debris or exposing

them to harmful dust and noise.

•This equipment is intended for commercial use only.

•For the operator’s safety and the safety of others, always keep

all guards in place during operation.

•Never let equipment run unattended.

•Personal Protection Equipment and proper safety attire must

be worn when operating this machinery. The operator must

wear approved safety equipment appropriate for the job such

as hard hat and safety shoes when conditions require. Hear-

ing protection MUST be used (operational noise levels of this

equipment may exceed 85db). Eye protection MUST be worn

at all times.

Keep body parts and loose clothing away from moving

parts. Failure to do so could result in dismemberment

or death.

•Do not modify the machine.

•Stop motor/engine when adjusting or servicing this equipment.

Maintain a safe operating distance from ammable

materials. Sparks from the cutting-action of this machine

can ignite ammable materials or vapors.

GENERAL INSTRUCTIONS

DUST WARNING

Some dust created by power sanding, sawing,

grinding, drilling, and other construction activi-

ties contains chemicals known to cause cancer,

birth defects, or other reproductive harm. Some

examples of these chemicals are:

•Lead from lead-based paints, and

•Crystalline silica from bricks and concrete and other

masonry products.

Your risk of exposure to these chemicals varies depending

on how often you do this type of work. To reduce your risk:

work in a well ventilated area, use a dust control system, such

as an industrial-style vacuum, and wear approved personal

safety equipment, such as a dust/particle respirator designed

to lter out microscopic particles.

•Do not disconnect power by pulling cord. To disconnect, grasp

the plug, not the cord.

•Unplug power cord at the machine when not in use and before

servicing.

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2DHD-I-0515

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Page 3

Note:

All dimensions and

weights are for

reference only

and subject to change at

any time.

Figure 1

SPECIFICATIONS

Section Page Number

Table of Contents

Safety/Warnings......................................................................................................

Specications/Table of Contents.............................................................................

Operating Controls..................................................................................................

SMI Dust and Silica Warning..................................................................................

Procedure for attaching a vacuum. ........................................................................

Operating Instructions.............................................................................................

Procedure for adjusting or replacing drive belts......................................................

Procedure for installing and removing accessories.................................................

Procedure for lubricating ange bearings...............................................................

Maintenance Instructions........................................................................................

Maintenance Schedule...........................................................................................

Limited Equipment Warranty...................................................................................

Back Inside Cover

“A”

“B”

“C”

Weight

26” 66cm

44” 122cm

58 1/2” 149cm

370 lbs. 168kg

26” 66cm

40 1/2” 102cm

47 1/2” 121cm

330 lbs. 150kg

Electric

Propane

WEIGHT BLOCKS 40 lbs Each 18kg

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Page 4

Operating Controls

Please Note:

Controls shown are for the model indicated.

The location of these controls may vary on different models.

Due to improvements and changes the illustration shown may vary from your machine.

Figure 2

Engine

Dust Skirt

Water Hook-up

and on/off

valve hidden

6 Grease

points

3 Top

3 Bottom

Leveling Crank

Ignition Switch

Folding

Handle

Removable

Weights

Lifting Bail

Multi-

Vacuum port

hidden

Head Lamp

Switch

Head Lamp

Propane Tank

Grinding/cutting/drilling of masonry, concrete, metal and other materials can generate dust, mists and fumes

containing chemicals known to cause serious or fatal injury or illness, such as respiratory disease, cancer,

birth defects or other reproductive harm. If you are unfamiliar with the risks associated with the particular

process and/or material being cut or the composition of the tool being used, review the material safety data sheets and/or

consult your employer, the manufacturers/suppliers, governmental agencies such as OSHA and NIOSH and other sources on

hazardous materials. California and some other authorities, for instance, have published lists of substances known to cause

cancer, reproductive toxicity, or other harmful effects.

Control dust, mist and fumes at the source where possible. In this regard use good work practices and follow the recommen-

dations of the manufacturers/suppliers, OSHA/NIOSH, and occupational and trade associations. Water should be used for

dust suppression when wet grinding/cutting/drilling is feasible. When the hazards from inhalation of dust, mists and fumes

cannot be eliminated, the operator and any bystanders should always wear a respirator approved by NIOSH/MSHA for the

material being used.

Grinding/cutting/drilling of masonry, concrete and other materials with silica in their composition may give

off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz, brick clay, granite

and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne crystalline

silica can cause serious or fatal respiratory diseases, including silicosis. In addition, California and some

other authorities have listed respirable crystalline silica as a substance known to cause cancer. When grinding/cutting/drilling

such materials, always follow the respiratory precautions mentioned above.

SMI Dust and Silica Warning

Transport

Wheels

Cord/hose

guide

Leveling Crank

Starter Box

Folding

Handle

Electrical

Plug

Multi-

Vacuum port

Transport

Wheels

Water Hook-up

and on/off

valve

Dust Skirt

6 Grease

points

3 Top

3 Bottom

Removable

Weights

Lifting Bail

Electric

Motor

Motor Reset

Button

Propane Electric

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Page 5

• Read and understand all operating instructions before operating this equipment. Death or serious

injury can result if this machine is used improperly.

• Concrete grinders and polishers are designed to be used to grind and polish at horizontal concrete

slabs using EDCO approved accessories.

• The machine is equipped with a propane engine or an electric motor.

• The machine is designed to be controlled by a single operator from a position at the rear of the machine.

• When operating equipment maintain a safe distance from other personnel in the area.

Be sure to read the complete instructions supplied with your machine.

IMPORTANT: Perform Pre-Start Check.

• Visually inspect the equipment for wear or damage.

• Be sure skirts are in place and functioning properly. Do not operate unless all skirts are in place and secure.

• Perform all maintenance according to schedule on page 10 of this manual.

• Check to be sure water tubes are functioning properly if performing wet-polishing operations.

• Inspect accessories - Be sure the correct accessory is installed properly on the machine for it’s intended use.

• Check accessories for damage, the type of wear or damage will vary with the type of accessory.

• Inspect work area to determine the presence and location of deck inserts, pipes, columns and objects protruding from

the slab surface so that they may be avoided during the polishing operation.

• FOR WET POLISHING: Use just enough water to create a slurry and contain the slurry with an external stand alone

wet vac and wand or equivalent method.

Operating Instructions

If using a vacuum for dust control attach it to the vacuum port at the rear of the machine. The multi-vac port is circled

in the photo above.

PROCEDURE FOR ATTACHING A VACUUM

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2DHD-I-0515

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Page 6

• WHEN HOISTING OR LIFTING THE MACHINE : DO NOT lift machine by the operating handle as shown in the

photo below on the left, damage to machine will result, use the lifting bail located above the engine or in front of the

motor mount as shown and circled in the photos below.

• BEFORE STARTING THE MACHINE: Turn the hand crank shown (circled) in the photo below counter clockwise to

lower the machine and clockwise to raise the machine. Adjust the machine so it is on the same plane (level) as

the surface being worked on. Make sure electric clutch switch is in the off position.

• START ENGINE: Allow it to warm up. Position the machine at the starting point (see above). Engage electric clutch.

Use a slow sweeping motion from left to right and back continuously, do not force the machine into the work, the machine

should glide on the surface and the engine or motor should not strain. Do not allow machine to sit in one place too long.

Damage to the surface or accessories can result.

•START MOTOR: Press green button to start. Raise machine slightly from surface until motor comes up to speed. Return machine

to level. Press red button to stop.

• WHEN WET POLISHING: Water is required. Attach the water hose to the water hook-up valve. Use the valve to

control the ow of water.

• FOR DRY GRINDING: Provide a respirator and dust control system.

• TO STOP THE MACHINE: (PROPANE) Turn off the water supply when used. Turn off light (if on). Disengage clutch. Turn off

propane tank. Let propane purge from system. Turn ignition switch off. (ELECTRIC) Turn power switch off.

• WHEN MOVING THE POLISHER AROUND THE WORK AREA: Tilt polisher back on it’s wheels so the

accessories do not make contact or strike the slab surface during movement. Damage to accessories may occur

with inadvertent contact with the slab.

• IF THE ENGINE STOPS: Turn the ignition switch to the off position. Raise the polisher off of the oor.

Then inspect the accessories for damage. Replace all damaged (or questionable) accessories immediately.

Level machine, start engine, engage electric clutch and continue polishing.

• BEFORE TRANSPORTING THE MACHINE: Stop machine by turning off before lifting or removing any accessory.

See the directions for changing accessories on page 8.

Operating Instructions

Always maintain machine

level with surface. When on

a level surface this is easily

adjusted by using a bullet

level placed on the machine

as shown in photo on right.

Electric

Clutch Switch

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Page 7

PROCEDURE FOR ADJUSTING OR REPLACING DRIVE BELTS

Remove the belt from the engine/motor and pinion shaft

sheaves.

Reverse the previous steps to install new belt(s). Slide

engine/motor mount towards the rear of the machine and

adjust belt tension, re-tighten all four (4) cap screws as ex-

plained above. Replace hood and tighten cap screws.

NOTE: New belt(s) should be retensioned after machine has

been used for 4 hours.

NOTE: The following applies to both sides of the machine.

To adjust the drive belt tension loosen two (2) cap screws

securing the engine/motor mount to the frame on both sides

of the machine.

Slide the engine/motor mount to the rear of the machine to

increase belt tension.

Re-tighten the four (4) cap screws loosened earlier main-

taining pressure on the engine/motor mount to prevent belt

from loosening.

To replace the belts, remove the hood by removing two (2)

cap screws, one on each side of the machine. Remove the

cover and sit aside.

Loosen the four (4) cap screws as in the above step to

adjust belt(s) tension and slide the engine/motor mount

forward as far as it will go, this will allow enough belt slack

for easy belt removal.

Hood covers pinion sheave, belt and ange bearings.

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Page 8

PROCEDURE FOR INSTALLING AND REMOVING ACCESSORIES

NOTE: THE ABOVE ILLUSTRATION IS VIEWING THE MACHINE FROM THE FRONT BOTTOM.

PROCEDURE FOR LUBRICATING FLANGE BEARINGS

To grease the ange bearings attach the grease gun to the grease ttings and give only two (2) pumps on the grease

gun every 50 hours of use. If excessive over lubrication is done grease will leak onto the work surface causing pos-

sible damage and wasted cleanup time.

The hood has grease point access for the ange bearings as shown in the photo above left, two holes are located on

this side of the machine and one on the opposite. The grease points are circled in the photos above. There are duplicate

grease ttings on the underside of the machine in the photo on the right. The skirt will have to be removed to access

these grease points. There are a total of six (6) grease points, three (3) on top and three (3) on the bottom.



Direction

rotation



Direction

rotation

To install an accessory, there are several different types but all install in the same manner. On each of the accessory

holders there are (3) positions for accessories. To install an accessory slide accessory into holder in direction of white

arrows. Repeat for the other positions on this holder and then repeat for the other accessory holder.

To remove an accessory, there are several different types, all are removed in the same manner. To remove an acces-

sory slide towards the center of the accessory holder and out. If binding is encountered use a rubber mallet, not a

hammer, to tap it out of the holder.

Three

grease

ttings

circled

photo

left.

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MAINTENANCE INSTRUCTIONS

1. Disconnect the spark plug wire(s) from the spark plug(s). All maintenance to be performed by qualied

personnel. Never service machine while it is running.

2. Never work under equipment without rst properly securing the equipment to prevent it from moving, slipping or fall-

ing. Always work on a at and level surface.

3. Grease bearings after every 50 hours of use. Refer to page 8 for lubrication points.**

4. Perform a visual inspection of the entire machine before each operation. Be sure all fasteners are tight and secure,

check for signs of metal cracking or fatigue, inspect for damage to electrical wiring, check bearings and inspect to be

sure proper guards are in place and secure.

5. Inspect belts before each operation. Check belt tension. On new equipment belts should be re-tensioned after the

rst four hours of use. Damaged, stretched or excessively worn belts should be replaced with new belts for maximum

power transfer.

To tension the belt, loosen engine mounting hardware slightly. Adjust the engine position towards the back of the machine

until the belts are tight. Re-tighten the engine mounting hardware, refer to page 7.

Proper belt tension must be maintained to transmit the engine power to the polishing discs. A slipping belt will overheat

and polishing speed limited. An over tensioned belt will shorten the belt and bearing life.

6. Before operation, check Disc(s) to be sure they are tight. Disc(s) may loosen with use. Tighten bolts (4 on each disc)

as required.

** Gear Case

The gear case of your machine has been pre-lubricated at the factory with approximately 3 pounds of lubriplate, No.

630-2 grease. We recommend it’s continued use.

Each machine has an inspection hole in the gear case top plate to enable you to check the amount of grease in the case.

Remove this cover with the end of a screwdriver, if grease is visible do not add any. If you cannot see the grease, add a

small amount (1 pound is usually more than enough). Do not overll. The grease in the gear case should last from three

to ve years before there is any need to rell, add or change.

Each machine has ange bearings on top and bottom of the machine. All bearings are self-aligning, sealed units equipped

with grease ttings. These bearings should be lubricated every 50 hours of operation with Lubriplate No. 630-2, or other

quality bearing grease. DO NOT over lubricate.

An occasional drop or two of oil on the wheel bearings will help prevent binding.

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Page 10

Maintenance Schedule

Repairs are to be

performed by authorized

EDCO DEALERS only.

Read and follow all instructions

in the Engine/Motor Manufacturer’s

Owner’s manual.

Visual Inspection of

Entire Machine

Grease Bearings

Inspect Drive Belts

Inspect Polishing Discs

Belt Tensioning

Clean Dust & Dirt

Off of machine

Before Operation

Every 4 Hours

Daily

Every 50 Hours

of Operation

As Required

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