Graco GrindLazer 25M848, GrindLazer 25M841 Operation, Parts

844-241-9499

Operation/Parts

GrindLazer Standard DC21 E

GrindLazer Standard RC71 E

™

GrindLazer

For removal of materials from flat concrete and asphalt surfaces.
For professional use only.

Model 25M841 - GrindLazer Standard DC21 E / 1hp, 120Vac
Model 25M848 - GrindLazer Standard RC71 E / 1hp, 120Vac

Important Safety Instructions

Read all warnings and instructions in this manual and the
grinder manual. Be familiar with the controls and the
proper usage of the equipment. Save all instructions.

3A5575A

EN

Contents

Contents

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

GrindLazer Standard DC21 E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

GrindLazer Standard RC71 E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Machine Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Cutting Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Parts - Grindlazer Standard DC21 E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Parts - Grindlazer Standard RC71 E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Warnings

WARNING

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this
equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols
refer to procedure-specific risks. When these symbols appear in the body of this manual or on
warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not
covered in this section may appear throughout the body of this manual where applicable.

DUST AND DEBRIS HAZARD

Grinding concrete and other surfaces with this equipment can create dust that contains hazardous
substances. Grinding can also create flying debris.
To reduce the risk of serious injury:

• Control the dust to meet all applicable workplace regulations.

• Wear protective eyewear and a properly fit-tested and government approved respirator suitable for
the dust conditions.

• Use equipment only in a well-ventilated area.

• Grinding equipment must be used only by trained personnel who understand the applicable
workplace regulations.

ROTATING PARTS HAZARD

Rotating parts can cut or amputate fingers and other body parts.

• Keep clear of rotating parts.

• Do not operate equipment with protective guards or covers removed.

• Before checking, moving, or servicing equipment, disable power supply.

BURN HAZARD

Equipment surfaces that are heated can become very hot during operation. To avoid severe burns, do
not touch hot equipment. Wait until equipment has cooled completely.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not leave the work area while equipment is energized. Turn off all equipment when equipment
is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.

• Do not alter or modify equipment.

• Use equipment only for its intended purpose. Call your distributor for information.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

• Maintain a safe operating distance from other people in the work area.

• Avoid any pipes, columns, openings, or any other objects protruding from work surface.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or when in the operating
area of the equipment to help protect you from serious injury, including eye injury, inhalation of dust or
chemicals, burns, and hearing loss. This equipment includes but is not limited to:

• Protective eye wear.

• Protective shoes.

• Gloves.

• Hearing protection.

• Properly fit-tested and government approved respirator suitable for the dust conditions.

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Warnings

WARNING

120V US

ELECTRIC SHOCK HAZARD

This equipment must be grounded. Improper grounding, setup, or usage of the system can cause
electric shock.

• Turn off and disconnect power cord before servicing equipment.

• Connect only to grounded electrical outlets.

• Use only 3-wire extension cords.

• Ensure ground prongs are intact on power and extension cords.

• Do not expose to rain. Store indoors.

GROUNDING

This product must be grounded. In the event of an electrical short circuit, grounding reduces the risk
of electric shock by providing an escape wire for the electric current. This product is equipped with a
cord having a grounding wire with an appropriate grounding plug. The plug must be plugged into an
outlet that is properly installed and grounded in accordance with all local codes and ordinances.

• Improper installation of the grounding plug is able to result in a risk of electric shock.

• When repair or replacement of the cord or plug is required, do not connect the grounding wire to
either flat blade terminal.

• The wire with insulation having an outer surface that is green with or without yellow stripes is the
grounding wire.

• Check with a qualified electrician or serviceman when the grounding instructions are not
completely understood, or when in doubt as to whether the product is properly grounded.

• Do not modify the plug provided; if it does not fit the outlet, have the proper outlet installed by a
qualified electrician.

• This product is for use on a nominal 120V circuit and has a grounding plug similar to the plugs
illustrated in the figure below.

• Only connect the product to an outlet having the same configuration as the plug.

• Do not use an adapter with this product.

Extension Cords:

• Use only a 3-wire extension cord that has a grounding plug and a grounding receptacle that
accepts the plug on the product.

• Make sure your extension cord is not damaged. If an extension cord is necessary, use 12 AWG
(2.5 mm

• An undersized cord results in a drop in line voltage and loss of power and overheating.

2

) minimum to carry the current that the product draws.

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