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Operation
™
3A0101B
GrindLazer
Patents Pending
ENG
- Designed to grind flat, horizontal concrete or asphalt surfaces. For removal of materials
from concrete and asphalt surfaces. For professional outdoor use only -
Model 571002 - Forward cut
GrindLazer 270 (270 cc / 9 hp)
Model 571003 - Forward cut
GrindLazer 390 (390 cc / 13 hp)
™
Model 571004 - Reverse up-cut (Must be used with LineDriver )
GrindLazer 480 (480 cc / 16 hp)
IMPORTANT SAFETY INSTRUCTIONS
Read all warnings and instructions in
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Warnings 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 symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. WARNING DUST AND DEBRIS HAZARD Use of this equipment to grind concrete and other paving materials can result in the release o
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Warnings WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: � Use equipment only in well ventilated area. � Do not fill fuel tank while engine is running or hot; shut off engine and let it cool. Fuel is flammable and can ignite or explode if spilled on hot surface. � Keep work area free of debris, including solvent, rags and gasoline. � Keep a fire extinguisher in work area. CARBON MONOXIDE
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Component Identification Component Identification 270 and 390 Models N D F C E B A D C G B A ti14753a 480 Models K H M Component Description A Engine Throttle Lever Adjusts engine speed. B Engine Stop Switch Supplies power to Engine C Emergency Shut-Off Clamps onto the operator and shuts engine off if cord is disconnected during operation. D Drum Adjustment Dial Sets depth of drum cut. E Drum Engage Lever When lever is engaged, handle bars can be pushed down to raise the cutting drum off of
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Operation Operation The GrindLazer is designed to plane flat, horizontal con- Start-Up crete or asphalt slabs. GrindLazer 270 (270 cc) and GrindLazer 390 (390 cc) models are designed to be operated by a single opera- tor positioned at the back of the unit, or in conjunction with LineDriver. GrindLazer 480 (480 cc) can ONLY be operated with LineDriver. Before starting engine, perform the following: � Read and understand engine manual Maintain a safe operating distance from other people in t
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Operation Drum Installation/Replacement 3. Lower Drum Adjustment Dial (D) and pull Drum Installation Engage Lever (E) so drum rests on ground. NOTE: Carbide Flail Cutter drums do not require specific orientation or direction. Carbide Millers and Diamond Blades are directional. They should be stacked so that the arrows on the Millers and Blades face the same direction as the rotation of the drum. ti14756a ti14755a Door pin and hole should line up. Carbide Miller Diamond Blade ti15141a ti15
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Operation Starting the Engine 7. Start Engine: a. Move fuel valve to open. 3. Engage Rear Wheel Brake (G) to prevent Grind- Lazer from moving. ti5248a 270/390 Models 480 Models b. Move choke to closed. ti14754a ti5249a 4. 480 Models Only: Attach LineDriver to GrindLazer. 270/390 Models 480 Models c. Set Engine Power Switch (B) to ON. ti14872a ti3315a 270 & 390 Models 480 Models ti15089a d. Pull starter cord. 5. Push down on handle bars until drum is locked into UP position. ti5263a e. After en
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Operation Cutting Material 5. Push down on handle bars, pull engagement lever, and lower drum into DOWN position. 1. Start Engine, see page 7. 2. Connect Emergency Shut-Off Cord (C) to operator. ti14755a 6. Rotate Drum Adjustment Dial (D) until drum comes into contact with surface and desired depth is ti14762a reached. 3. Disengage Rear Wheel Brake (G). ti14757a 4. Slide Engine Throttle Lever (A) to desired setting. ti14756a NOTE: Several test cuts may be needed to dial-in desired cutting
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Operation Depth Control Wheels How to Level the Drum To properly level the drum, GrindLazer must be resting Using Depth Control Wheels as a 5 in. or on a flat level surface. 10 in. Wide Cutting Guide 1. Make sure drum is properly installed (see Drum To make a 5 in. cut, install two spacers (S) on outside Replacement, page 6). of Depth Control Wheels (K). 2. Push down on handle bars, pull engagement lever, K K and lower drum into DOWN position. S S 3. Loosen (but do not remove) three bolts
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Operation Stop Cutting Material 3. Turn Engine Power Switch (B) OFF. ti15176a ti15177a 1. Push down on handle bars until drum is locked into UP position. 270 & 390 Models 480 Models Clean Up Clean the entire exterior of the machine after it has cooled at the end of each work day. Check for worn or damaged parts and perform any required Maintenance, page 12. ti14758a 2. Slide Engine Throttle Lever (A) to low setting. ti6482a 10 3A0101B
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Cutting Drum Assemblies Cutting Drum Assemblies NOTE: Each increment on Drum Adjustment Dial (D) is 0.010 in. (0.25 mm) depth change of cutting drum. Avoid touching or handling drum after use until it has completely cooled. Different drum configurations can be used for different applications. There are three different types of drum assemblies compatible with the GrindLazer: carbide flails, carbide millers, and diamond blades. Carbide Flail Cutter/Assembly Gradually adjust depth down to remo
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Maintenance Maintenance � Insert grease into the grease fittings on the drum mount and center hinge Avoid touching engine and drum after use until they have completely cooled. The following steps should be performed to maintain proper operation and sustain the life of the GrindLazer. BEFORE OPERATION: � Visually inspect the entire unit for damage or loose ti14760a connections � Check engine oil (see engine manual) AS REQUIRED: � Check drum bushings and cutters � Check drive belt and tension
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Technical Data Technical Data GrindLazer 270 (Model 571002) Dimensions Unpackaged Packaged Height in./cm: 46 (116.8) 50.5 (128.3) Width in./cm: 28 (71.1) 37 (94.0) Length in.cm: 62 (157.5) 73 (185.4) Weight lb/kg: 300 (136) 400 (181) Noise (dBa) Sound Power per ISO 3744: 107.3 Sound Pressure measured at 91.6 3.1 feet (1m): 2 Vibration (m/sec ) per ISO 3744 Without LineDriver: 7.9 With LineDriver: 8.3 Power Rating (HorsePower) per SAE J1349 8.0 @ 3600 rpm GrindLazer 390 (Model 571003) Dimensions
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Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only
