Table of Contents
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Operation, Repair, Parts
GrindLazer
For removal of materials from flat horizontal concrete and asphalt surfaces. For
professional use only.
Pro Series - Rotary Cut
Model 25M847 - GrindLazer Pro RC813 G (390 cc / 13hp Electric Start)
Model 25M847 - GrindLazer Pro RC813 G (390 cc / 13hp Electric Start) (Series B)
Model 25N669 - GrindLazer Pro RC813 G DCS (390 cc / 13hp Electric Start)
Important Safety Instructions
Read all warnings and instructions in this manual before using the
equipment. Be familiar with the controls and the proper usage of the
equipment. Save these instructions.
25M847
™
25M847 (Series B)
www.graco.com/techsupport
3A5581C
EN
25N669
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Table of Contents
Related Manuals for Graco 25M847
Summarization of Contents
Warnings
Dust and Debris Hazard
Hazards related to dust, debris, and flying particles during operation.
Entanglement and Moving Parts Hazard
Risks associated with moving parts, pinch, cut, or amputation injuries.
Burn Hazard
Danger of burns from hot engine and cutters.
Equipment Misuse Hazard
Risks from operating the equipment incorrectly or under impairment.
Personal Protective Equipment
Essential PPE for operator safety during operation and servicing.
Fire and Explosion Hazard
Hazards related to flammable fumes and potential ignition sources.
Carbon Monoxide Hazard
Danger of inhaling poisonous carbon monoxide from exhaust.
Battery Hazard
Risks associated with lead-acid batteries, including explosive gases and acid.
Battery Disposal
Proper procedures for disposing of batteries according to regulations.
Component Identification
25M847 Component Identification
Identification of major components for the 25M847 model.
25M847 Series B Component Identification
Identification of major components for the 25M847 Series B model.
25N669 Component Identification
Identification of major components for the 25N669 model.
Setup
Handle Bar Adjustment
Steps to adjust handlebar position for operator comfort and control.
Cutter Head Installation/Replacement
Procedure for installing or replacing the cutter head assembly.
Dust Control Setup
Instructions for attaching vacuum hoses for dust management.
DCS Control Setup
Instructions for setting up and using the Digital Control System (DCS).
DCS Menu Screens
Navigating menu screens for language, units, model, and software revision.
Operation
Machine Start Up
Pre-operation checks and procedures for starting the engine.
Cutting Material
Steps for preparing and adjusting the machine for cutting materials.
Concrete Cutting Setup
Machine setup for cutting concrete surfaces.
Asphalt Cutting Setup
Machine setup for cutting asphalt surfaces.
Cutting Technique
Recommended techniques for effective cutting and surface finish.
Stop Cutting Material
Procedures for safely stopping the cutting operation.
DCS Instructions
Detailed instructions for operating the Digital Control System (DCS).
Manual Height Adjustment
Method for adjusting cutter head height without the DCS.
Repair
Belt Replacement and Adjustment
Steps for replacing and adjusting drive belts.
Drive Pulley Replacement
Procedure for removing and replacing the drive pulley.
Engine Pulley Replacement
Procedure for removing and replacing the engine pulley.
Troubleshooting
DCS Models Troubleshooting
Common problems and solutions specific to DCS models.
DCS Error Codes
Explanation of error codes displayed by the DCS and their causes.
DCS Actuator Rod Issues
Troubleshooting flowchart for DCS actuator rod movement problems.
Parts
25M847 Outer Frame Assembly Parts
List and diagrams of parts for the outer frame assembly.
25M847 Shock Assembly Parts
List and diagrams of parts for the shock assembly.
25M847 Adjustable Handles Parts
List and diagrams of parts for adjustable handles.
25M847 Drive System Assembly Parts
List and diagrams of parts for the drive system.
25M847 Front Assembly Parts
List and diagrams of parts for the front assembly.
25M847 Series B Controls Assembly Parts
List and diagrams of parts for the controls assembly.
25N363 Spindle Cutter Assembly Parts
List and diagrams of parts for the spindle cutter assembly.
DCS Control Box Parts
List of parts for the DCS control box.
Wiring Diagram
DCS System Wiring
Electrical schematic for the DCS system.
DCS Control Box Wiring
Wiring connections for the DCS control box display and buttons.
Technical Data
25M847 Technical Specifications
Technical specifications for the 25M847 model.
25N669 Technical Specifications
Technical specifications for the 25N669 model.
California Proposition 65 Warning
Warning regarding chemicals known to cause cancer and reproductive harm.
Graco Standard Warranty
Graco Canada Customers Warranty
Specific warranty information for Graco Canada customers.
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