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Makita GA7911 User Manual

Makita GA7911
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Sander
MODEL
GA7911
INSTRUCTION MANUAL
SPEC
IF
I
CAT
I
0
N
S
1
Overall length
1
Net weight
1
Spindle thread
No load speed
(RPMI
6,000
1
411.5
mm
(16-114”)
1
5.5
kg
(12.1
Ibs)
1
5/8-11
UNC
*
Manufacturer reserves the right to change specifications without notice.
Note: Specifications may differ from country to country.

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Makita GA7911 Specifications

General IconGeneral
Voltage120 V
TypeAngle Grinder
Lock-On SwitchYes
Dust PortNo
Arbor5/8 inch
Spindle Thread5/8 inch - 11 UNC
Power SourceCorded

Summary

Makita Sander GA7911 Specifications

Technical Specifications Overview

Presents key technical data including No load speed, Overall length, Net weight, and Spindle thread.

General Safety Instructions

Essential Power Tool Safety Rules

Lists 13 crucial safety precautions for operating power tools, covering work area, children, tool usage, and maintenance.

Advanced Safety Precautions

Specific Safety Guidelines

Covers checks for keys, unintentional starting, outdoor extension cords, alertness, damaged parts, and grounding.

Voltage Connection Warning

Warns about connecting the tool to power sources with incorrect voltage, potential for injury or damage.

Grounding and Electrical Safety

Grounding Procedure for Tools

Explains the purpose of grounding for electric shock reduction and proper connection procedures.

Grounding Method Illustrations

Illustrates different grounding methods using figures A, B, and C to ensure safe electrical connection.

Mode-Specific Safety Rules

Sander Mode Safety

Rules for checking sanding pads, holding the tool, avoiding rotating parts, and handling hot workpieces.

Grinder Mode Safety

Rules for guards, wheel speed, wheel inspection, flanges, sparks, and hot workpieces.

Tool Assembly and Attachment

Side Grip Installation

Instructions on securely attaching the auxiliary side grip to the tool body.

Abrasive Disc Mounting

Steps for safely mounting and dismounting abrasive discs, including using the shaft lock.

Operating the Sander

Switch and Trigger Controls

Details on starting, stopping, and locking the trigger switch for continuous operation.

Sanding Technique Guidance

Guidance on holding the tool, applying pressure, and maintaining a 15° angle for effective sanding.

Grinder Attachment and Operation

Grinder Guard and Wheel Kits

Lists required guard assemblies and accessory kits for depressed center wheels.

Depressed Center Wheel Mounting

Steps for safely mounting and dismounting grinder wheels, using flanges and the shaft lock.

Grinding Performance

Grinding Angle and Technique

Explains how to apply the wheel to the workpiece at a 15° angle and break-in procedures.

Critical Grinding Warnings

Crucial warnings about avoiding excessive pressure, wheel breakage, and using worn-out wheels.

Tool Maintenance Procedures

Carbon Brush Replacement

Instructions for checking, replacing, and cleaning carbon brushes using a screwdriver.

Professional Servicing Recommendation

Recommends using authorized service centers for repairs and maintenance to ensure safety and reliability.

Accessory Catalog - Part 1

Sanding Pads and Discs

Lists various sanding accessories like rubber pads, abrasive discs, and lock nuts with part numbers.

Grinding Guards and Sizes

Details the guard assembly parts and sizes required for grinder use.

Accessory Catalog - Part 2

Grinding Wheels and Flanges

Lists different types of depressed center wheels, Makita zirconate, best edge wheels, and associated flanges.

Wheels, Brushes, and Wrenches

Details flexible grinding wheels, wire cup brushes, lock nut wrenches, grips, and accessory kits.

Sander GA7911 Parts Diagram

Exploded View Illustration

An exploded view illustrating all the components of the Sander Model GA7911.

Detailed Parts List

Component Identification and Quantity

A detailed list of machine parts with item numbers, quantities, and descriptions for the Sander GA7911.

Makita Limited Warranty Information

Warranty Coverage and Exclusions

Outlines the warranty coverage, exclusions, and limitations for Makita tools.

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