Delta GR250 instruction manual Changing Grinding Wheels, Wrench Storage

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CHANGING GRINDING WHEELS

1.DISCONNECT MACHINE FROM POWER SOURCE.

2.When changing wheels, remove the screws attaching the side covers to the grinder and remove the side covers.

3.To prevent shaft rotation, place a wedge between the grinding wheel and the tool rest. NOTE: Facing the front of the grinder: to replace the wheel on the left side of the grinder, turn the arbor nut clockwise to loosen; counterclockwise to tighten the arbor nut.

4.To replace the grinding wheel on the right, turn the arbor nut, counterclockwise to loosen; clockwise to tighten the arbor nut.

5.The arbor bushing should be saved, for future use, if the replacement wheel does not require the bushing.

WARNING: DO NOT OVERTIGHTEN WHEEL NUTS WHEN INSTALLING GRINDING WHEELS. TIGHTEN WHEEL NUT ENOUGH TO DRIVE THE WHEEL AND PREVENT SLIPPAGE.

WRENCH STORAGE

The open end wrench (A) and the wheel dresser wrench

(B)can be stored in the wrench holder located at the rear of the grinder as shown in Fig. 13.

A

B

Fig. 13

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Contents Variable Speed Grinder / Sharpener General Safety Rules Additional Safety Rules for Grinders Refer to them often Use them to instruct othersMotor Specifications Power ConnectionsGrounding Instructions Unpacking and Cleaning Extension CordsGrinder Parts Spark Guards AssemblyTool Rests EYE ShieldsLocking Switch OFF Position Fastening Grinder to Supporting SurfaceGrinding Wheels Variable Speed ControlFlexible Lamp Dressing a Grinding WheelChanging Grinding Wheels Wrench StoragePage Accessories PARTS, Service or Warranty Assistance Two Year Limited Warranty

GR250 specifications

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