Diamond (High Speed) Kit Installation (Pro Models Only) - Graco GrindLazer 25M843 Operation - Repair - Parts

For removal of materials from flat horizontal concrete and asphalt surfaces
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Repair

Diamond (High Speed) Kit Installation (Pro Models Only)

To avoid injury from unexpected start up, disconnect
spark plug wire before you service your unit.
The high speed kit is used with the diamond drum
assembly only.
1. Remove belt guard, belt, and both pulleys from the
flail (low speed) setup machine.
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2. Set the engine pulley aside, and move the lower
pulley to the engine's shaft (the bushing required is
part of the high speed kit).
3. Place the new pulley and other bushing (included in
the kit) onto the drive shaft.
4. Before tightening the pulleys in place with the
bushings, put the new belt (included in the kit) into
place over the pulleys.
5. Align the pulleys using a straight edge, and tighten
them into place with the bushings. Use thread locker
on all pulley set screws.
6. Replace belt guard.
3A5578C

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