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Grinder Maintenance
Replacing the Teeth
Service Interval: Before each use or daily—Check the
condition of the teeth and rotate or
replace any that are worn or damaged.
Due to the high amount of wear placed on the teeth, you will
need to rotate and replace them periodically.
Figure 20
1. Nut
2. Flat washer
Each tooth is indexed with 3 positions so you can rotate it
twice, exposing a new sharp edge before replacing the tooth.
To rotate a tooth, loosen the nut securing the tooth (Figure
20). Push the tooth forward and rotate it 1/3 of a turn,
bringing an unused edge to the outside. Align the flat washer,
tooth and tooth holder. Torque the nut securing the tooth to
37 to 45 N-m (27 to 33 ft-lb).
To replace a tooth, remove the nut securing the tooth, then
install a new tooth, nut and flat washer in the same position
(Figure 20). The flat washer goes between the holder and
the nut. Torque the nut securing the tooth to 37 to 45 N-m
(27 to 33 ft-lb).
3. Tooth holder
4. Tooth
Cleaning
Removing Debris from the
Machine
Regular cleaning and washing will increase the life span of
the machine. Clean the machine directly after use, before the
dirt hardens.
Check before cleaning that the fuel tank cap is properly in
place to avoid getting water in the tank.
Use care when using a high-pressure sprayer because it can
damage warning decals, instruction signs, and the engine
Important: Lubricate the cutting wheel bearings after
cleaning.
17
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