Maintenance
Throat Screw
5
5-4 60HDdoc102619 Maintenance
Throat Screw
Make sure the blade screw in the top center of the C-frame is 1/16" (1.5 mm) away from the blade.
If not, loosen the nut and adjust the screw as necessary. Check the screw every blade change.
Failing to maintain this adjustment will lead to early blade breakage.
See Figure 5-2.
5.3 Sawdust Removal
1. Remove the excess sawdust from the blade wheel housings and sawdust chute every blade change.
2. Remove all sawdust and debris from around the velocity fuse valves every 8 hours of operation.
The valves are located at the bottom of the log loader cylinders.
3. Remove sawdust buildup as necessary from the battery box lid and top rail cover.
4. Remove sawdust buildup from the track rail cover.
CAUTION! Failure to remove sawdust buildup from the battery box lid
and/or track rail cover could result in damage to these parts when the
saw head is lowered to its lowest position.
5.4 Carriage Track, Wiper & Scrapers
Properly maintaining the sawmill carriage track is critical in preventing corrosion that can cause
pitting and scaling on the rail surfaces. Pitted and scaled surfaces can, in turn, cause rough cuts or
jerky power feed movement.
See Figure 5-3.
1. Clean track rails to remove any sawdust and sap buildup every eight hours of operation.
Use a light-grade sandpaper or emery cloth to sand off any rust or other adhering particles from the
rails.
FIG. 5-2
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