RT45 Operator’s Manual Service - 161
100’ (30.5 m)
To replace bits:
1. Drive out roll pin and remove old bit.
2. Install new bit into holder and drive in new roll
pin.
Wear Bars / Hard-Surface Material
Use gauge (shown, p/n 301-1507) to check
thickness of wear bars/hard-surface material on
blade. Replace wear bars/hard-surface material as
needed to protect bit holders.