SERVICE TRAINING
Service Manual
32
Rock Valve
If the thin, teflon coated bushings are used, they
can be replaced with new ones providing that the
bore diameter is 80mm to a maximum of
80.20mm. A diameter over 80.20mm must be re-
worked on a boring machine and bored to 90mm
and the new style solid steel bushing* pressed in.
If the single slotted bushing* is used, the bore
diameter is 90mm to a maximum of 90.20mm. A
diameter of over 90.20mm can be repaired by the
use of a repair kit (Part no. 10063611).
NOTE: The single slotted bushing is no longer
available, but it has been replaced with a solid
steel bushing with the same part number.
Self-Lubricating Bushing
Single Slotted Bushing
Solid Steel Bushing
Repair Kit
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