OIL PRESSURE RELIEF VALVE (Continued)
Remove two bolts (1) and flat washers (2) securing
cover (3) to compressor inlet case.
Insert head of Puller (T.22) in top of cover (3) and
turn head 90 degrees. Use weight on puller to remove
cover. Remove and discard preformed packing (4).
Remove valve spring (5), spacer(s) (6), bypass
valve (7) and relief valve body (8). Remove and
discard preformed packing (9).
Record number of spacers removed.
Clean all components in Varsol (E.9).
When using compressed air for cleaning,
use approved protective equipment for
eyes and face. Do not use more than 30
psig air pressure. Do not direct air toward
yourself or another person. Failure to
comply could result in injury to eyes or
skin. In case of injury, get medical
Dry with clean, filtered, dehydrated compressed
Lightly smear all new preformed packings
with Lubricating Oil (E.2) or (E.71).
Install new preformed packing (9) in recess on
base of relief valve body (8). Install bypass valve (7) in
valve body and insert quantity of spacers (6) recorded in
Task 8-4-1. Install valve spring (5).
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