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TM 5-2420-222-34
14-13.
BACKHOE RELIEF VALVES MAINTENANCE (Con’t).
3.
Place relief valve (1) in vise with caps. Push down on valve
seat (10) and compress spring (11).
4.
Remove bushing (6) and preformed packing (7) from relief
valve (1). Discard preformed packing.
5.
Remove relief valve (1) from vise.
6.
Remove valve seat (10), preformed packing (8), washer (9),
spring (11), and shoulder pin (13) with assembled shims (12)
from relief valve (1). Discard preformed packing.
NOTE
Note size and number of shims to ensure
proper assembly.
7.
Remove shims (12) from shoulder pin (13).
TA701596
14-67
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