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TM 5-2420-222-34
14-16.
LOADER BUCKET RELIEF VALVES MAINTENANCE (Con’t).
e.
ASSEMBLY
1.
Install proper size and number of shims (5), as noted during disassembly, on spring holder (4).
2.
Coat spring holder (4) and shims (5) with hydraulic fluid, and install in relief valve (1).
3.
Coat spring (6) with hydraulic fluid. Install spring in relief valve (1).
4.
Coat new preformed packing (10) with hydraulic fluid. Install preformed packing on vent plug (9).
5.
Coat valve seat (13), washer (12), and new preformed packing (11) with hydraulic fluid. Install washer and new
preformed packing on valve seat.
6.
Install valve seat (13) with assembled parts on vent plug (9).
7.
Wrap relief valve (1) with a clean rag and place in vise with caps. Install vent plug (9) and assembled parts in
relief valve.
8.
Push down on valve seat (13) and compress spring (6). Tighten vent plug (9) and assembled parts. relief valve.
9.
Coat retainer (8) with hydraulic fluid. Install retainer in relief valve (1).
10.
Using retainer ring pliers, install retaining ring (7) in relief valve (1). Remove relief valve from vise.
f. INSTALLATION
1.
Coat new preformed packing (3) with hydraulic fluid. Install preformed packing on relief valve (1).
2.
Install relief valve (1) and assembled parts in valve body (2).
TA701605
14-82
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