2-41. MAINTENANCE OF RELIEF VALVE.
This task covers: a.
Tools and Special Tools
General mechanics tool kit, automotive
Oil pressure tester (8356176)
Retaining ring pliers set (PR36)
2-192 Relief valve removed from hy-
draulic flow divider manifold
Engine oil (item 15, appx B)
Preformed packing (MS28775-111)
Disassembly and reassembly of
valves should be performed in a
clean, dry, dust-free area to prevent
entry of foreign matter. Cover valve
ports to keep out dirt.
These procedures are written and il-
lustrated for relief valve (PN
12253774). If your unit has a
damaged relief valve (PN
10922171), order relief valve (PN
12253774), in accordance with TM
Remove hexagon plain nut (1) from pres-
sure adjust screw (2).
Remove pressure adjust screw (2) from
retainer cap (3).
Using retaining ring pliers, remove re-
tainer cap (3), and remove spring seat
(4), preformed packing (5), poppet spring
(6), and poppet (7) from relief valve (8).