TM5-4220-231-14&P
NOTE
Lubricate threads
and sliding contact surfaces
before reassembly
with halocarbon
grease (Item 13, Appendix D).
a.
Disassembly
Instructions
(1)
Using allen wrench, remove cap retaining screw (40) from handle (38).
(2)
Remove spacer (39) from handle (38).
(3)
Using allen wrench, remove three handle retaining screws (35). Lift off handle (38).
(4)
Remove sleeve (34) from housing (31).
(5)
Remove panel nut (37) from housing (31).
(6)
Using a soft-jawed vise, clamp housing (31) across flats; carefully remove threaded
body (2) from
housing (31).
(7)
Remove adapter (18), pad (25) and spring (26) from housing (31).
(8)
Remove, cut, and discard O-ring (19) from housing (31) and O-ring (17) from body (2).
(9)
Remove piston (24) from adapter (18). Remove, cut, and discard O-rings (20, 21) from inside
adapter (18).
(10) Remove and discard seat insert (22). Remove, cut, and discard O-ring (23) from piston (24).
(11) Remove seat assembly
(11) from housing (2).
(12) Remove, cut, and discard O-rings (12,16) and backup ring (13) from housing (2)
(13) Remove and discard O-ring (5) from housing (2).
(14) Remove retainer (15) from seat assembly
(11). Remove poppet (6) and spring. (14) from seat
assembly (11).
(15) Remove, cut, and discard O-rings (8, 9), backup ring (10), and retainer (7) from poppet (6).
(16) Remove bushing (32) and pin (33) from housing (31).
(17) Remove guide (27), shaft (28), both race bearings (29), needle roller bearing (30), and bushing
(36) from housing (31).
(18) Remove screen (3) from body (2).
b.
Reassembly
Instructions
(1)
Lubricate with silicone compound
(Item 9, Appendix D), and install the following new item in
poppet (6): backup ring (10), retainer (7), and O-rings (8, 9).
5-10
