TM 5-5420-280-23&P
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HYDRAULIC SUPPORTING WHEELS CONTROL VALVE, SELECTOR VALVE, PRESSURE REGULATOR
VALVE, PRESSURE GAUGE, AND PUMP REPLACEMENT (Contd)
SELECTOR VALVE AND PRESSURE REGULATOR VALVE REMOVAL
1.
Loosen nut (30) and remove tube (35) and tube seal (5) from elbow (28) on adapter (38). Discard
tube seal (5).
2.
Loosen nut (26) and remove tube (29) and tube seal (5) from elbow (27) on tee fitting (9). Discard
tubes seal (5).
3.
Loosen nuts (10) and (11) and remove elbows (27) and (28) from adapter (38) and tee fitting (9) on
selector valve (46).
4.
Loosen nut (36) and remove tube (34) and tube seal (5) from bottom of tee fitting (9). Discard tube
seal (5).
5.
Loosen nut (8) and remove tee fitting (9) from adapter (7) on selector valve (46).
6.
Loosen nuts (40) and (43) and remove tubes (41) and (42) and two tube seals (5) from adapters (39)
and (44) on bottom of selector valve (46).
7.
Loosen nuts (4) and (1) and remove tubes (3) and (2) and tube seals (5) from adapters (6) and (47)
on top of selector valve (46). Discard tube seals (5).
8.
Loosen screw (31) and remove handle (32) from selector valve shaft (45).
9.
Remove two screws (14) and selector valve (46) from A-frame bracket (15).
10.
Remove adapters (47), (6), (7), (38), (39), and (44) and six O-rings (37) from selector valve (46).
Discard O-rings (37).
NOTE
Tag tubing for installation.
11.
Loosen nut (33) and remove tube (34) and tube seal (5) from adapter (25) on pressure regulator
valve (21). Discard tube seal (5).
12.
Loosen nut (22) and remove tube (23) and tube seal (5) from adapter (24) on bottom of pressure
regulator valve (21). Discard tube seal (5).
13.
Loosen nut (19) and remove tube (18) and tube seal (5) from adapter (17) on pressure regulator
valve (21). Discard tube seal (5).
14.
Remove two locknuts (12), washers (13), screws (20), and pressure regulator valve (21) from A-frame
bracket (15). Discard locknuts (12).
15.
Remove adapters (17), (24), and (20) and three O-rings (16) from pressure regulator valve (21).
Discard O-rings (16).
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