TM 5-5420-280-23&P
0077 00
HYDRAULIC CHECK VALVES REPLACEMENT (Contd)
SUPPORT CYLINDERS HYDRAULIC CHECK VALVE REMOVAL
CAUTION
Cap or plug all hoses, tubes, connections, and openings immediately
after disconnection to prevent contamination. Remove caps or plugs
prior to installation. Failure to do so may result in damage to
equipment.
NOTE
Tag hoses and tubing for installation.
Have container ready to catch oil.
1.
loosen nut (4) and disconnect steel tube (3) and tube seal (5) from elbow (6) on support cylinders
hydraulic check valve (13). Discard tube seal (5).
2.
loosen nut (7) and remove elbow (6) from adapter (8) on check valve (13).
3.
Loosen nut (36) and disconnect steel tube (35) and tube seal (5) from top adapter (8) on check
valve (13). Discard tube seal (5).
4.
Loosen nut (29) and disconnect steel tube (32) and tube seal (5) from end of tee fitting (30) on
middle of check valve (13). Discard tube seal (5).
5.
Loosen nut (16) and disconnect steel tube (17) and tube seal (5) from end of tee fitting (15). Discard
tube seal (5).
6.
Loosen nut (18) and disconnect steel tube (19) and tube seal (5) from bottom of tee fitting (15).
Discard tube seal (5).
7.
Loosen two nuts (14) and remove steel tube (20) and two tube seals (5) from tee fitting (15) and
elbow (34) on check valve (13). Discard tube seals (5).
8.
Loosen nut (24) and disconnect hose (23) from elbow (25) on bottom of check valve (13).
9.
Loosen nut (21) and disconnect hose (22) from tee fitting (27) on bottom of check valve (13).
10.
Loosen nut (26) and remove elbow (25) from end of tee fitting (27).
11.
Loosen nut (28) and remove tee fitting (27) from adapter (8) on bottom of check valve (13).
12.
Loosen nut (33) and remove elbow (34) from tee fitting (30) on middle of check valve (13).
13.
Loosen nut (31) and remove tee fitting (30) from middle adapter (8) on check valve (13).
14.
Remove two nuts (1), washers (2), screws (10), and check valve (13) from bracket (11) on
crossmember (12).
15.
If necessary, remove four adapters (8) and O-rings (9) from check valve (13). Discard O-rings (9).
0077 00-4
