TM 9-2320-260-34-2
15-20. HYDRAULIC HOSES REPLACEMENT (Contd)
NOTE
Tag hoses for installation.
Have drainage container ready to catch hydraulic oil.
4. Remove two hoses (6) from two elbows (5).
5. Remove two hoses (6) from safety latch cylinder (12).
6. Remove three hoses (2) from three unions (3) in ports of upper manifold (4) and lower manifold (7).
7. Remove two hoses (1) and (2) from two hoist cylinders (13).
8. Remove two elbows (5) from center ports of upper manifold (4) and lower manifold (7).
9. Remove three unions (3) from upper manifold (4) and lower manifold (7).
NOTE
Steps 10 through 13 apply to hydraulic hose connected to lower
manifold and left hoist cylinder.
10.
Remove hose (1) from union (11) and hoist cylinder (13).
11.
Remove union (11) from tee (10).
12.
Remove valve cock (8) and bushing (9) from tee (10).
13.
Remove tee (10) from lower manifold (7).
b. Installation
NOTE
Steps 2 through 5 apply to hydraulic hose connected to lower
manifold and left hoist cylinder.
1. Wrap hoses (1) and (2), unions (3) and (11), tee (10), bushing (9), valve cock (8), and elbows (5).
2. Install tee (10) in port of lower manifold (7).
3. Install bushing (9) and valve cock (8) in tee (10).
4. Install union (11) in tee (10).
5. Install hose (1) on union (11) and hoist cylinder (13).
6. Install two elbows (5) in center ports of upper manifold (4) and lower manifold (7).
7. Install three unions (3) in remaining ports of upper manifold (4) and lower manifold (7).
8. Install two hoses (1) and (2) on two hoist cylinders (13).
9. Install three hoses (2) on three unions (3).
10. Install two hoses (6) on safety latch cylinder ( 12).
11. Install two hoses (6) on two elbows (5).
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