TM 9-2330-275-14&P
4-85. HYDRAULIC HOSES AND FlTTINGS REPLACEMENT (M840).
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment
Materials/Parts:
General mechanic’s tool kit
Rags (Item 11, Appendix E)
Common no. 1 shop set
One Iockwasher
1.
2.
3.
4.
5.
6.
7.
8.
NOTE
M840 has four hydraulic hoses Perform following steps to remove each hydraulic
hose.
Disconnect hydraulic hose (1) from adapter (12).
Remove hydraulic cylinder(16) from dolly (para 4-86).
NOTE
Not. position of fittings for Installation.
Remove adapter (12), lifting-leveling jack valva (13), elbow (14), and adapter (15) from hydraulic cylinder (16).
NOTE
Only one hydraulic hose of M840 has clamp. Perform steps 4 and 5 to remove clamp.
Remove screw (2) and Iockwasher (3) to free two clamps (4 and 5) from rear axle (6). Discard Iockwasher,
Remove clamp (4) from hydraulic hose (1).
Remove hydraulic hose (1) from tee (7).
Disconnect hydraulic hose (8) from tee (7).
Remove tee (7), bushing (9), and adapter (10) from hydraulic pump (11).
1.
Install adapter (10), bushing (9), and tee (7) to hydraulic pump (11).
2.
Connect hydraulic hose (8) to tee (7).
3.
Connect hydraulic hose (1) to tee (7).
NOTE
Only one hydraulic hose of M840 has clamp. Perform steps 4 and 5 to Install clamp.
4.
Install clamp (4) to hydraulic hose (1).
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