TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 277 of 863
15-57. LIFTGATE
HYDRAULIC
TUBING
REPLACEMENT (M820A2)
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
M820A2
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
MATERIALS/PARTS
Eight Iockwashers (Appendix D, Item 236)
Two tiedown straps (Appendix D, Item 524)
Cap and plug set (Appendix C, Item 6)
Antiseize tape (Appendix C, Item 50)
REFERENCES (TM)
LO 9-2320-260-12
TM 9-2320-260-10
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
●
Parking brake set (TM 9-2320-260-10).
●
Liftgate lowered to ground level
(TM 9-2320-260-10).
●
Liftgate pump oil tank drained
(L0 9-2320-260-12).
●
Auxiliary pump wiring harness removed
(para. 15-80).
a. Removal
CAUTION
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
●
Clean area around hoses and lines before removal to prevent
entry of dirt. Damage will occur if dirt or dust enters system.
●
Cap or plug all openings immediately after disconnecting lines
and hoses to prevent contamination.
NOTE
●
Tag all hydraulic lines for installation.
●
Have drainage container ready to catch hydraulic oil.
Remove two tiedown straps (11), screw (6), clamp (5), and hydraulic hoses (9) and (10) from
frame (4). Discard tiedown straps (11).
Remove hydraulic hoses (9) and (10) from two tees (3) and elbows (8).
Remove hydraulic hoses (23) and (24) from two connectors (27) and elbows (25).
Remove two elbows (8) from closing cylinder (7).
Remove two connectors (27), flow valve (28), nipple (29), two tees (3), and nipples (2) from control
valve (1).
Remove hydraulic hose (22) from control valve (1) and fluid restrictor (18).
Disconnect return hose (12) from adapter (26).
Remove hydraulic hose (17) from adapter (16) and tee (19).
Remove adapter (26), tee (19), nipple (20), and two elbows (21) from control valve (1).
Remove adapter (16), elbow (15), and nipple (14) from lifting cylinder (13).
Remove fluid restrictor (18) from lifting cylinder (13).
15-216
TM 9-2320-260-34-2
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