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TM 9-2320-285-24-1
2-78. FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)
b. Hydraulic Filter and Lines and Fittings (cont).
(2) Lines and Fittings.
This task covers:
a. Removal
c. Inspection
b. Cleaning
d. Installation
INITIAL SETUP
Tools
Personnel Required
No. 1 Common Organizational Maintenance
Two Wheel Vehicle Mechanics MOS 63B
Tool Kit
Adjustable open end wrench
Equipment Condition
Socket wrench set
Paragraph
Condition Description
Combination wrench set
Socket head screw key set
Vehicle parked on level
Safety glasses
surface, engine off, and
parking brake applied.
Materials/Parts
2-65c
Rear platform removed.
Cleaning
2-78c
Hydraulic reservoir drained.
solvent
Item 1, Appendix C
2-78b(1) Hydraulic filter elements
Clean cloths
Item 2, Appendix C
removed.
Tags
Item 14, Appendix C
Hydraulic oil
Item 22, Appendix C
Tie straps
FSCM 96906 PN MS3667-2-9
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
NOTE
Tag all hose assemblies before disconnecting and removing. Do not remove fittings from
hoses. Remove hose and attached fittings as an assembly. Cut, remove, and dis card
all tie straps and remove all clamps as necessary to remove hose assemblies. Note
locations to aid installation.
1
Control
a. Elbow (1)
Loosen nut
valve
b. Hose assembly
Disconnect
From elbow (1)
(4)
fitting
c. Elbow (2)
Loosen nut
d. Hose assembly
Disconnect
From elbow (2)
(21)
fitting
e. Elbow (3)
Loosen nut
f. Hose assembly
Disconnect
From elbow (3)
(22)
fitting
2-883
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