TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 603 of 764
TM 9-2320-361-34
16-8. HYDRAULIC CYLINDER REPLACEMENT (M342A2)
THIS TASK COVERS:
a. Removal
b.
Installation
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
M342A2
LO 9-2320-209 -12-1
TOOLS
General
mechanic’s tool kit (Appendix B, Item 1)
Lifting device
Chains
MATERIALS/PARTS
Six lockwashers (Appendix F, Item 140)
PERSONNEL REQUIRED
Two
pressure.
TM9-2320-361-10
TM9-2320-361-34P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-361-10).
GENERAL SAFETY INSTRUCTIONS
.
All personnel must stand clear during lifting operations.
●
Position safety braces before working under raised
dump body.
●
Wear eye protection when working with fluid under
CAUTION
●
Cap or plug all openings immediately after disconnecting lines and
hoses to prevent contamination. Remove caps or plugs prior to
installation. Failure to do so may result in damage to equipment.
●
Bypass tubes on outside of hydraulic cylinder are easily damaged.
Use care when replacing hydraulic cylinder.
NOTE
Assistant will help with lifting operations.
a. Removal
WARNING
1.
2.
●
All personnel must stand clear during lifting operations. A
swinging or shifting load may cause injury to personnel.
●
Never work under dump body until safety braces are properly posi-
tioned. Injury to personnel may result if dump body suddenly lowers.
Secure chains to dump body (1) and lifting device.
Raise dump body (1) and position on two safety braces (2). Remove chains from dump body (1) and
lifting device.
WARNING
3.
4.
5.
6.
7.
8.
9.
Wear eye protection when working with hydraulic hoses. Fluid in
hoses may be under pressure failure to wear eye protection may
result in injury to personnel.
Disconnect two hydraulic lines (13) from cylinders (8).
Secure chain to hydraulic cylinder (8) and lifting device and remove as much slack as possible from chain.
Remove four screws (9), lockwashers (10), and two caps (11) from two frame braces (12). Discard
lockwashers (10).
Remove two screws (3), lockwashers (4), and two retainer halves (5) from crosshead (6). Discard
lockwashers (4).
Remove shaft (7) from crosshead (6) and slide shaft (7) into hydraulic cylinder (8).
Remove hydraulic cylinder (8) from two frame braces (12).
Remove chain from lifting device and hydraulic cylinder (8).
16-60
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