TM 5-2420-230-24-1
16-6. HITCH ASSEMBLY REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Test Equipment
Equipment Conditions
None
TM or Para
Condition Description
Vehicle positioned on level
ground.
Tools and Special Tools
Field, maintenance, basic, Item 23, Appendix B
Parking brake applied.
Tool kit, general mechanics, Item 38, Appendix B
Engine shut OFF.
Equipment, suitable lifting
Electrical master switch OFF.
"Do Not Operate" tag attached
to ignition switch.
Materials/Parts
Grease, automotive and artillery, Item 30, Appendix C
Tow hitch removed.
Nut, self-locking, Item 113, Appendix D
Washer, lock, Item 283, Appendix D
Drawings Required
TM 5-2420-230-24P Figure 175
Personnel Required
MOS 62B, Construction Equipment Repairer (2)
Estimated Time to Complete Task
Refer to MAC in Appendix B
References
None
a. Removal.
Hitch assembly is heavy. Use an appropriate lifting device and follow safe working procedures when
lifting or moving hitch assembly. Failure to comply may result in injury or death to personnel.
(1)
Remove four screws (1) from trailer
electrical connector (2) and remove trailer
electrical connector from hitch assembly.
(2)
Remove two hoses (3) from glad hands (4).
(3)
Attach suitable lifting device and sling to
both sides of hitch assembly.
(4)
Remove two bolts (5), lockwashers (5.1),
and washers (6) from two hitch pins (7).
Discard lockwashers.
(5)
Remove hitch pins (7) from hitch assembly.
(6)
Remove bolt (8), washer (9), self-locking nut
(10), and alignment pin (11) from hitch
assembly. Discard self-locking nut.
(7)
Lift hitch assembly from backhoe.
Change 1