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TM 9-2350-287-20-2
17-29. UPPER REAR DOOR ACTUATOR MOUNTING BRACKET AND HYDRAULIC ACTUATOR REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
General mechanic's tool kit (Item 24,
Vehicle parked on level ground (refer to
Appendix I)
TM 9-2350-287-10).
Plier wrench (Item 42, Appendix I)
Lower rear door opened and secure d (refer
to TM 2350-287-10).
Materials/Parts:
Conveyor deployed (refer to TM 9-2350-287-10).
Cotter pin (2) (Item 26, Appendix H)
Hydraulic system pressure relieved to 0 psi
Lockwasher (4) (Item 160, Appendix H)
(refer to TM 9-2350-287-10).
Lockwasher (4) (Item 161, Appendix H)
Upper rear door opened and secured
(refer to TM 9-2350-287-10).
Personnel Required: Two
a.
REMOVAL
1.
Disconnect two hydraulic lines (9) from hydraulic actuator line disconnect bracket (10).
2.
Remove handle grip (21.1) from doorstop handle (20).
3.
Remove four screws (19), lockwashers (18), and washers (17) and doorstop handle (20) from left and right
doorstops (6). Discard lockwashers.
NOTE
Both torque plates are removed the same way.
4.
With plier wrench, hold torque plate (3) to prevent turning. Remove two screws (1) and lockwashers (2) from
torque plate (3). Discard lockwashers.
5.
Allow spring (4) to unwind.
6.
Remove screw (21), torque plate (3), spring (4), and spacer (5) from end of pivot pin (22).
7.
Repeat steps 3, 4, and 5 on other end of pivot pin (22).
8.
Remove left and right doorstops (6) from pivot pin (22).
WARNING
Hydraulic actuator will drop when pivot pin is removed from rod eye. Keep hands
and fingers clear from between actuator and top of conveyor. An assistant should
support actuator while pivot pin is removed. Failure to follow this warning may
result in injury to personnel.
9.
While assistant supports hydraulic actuator (8), remove two setscrews (23) from upper rear door actuator
mounting bracket (24) and drive pivot pin (22) out of mounting bracket (24) and hydraulic actuator rod eye (7).
Change 1 17-94
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