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TM 9-4110-257-14
4-15. FRONT BOTTOM DOORS AND BARREL BOLTS REPLACEMENT.
This task covers: a. Removal b. Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
Lock Washers (3 Each Door)
Refrigeration unit shut down (para 2-7) and
1, Appendix G
battery disconnected (para 4-35).
Lock Washers (6 Each Barrel Bolt Assembly)
1, Appendix G
General Safety Instructions:
Self Locking Nut (4)
12 Appendix G
WARNING
Rivets (4)
4, Appendix G
Exposed rotating parts are used in the
refrigeration
unit. Personal injury can result
if battery is connected.
a.
Front Bottom Door Replacement.
(1) Removal. Remove three bolts (1), lock washers (2), and door (3). Discard lock washers.
(2) Installation.
(a) Drill out four rivets (4) and data plate (5) from old door (3). If the rivets cannot be removed, notify direct
support maintenance to remove them.
(b) Remove four bolts (6), lock washers (7), and barrel bolt (8) from old door (3). Repeat for second barrel
bolt. Discard lock washers.
(c) Install data plate (5) and four new rivets (4). If the rivets cannot be installed, notify direct support
maintenance to install them.
(d) Install barrel bolt (8), four new lock washers (7), and bolts (6). Repeat for second barrel bolt.
(e) Install door (3), three new lock washers (2), and bolts (1).
b.
Barrel Bolt Replacement.
(1) Removal.
(a) Remove four bolts (6), lock washers (7), and barrel bolt (8). Discard lock washers.
(b) Remove two screws (9), lock washers (10), barrel bolt clip (11), and shim (12). Discard lock washers.
(2) Installation.
(a) Install shim (12), barrel bolt clip (11), two new lock washers (10), and screws (9).
(b) Install barrel bolt (8), four new lock washers (7), and bolts (6).
4-41
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