TM 5-4310-452-14
4-101. AIR DISCHARGE TUBE ASSEMBLY REPLACEMENT,
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
Materials/Parts:
• Engine off.
• Two lockwashers
• Left door assembly open.
• Two preformed packings
• Access door assembly open.
• Two self-locking nuts
• Batteries removed (see paragraph 4-57).
• Two self-locking screws
• System air pressure relieved,
Tools/Test Equipment:
• General mechanic's tool kit
a. REMOVAL
1.
Remove nut (2), lockwasher (3), and battery cable (4) from starter solenoid (5). Discard lockwasher.
2.
Remove 3 screws (25) from side baffle assembly (23).
3.
Remove 3 screws (24) and nuts (20) from side baffle assembly (23) and front baffle assembly (1), Remove side
baffle assembly and battery cable (4).
4.
Remove 2 screws (21) from side baffle assembly (23).
5.
Remove 2 self-locking screws (22) and nuts (6) from pipe cover (7) and gasket (8). Discard self-locking screws
and nuts.
6.
Remove nut (17), lockwasher (18), and wire (19) from pressure transmitter (12). Discard lockwasher.
WARNING
Ensure that system air pressure is relieved before removing air discharge tube assembly,
Compressed air can cause serious injury to personnel.
7.
Disconnect air discharge tube assembly (13) from elbow (9). Remove elbow and preformed packing (10) from oil
separator tank (11). Discard preformed packing,
8.
Remove pipe cover (7) and gasket (8) from air discharge tube assembly (13).
9.
Disconnect air discharge tube assembly (13) from adapter (16). Remove air discharge tube assembly.
10.
Remove adapter (16) and preformed packing (14) from minimum pressure service valve (15). Discard
preformed packing.
b. INSTALLATION
1.
Position air discharge tube assembly (13) in place and install gasket (8), pipe cover (7), and 2 new self-locking
screws (22) and nuts (6).
2.
Install elbow (9) and new preformed packing (10) in oil separator (11).
4-206
