TM 5-4310-452-14
4-88. OIL SEPARATOR MAINTENANCE.
THIS TASK COVERS
a. Removal
c. Assembly
b. Disassembly
d. Installation
INITIAL SETUP
Equipment Conditions:
Materials/Parts:
Engine off,
One lockwasher
Access door assembly open.
One self-locking nut
System pressure relieved.
One self-locking screw
Check valve, filter, and scavage tube assembly
Two gaskets
removed (see paragraph 4-86).
Two preformed packings
Safety relief valve removed (see paragraph 4-96).
Six self-locking bolts
Air inlet hose removed (see paragraph 4-97).
Oil separator filter element removed (see para-
Tools/Test Equipment:
graph 4-87).
General mechanic's tool kit
Oil separator to temperature bypass valve tube
removed (see paragraph 4-86).
Personnel Required: Two
Manual blowdown valve removed (see para-
graph 4-95).
Front end panel assembly removed (see para-
graph 4-82).
a. REMOVAL
1.
Remove drain valve (14), elbow (16), and nipple (15) from oil separator (4). Remove plug (13) from drain valve,
2.
Disconnect both ends of air discharge tube (see paragraph 4-101). Remove elbow (1) and preformed packing (2)
from oil separator cover (3). Discard preformed packing.
3.
Remove nut (17), lockwasher (18), and electrical lead (19) from pressure transmitter (20). Discard lockwasher.
4.
Remove 6 self-locking bolts (12) from oil separator (4) and frame. Discard self-locking bolts.
5.
Remove self-locking screw (21) and nut (23) from bracket (22) and oil separator (4) Discard self-locking screw
and nut.
6.
Using a suitable lifting device, remove oil separator (4) from compressor unit.
b.
DISASSEMBLY
1.
Remove elbow (6), preformed packing (5), and dust cap (7) from oil separator (4). Discard preformed packing.
2.
Unscrew 2 nuts (10) and remove sight glass (11) and 2 gaskets (9) from 2 fittings (8). Remove fittings from oil
separator (4). Discard gaskets.
3.
Remove pressure transmitter (20) from oil separator (4).
4-176