TM 1-1520-238-23
6-339
6.78.
MAIN TRANSMISSION LOW OIL PRESSURE SWITCH REMOVAL/INSTALLATION – continued
6.78.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot center circuit breaker panel, open LT
CAUT circuit breaker.
c. Enter CPG station (para 1.56). Observe all
safety precautions.
d. On CPG left console circuit breaker panel,
open EMER BATT CAUT circuit breaker.
e. Detach switch wires (1) and (2) from leads (3)
and (4).
(1) Remove nut (5), washer (6), and screw (7)
from clamps (8) and (9).
(2) Remove clamp (8).
(3) Identify wires (1) and (2) and leads (3) and
(4).
(4) Disconnect wires (1) and (2) from leads (3)
and (4) (TM 55-1500-323-24).
f. Remove low oil pressure switch (10) from tee
fitting (11).
(1) Remove lockwire from switch (10).
(2) Hold fitting (11). Remove switch (10).
(3) Remove and discard packing (12) from
switch (10).
6.78.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
6.78.5. Inspection
a. Check tee fitting for nicks, gouges, and
stripped threads. None allowed.
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