TM 1-1520-238-23
6-114
Change 4
6.21.
ENGINE NOSE GEARBOX LOW OIL PRESSURE SWITCH REMOVAL/INSTALLATION – continued
6.21.6. Installation
a. Install switch (3) on gearbox (4). Torque switch
(3) to 30 INCH-POUNDS.
(1) Lubricate new packing (5). Use petrolatum
(item 138, App F).
(2) Install packing (5) on switch (3).
(3) Torque switch (3) to 30 INCH-POUNDS. Use
crowfoot and torque wrench.
(4) Lockwire switch (3) to sight plug (6). Use wire
(item 226, App F).
b. Install contacts (7) (if necessary) on switch
wires (1) (TM 55-1500-323-24).
(1) Cut wires (1) to proper length.
(2) Install contacts (7) on wires (1).
NOTE
Pin red lead to SP1 and white lead to
SP2.
c. Pin identified wires (1) in splice S25/S26 SP1
and SP2 (2) (TM 55-1500-323-24).
d. Inspect (QA).
e. Install engine nose gearbox fairings and
shrouds (para 2.123).
f. Perform drive system dynamic maintenance
operational check (TM 1-1520-238-T).
END OF TASK
M04-535-4
4
5
3
6
M04-535-5
3
1
2
7
6
