TM 1-1520-238-23
4-335
4.102.
NO. 1 AND NO. 2 ENGINE WATER WASH COUPLING HALF
REMOVAL/INSTALLATION – continued
4.102.4. Cleaning
a. Clean coupling boss on frame (para 1.47).
4.102.5. Inspection
a. Check boss on frame for damaged threads.
None allowed.
b. Check frame for corrosion (para 1.49).
4.102.6. Installation
a. Install coupling half (1) in frame (2). Torque
coupling half (1) to 130 INCH-POUNDS.
(1) Install packing (3) on coupling half (1).
(a) Lubricate new packing (3). Use
petrolatum (item 138, App F).
(b) Install packing (3) in coupling half groove
(4).
(2) Install coupling half (1).
(3) Torque coupling half (1) to 130 INCH-
POUNDS. Use crowfoot and torque wrench.
b. Inspect (QA).
c. Secure access door LN2 or RN2 (para 2.2).
END OF TASK
2
M04-2548-3
4
3
1
