TM 1-1520-238-23
6-116
6.22.
ENGINE NOSE GEARBOX SIGHT INDICATOR REMOVAL/INSTALLATION – continued
6.22.4. Cleaning
a. Clean removed and attaching parts or sur-
faces (para 1.47).
6.22.5. Inspection
a. Check gearbox for stripped threads. None al-
lowed.
b. Replace gearbox sight indicator for glazed,
cracked, or discolored lens. None allowed.
c. Check for crossed, flattened, or stripped
threads. None allowed.
d. Check for nicks, gouges, burrs, and corrosion
(para 1.49).
(1) Repair all damage 0.030 INCH or less deep
by blending.
6.22.6. Installation
a. Install indicator (1) on gearbox (2).
(1) Lubricate new packing (3). Use petrolatum
(item 138, App F).
(2) Install packing (3) on indicator (1).
(3) Install indicator (1) on gearbox (2).
(4) Torque indicator (1) to 40 INCH-POUNDS.
Use torque wrench.
GO TO NEXT PAGE
M04-537-3
1
2
3
