TM 1-1520-238-23
6-168
6.35.
ENGINE NOSE GEARBOX OIL JET REMOVAL/INSTALLATION – continued
6.35.5. Inspection
NOTE
The following inspection procedures ap-
ply to oil jet mounting surfaces and re-
cesses on both engine nose gearboxes.
a. Check for cracks. None allowed.
b. Check for scratches, nicks, gouges, and other
evidence of damage (para 6.41).
c. Check for corrosion (para 1.49).
NOTE
The following inspection procedures ap-
ply to all oil jets on left and right engine
nose gearboxes.
d. Check for cracks. None allowed.
e. Check threaded filter hole (24) for stripped,
crossed, or flattened threads. None allowed.
f. Check for scratches, nicks, gouges, burrs,
and corrosion.
(1) Except for packing grooves (25), repair dam-
aged areas 0.030 INCH or less deep blend-
ing. Use depth gage.
g. Check packing grooves (25) for scratches,
nicks, gouges, burrs, and corrosion.
(1) Minor surface imperfections measuring 0.004
INCH or less deep before blending and not
covering over 20 percent of surface area may
be repaired by blending at a 30:1 to 50:1 transi-
tion ratio. Repair not to exceed depth of original
damage. Use depth gage.
h. Check vent holes (26) for blockage or obstruc-
tions. None allowed.
GO TO NEXT PAGE
M04-529-10
OUTBOARD OIL JET (BOTH GEARBOXES)
26
26
25
25
24
M04-529-11
TOP FORWARD OIL JET (BOTH GEARBOXES)
24
26
26
25
M04-529-12
TOP AFT OIL JET- FOUND ON LEFT
ENGINE NOSE GEARBOX ONLY
24
26
25
26
M04-529-13
INBOARD OIL JET- FOUND ON RIGHT
ENGINE NOSE GEARBOX ONLY
24
25
26
26
