TM 55-1520-240-23-5
6-102.1
REPAIR ENGINE TRANSMISSION OUTSIDE SURFACE
(Continued)
6-102.1
NOTE
Reparable damage is limited to
scratches, nicks, gouges, and minor
corrosion.
1.
Clean oil and grease from damaged area. Use
naphtha (E245) and clean cloths (E120). Wear
gloves (E186).
2.
Check extent and location of damage on housing
(1).
NOTE
Limits in this step refer to extent of
damage after rework.
a.
Depth of damage shall not be more than
0.025 inch.
b.
Damage shall not extend over more than one
surface or enter any radius.
c.
Damage shall not be closer than 1.00 inch to
any mounting hole (2).
d.
Check mounting flange (4) as follows:
(1)
Damage shall not exceed 0.060 inch
in the flanged area (4) of the mounting
holes.
(2)
Damage cannot extend over more than
one surface.
(3)
Damage can exist anywhere on the
mounting flange, except inside any of the
mounting holes or in recessed area for
the mounting washers.
3.
Fluorescent inspect damaged area to check
for cracks (TM 1-1500-335-23). There shall be
no cracks. If crack is suspected in aft engine
transmissioin outside surface, refer to TM
1-1520-253-23.
4.
Cover output splines (3) near damaged area to
keep out abrasive grit. Use barrier material (E80)
and tape (E388).
5.
Blend out damage with emery cloth (E123) or
abrasive paper (E13). Observe limits of step 2.
6-409
