TM 55-1520-240-23-5
6-59.1
REPAIR AFT ROTOR SHAFT SUPPORT
(Continued)
6-59.1
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 (E184.1).
2.
Check extent and location of damage on support
(1).
NOTE
Limits in this step refer to the 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.
3.
Fluorescent inspect the damaged area to check
for cracks (TM 1-1500-335-23). There shall be
no cracks. If crack is suspected in aft rotor shaft
support, refer to TM 1-1520-253-23.
4.
Protect slider shaft (3) near the damaged area
from abrasive grit. Use barrier material (E80)
and tape (E388).
5.
Blend out damage with emery cloth (E123) or
abrasive paper (E13). Observe the limits of step
2.
6.
Smooth the blended area with crocus cloth
(E122). Do not leave any sharp edges.
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