TM 55-1520-240-23-5
6-52.1
REPAIR AFT SLIDER SHAFT
(Continued)
6-52.1
d.
Sum of length plus width of any one damaged
area shall not be more than 1-1/4 inches.
e.
Distance between two damaged areas shall
not be less than half the length of the larger
area.
f.
In that part of shaft (1) above flange (2), there
shall be no more than 20 damaged areas in
any 3/4 inch wide band (5) around shaft (1).
There shall be no more than five damaged
areas in any quarter-section of the band. The
total of length plus width of all five areas shall
not be more than 5-1/2 inches.
g.
There shall be no more than 75 damaged
areas over entire shaft (1).
h.
Damaged areas may exceed the above limits
to include wear over the total surface of the
slider above the flange provided maximum
depth of damage does not exceed 0.008
inch.
4.
Fluorescent inspect damaged area to check for
cracks. (Refer to TM 1-1500-335-23.) There
shall be no cracks. If a crack is suspected
in aft transmission slider shaft, refer to TM
1-1520-253-23.
5.
Blend out damage with emery cloth (E123) or
abrasive paper (E13). Observe the limits of step
3.
6.
Smooth blended area with crocus cloth (E122).
Do not leave any sharp edges.
7.
Acid etch the reworked area as follows:
Acetic acid (E21) is combustible and
toxic. It can irritate skin and cause
burns. Avoid inhaling. Use only with
adequate ventilation, away from
open flame. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
a.
Prepare a solution of 3 parts acetic acid
(E21) to 7 parts water. Wear gloves (E184.1)
and goggles.
b.
Swab the area with solution for 2 minutes.
Use gauze sponges (E184).
c.
Rinse the area with cold water.
6-207
