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Page Title:
CHECK 10 STATIONARY BRAKE PLATES |
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 TM 9-2520-270-34
15. CHECK NINE ROTATING BRAKE
14. CHECK 10 STATIONARY BRAKE
PLATES (2).
PLATES (1).
a.
Using micrometer caliper set,
a. Using micrometer caliper set,
measure thickness of each plate (2)
measure thickness of each plate (1)
in three places. Replace all 19 plates if
in three places. Replace all 19 plates
any plate (2) measures less than
if any plate measures less than
0.093 inch (2.36 mm), and go to
0.080 inch (2.03 mm), and go to step 16.
step 16.
b. Using flat surface, and feeler gage,
b.
Using flat surface and feeler gage,
check for warpage on both inside and
check for warpage on both inside and
outside edges. Replace all 19 plates if
outside edges. Replace all 19 plates if
warpage of any plate (1) is greater
warpage of any plate (2) is greater than
than 0.010 inch (.25 mm), go to step 16.
0.010 inch (.25 mm).
16. REMOVE INNER SPRING RETAINER (3)
AND SPRING RETAINER PLATE (4).
a.
Using 3/8-inch drive brace handle and
7/16-inch socket, loosen six screws (5).
Loosen two turns at a time to
17. CHECK 10 SPRINGS (7).
evenly relieve spring pressure.
a. Using indicator caliper, measure free
b.
Remove six screws (5) and
length of spring (7). Replace spring
washers (6).
if free length is less than 1.5 inch
(38 mm).
c.
Remove retainer (3), 10 springs (7),
and plate (4).
I
b. Repeat step 17a for all springs (7).
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