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 TM 9-2520-238-34
REPAIR COOLING FAN RIGHT ANGLE DRIVE C (M113A3 FOV ONLY) -- Continued
0016 00
NOTE
Take all measurements in thousandths of an inch.
4.
Determine thickness of shim (7) as follows:
a.
Place spindle assembly (1) on clean, flat surface. Measure from top of pinion gear (8) to surface and from bottom
of pinion gear to surface. Subtract second reading from first. Record as dimension C. Use caliper set and dial
indicator (WP 0033 00, Item 11).
b.
Record Mounting Distance (M.D.) etched on pinion gear (8).
c.
Measure inside diameter of bore in housing (9) and record as dimension A. Use caliper set.
d.
Without installing shim (7), install spindle assembly (1) inside housing (9).
e.
Place housing (9) on clean, flat surface. Measure from top of pinion gear (8) to surface and from edge of bore in
housing to surface. Subtract second reading from first. Record as dimension B. Use caliper set and dial indicator
f.
Calculate shim thickness using above measurements and M.D. dimension (etched on pinion gear). Shim thickness
= A/2 B + C M.D.
g.
Peel new laminated shim (7) to calculated thickness or next thinner laminate. Keep removed laminates for later use
in Step 21 below.
h.
Remove spindle assembly (1) from housing (9).
0016 00-8
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