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TM 5-4210-220-34
3-8.
ENGINE - Continued
3-8.7
Gear Train - Continued
(21)
Position the blower drive support thrust
washer (9) so that the slots in the thrust
washer register with the tangs on the thrust
bearing (10).
(22)
Secure the gear on the support with the
lockwasher (8) and nut (7). Tighten the nut
to 60 ft lb (81 Nm) and bend the tabs on the
lockwasher against the flats on the nut.
(23)
Using feeler gages, measure the
clearance between the blower drive gear
support thrust washer (9) and the blower
drive gear thrust bearing (10). The
clearance should be 0.005 to 0.010 in.
(0.127 to 0.254 mm) with new parts and
should not exceed 0.012 in. (0.0305 mm)
for used parts.
NOTE
Do not install lockwashers against the flex plates.
(24)
If the flex plates (4) were removed for the blower drive gear hub (2), then secure them to the gear hub using
three special 3/8 in. 24 X 0.925 in. locking bolts (5). Tighten the bolts to 39 ft lb (53 Nm).
(25) To assemble the blower drive gear hub assembly to the gear (11), install the special 3/8 in. 24 X 0.925 in.
locking bolts through the flex plates and position the spacers (6) on the bolts. Thread the bolts into the gear
and tighten to 39 ft lb (53 Nm).
(26)
Install blower drive gear support as detailed in the INSTALLATION section preceding.
3-150
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