TM 5-4210-233-14&P-2
6-41. BLOWER DRIVE - Continued
(8) Check clearance between blower drive gear support thrust washer (1 2) and blower drive gear
thrust bearing (13) with a feeler gauge. Clearance must not exceed 0.012 inch (0.30 mm) with
used parts. Specified clearance with new parts should be 0.005 to 0.010 inch (0.127 to 0.254 N.m).
(9) If the flex plates (7) were removed from the blower drive gear hub (6), attach the flex plates (7) to
the hub (6) with three special 3/8"-24 x .925 inch lock bolts (9). Tighten the bolts to 35-39 lb ft
(47-53 N.m) torque.
NOTE
Do not install any lock washers against the steel plates. (1 0)
Assemble the flex plates (7) and the hub (6) to the gear (8) with
three special 3/8"-24 x .925 inch lock bolts (5). Tighten the bolts
to 35-39 lb ft (47-53 N.m). (11) Install a new gasket (4) on
support (3) on engine. Secure support with both washers (2) and
screws (1). Tighten screws to a torque of 25 to 30 lb ft (34 to 41
N.m). (12) Install blower drives. Check backlash between drive
gear and camshaft gear. Backlash should be 0.002 to 0.008 inch
(0.051 to 0.203 mm) and should not exceed 0.01 0 inch (0.254
mm) with worn parts.
d. Follow-on Maintenance.
(1) Install fuel pump (see para 5-16).
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