Repair - TM-9-2815-200-350340

Repair

6-21.

a. General. Refer to paragraph 6-4.

Torsional Vibration Damper. R e p l a c e

torsional vibration damper when it does not

c o n f o r m to limits specified in overhaul standards

(table 6-11). Replace damper when dented or

distorted. Remove minor imperfections with

crocus cloth.

c. Flywheel and Transmission Drive Gear-

shaft. Repair elongated dowel pin holes in

flywheel and gearshaft by reaming to either

0.005 or 0.010 inch oversize. Install the ap-

propriate o v e r s i z e d o w e l p i n s . I t w i l l b e

necessary to line ream the crankshaft flange,

flywheel, and transmission drive gearshaft to

install the replacement oversize pins.

d. Transmission Drive Gearshaft Bushing-

t y p e Bearing. W h e n t h e g e a r s h a f t b u s h i n g - t y p e

bearing needs replacement, use a suitable arbor

and an arbor press to remove bushing-type

bearing as shown in figure 6-42. Press new

bushing-type bearing into gearshaft using arbor

press as shown in figure 6-43. Ream the

bushing-type bearing from 1.3775 to 1.3780

i n c h after installation. When oversize dowel pins

Figure 6-43. Pressing bushing-type bearing

have been installed in the crankshaft, trans-

into transmission drive gearshaft.

m i s s i o n drive gearshaft dowel pin holes must be

e . Accessory Drive Gear. Refer to paragraph

reamed to the proper oversize dimension.

6 - 4 h for repair of accessory drive gear.

Figure 6-42. Pressing bushing-type bearing

from transmission drive gearshaft.

6-46