TM 5-4930-244-14
d. Installation.
CAUTION
To prevent damage to bearings (32 and 33) use care when installing bearings in
crankcase (3) and when installing crankshaft (20).
NOTE
Apply a light coating of oil to bearings (32 and 33) and mating surfaces during
replacement.
(1)
Install new bearing (3) in crankcase (3) at gear end.
(2)
Install new washer (34) In crankcase (3) at gear end Make sure groove side of washer (34) is facing away from
the crankcase (3).
(3)
Install new bearing (32) in housing (26).
(4)
Install new washer (31) and two new pins (35) in housing (26).
(5)
Install new seal (30) in housing (26).
NOTE
Threaded end of crankshaft (20) faces housing (26).
(6)
Install crankshaft (20) through flywheel end of crankcase (3) and into bearing (33) at gear end.
(7)
Fit new gasket (28) to bearing housing (26) and carefully install housing (26) in crankcase (3) taking care not to
damage seal (30) on keyway of crankshaft (20).
(8)
Install guard (27), nuts (24) and washers (25) and torque nuts diagonally to 17 Ib-ft (23 Nm).
(9)
Check clearance between face of thrust washer (31) and crankshaft (20) Clearance should be 0.004 inch to 0 025
inch (0.102 mm to 0 635 mm) maximum. If end float clearance is incorrect, replace crankshaft (20).
(10)
Install new woodruff key (29) In crankshaft (20).
(11)
Apply sealing compound to six screws (21). Install screws (21), washers (22), and fan (23) in flywheel (17).
(12)
Install flywheel (17) with fan (23) facing crankcase (3), aligning flywheel (17) groove with woodruff key (29) Install
new washer (18) and nut (19) on crankshaft (20).
NOTE
To prevent flywheel (17) from turning, insert bar stock through timing hole in bell
housing and through hole in flywheel (17)
(13)
Torque nut (19) to 155 Ib-ft (210 Nm) Bend tabs of washer (18) against flats of nut (19).
(14)
Align holes in camshaft gear (13), with screw heads of thrust plate behind gear (13).
6-21
