TM 10-4320-318-14
4-28. MAINTENANCE OF CRANK ASSEMBLY - (Cont)
(2) Remove capscrews (2), housing (3), and gasket (4).
(3) Remove gearwheel (5) and stop disc (6) from dry bushing on engine (7).
(4) If not already marked, place
(5) Remove nut (8), lockwasher
b. REPAIR.
alignment mark on pinion (10) in line with keyway of camshaft.
(9), and pinion (10).
WARNING
•
Solvent may cause toxic fumes. To prevent personal injury, work only in well-ventilated area. DO
NOT breathe fumes for a long time.
•
Solvent is flammable. To prevent fire or explosion, DO NOT bring open flame or sparks near
solvent.
(1) Clean housing (3) with cleaning solvent and rags.
(2) Check for smooth meshing of gear teeth of gearwheel (5) and pinion (10). Replace as a pair if not
correct meshing of gears.
(3) Inspect dry bushing on engine (7) and needle bearing inside gearwheel (5) for damage. Replace if
damaged.
c.
INSTALL.
(1)
(2)
(3)
(4)
(5)
(6)
Install pinion (10) with alignment mark in line with keyway on camshaft. Secure with lockwasher (9) and
nut (8).
Install stop disc (6).
Install gearwheel (5) aligning alignment marks of gearwheel (5) and pinion (10).
Fill housing (3) with grease.
Install gasket (4) and housing (3) on engine (7) with capscrews (2).
Insert starting handle (1) when ready to crank engine.
4-36
