TM 5-1940-322-24
0158 00
CAMSHAFT, CAM GEAR, AND CAM BUSHING MAINTENANCE (Contd)
NOTE
Both engine camshafts and bushings are replaced the same way.
This procedure covers replacement of one engine camshaft and
bushing.
REMOVAL
1.
Install twelve wooden dowels from tappet installation kit into tops of twelve tappets (1). Lift
tappets (1) off camshaft lobes and install rubber bands around each set of wooden dowels.
2.
Rotate crankshaft (5) and align timing marks on camshaft gear (2) with marks on crankshaft gear (4).
3.
Remove two screws (7) from camshaft thrust support (8) and engine block (6).
CAUTION
Camshaft must be supported and rotated slowly as it is being
removed from camshaft bushing and engine block. Failure to
comply may result in damage to camshaft or camshaft lobes.
4.
Slowly remove camshaft (3) from bushing (9) and engine block (6).
5.
If camshaft gear (2) or camshaft (3) is being replaced, place camshaft (3) in hydraulic press, support
gear (2) and camshaft (3), and press camshaft (3) out of gear (2).
6.
Remove key (10) from camshaft (3).
WOODEN DOWELS
1
RUBBER BANDS
0158 00-2
