CAMSHAFT ASSEMBLY INSPECT/REPAIR/REPLACE.
This task covers: a.
Tool kit, general mechanic's (Item 1, Appendix B)
Dial indicator (Item 3, Appendix B)
Camshaft installation, pilots (Item 44, Appendix B)
Gear cover assembly
Outside micrometer (Item 36, Appendix B)
Inside micrometer (Item 4, Appendix B)
Cam followers removed
V-blocks (Item 3, Appendix B)
General Safety Instructions
Well ventilated area for cleaning operations
Dry cleaning solvent P-D-680 (Item 30, Appendix C)
Grease (Item 16, Appendix C)
Crocus abrasive cloth (Item 1, Appendix C)
Check camshaft gear backlash as follows:
Attach dial indicator (1) to guide stud (2)
screwed into engine block.
Rotate camshaft gear (3) as far clockwise as it
will move by hand and hold in place.
Crankshaft gear (4) must not move.
Position indicator probe (5) to camshaft gear
(3) tooth and set indicator (1) to zero.
Rotate camshaft gear (3) counterclockwise and
read dial indicator (1) when rotation stops.
If backlash is more than 0.020 inch (0.51 mm),
camshaft gear (3) must be replaced.