B-- Camshaft, removal
Figure 3-32. (2) - Continued
b. Remove camshaft as illustrated on figure 3-32.
3-57. Installation
a. Install camshaft in block rotating as it enters to
3-56. Cleaning, Inspection and Repair
ease passage of lobes through bushings. Index timing
a. Clean all parts with an approved cleaning solvent
mark on camshaft gear with mark on
crankshaft gear.
and dry thoroughly.
b. Secure camshaft thrust plate to block as
b. Inspect gear housing and thrust plates for
illustrated on figure 3-32.
cracks, breaks, or worn condition. Repair or replace a
c. Attach dial indicator gauge with proper holder
damaged or defective housing.
and check camshaft end clearance and gear backlash as
c. Inspect camshaft gear for cracked, worn or
shown on figure 3-33. Proper end clearance must be
broken teeth. Replace a defective gear.
.007 to .011 inch and gear backlash 0.004 to 0.010. If
d. Inspect camshaft journals and lobes for scuffs,
end clearance is not within limits, remove camshaft
scoring, pitting or other damage. Measure camshaft
and change thrust washer as shown in figure 3-32.
bearing journals. Replace camshaft if journals are worn
smaller than 2.494 inches. Perform magnetic inspection
NOTE
on camshaft. Replace a worn or defective camshaft.
Block must be in upright position
when
checking
camshaft
end
clearance and gear backlash.
3-52
