CAMSHAFT DRIVE GEAR MAINTENANCE - CONTINUED
Minimum force of 4500 lb (20 kN) must be obtained when pressing gear on hub. When pressing, only apply
force to inner hub of gear.
Lubricate contact surfaces of drive gear hub (7) and camshaft thrust plate (6) with clean engine lubricating oil.
Install drive gear hub (7) on camshaft thrust plate (6).
Install new woodruff key (8) in keyway of drive gear hub (7).
Apply a thin film of lubriplate to bore of camshaft drive gear (3).
Support drive gear hub (7) from engine side. Align keyway (9) of camshaft drive gear (3) with woodruff key (8) in drive
gear hub. Press camshaft drive gear onto drive gear hub until gear is firmly seated against hub shoulder.
Support camshaft drive gear thrust plate (6), as shown. With dial indicator, measure camshaft drive gear face runout just
inboard of drive gear teeth. Zero dial indictor. Rotate drive gear two full rotations. Maximum allowable total indicated
runout is 0.0045 in (0.114 mm).