DO NOT install crankshaft washer (15) or
retaining ring (14) if camshaft has to be
Fallure to allow clearance can damage oil
installed in crankcase. Camshaft gear will not
clear the retaining washer.
Mount oil pump (10) on engine using screws (8)
and lockwashers (9). Allow pump drive gear to crankshaft
(37), Use fabricated tool (table 5-2) to drive gear (16) into
gear clearance. Clearance must be 0.005-inch backlash.
place, with beveled side facing engine crankcase. Fully
Install oil cup assembly (1) into oil pump (10).
seat gear. Install crankshaft washer (15) and retaining ring
(14) only if camshaft has not been removed.
Install bracket (2) on center main bearing housing
and secure with lockwasher (3) and screw (4).
Install key (25) on crankshaft. Drive pump
coupling flange (39) onto end of crankshaft. Install washer
(40) and capscrew (41).
7-40. Camshaft Assembly and Tappets
Expansion plug must not protrude from rear
face of crankcase.
new camshaft bearings into place using
proper placement. Press bearing flush with bottom of
expansion plug recess. Press front bearing flush with
crankcase front surface with oil passages alined. Do not
attempt to ream bearings; they are a precision type. After
and lock ring (5).
rear bearing is installed, insert a new expansion plug in
Fill pump intake and outlet with oil to ensure that
recess, using sealing compound, and expand it into place
it is primed.
with sharp blows at its center.