l-38
BASIC ENGINE
1-38
REMOVAL AND INSTALLATION (Continued)
FRONT OIL SEAL
Removal
Replacement of the front oil seal is recom-
mended whenever the cylinder front cover is
removed.
1. Drive out the old seal with a pin punch.
Clean the seal recess in the cylinder front
cover.
Installation
1. Coat a new seal with grease. install the seal
with Tool T72J-1177.
After installation, be
sure seal spring remains in proper
position.
A29554D
CAMSHAFT
The exploded view shows the camshaft and
related parts.
Removal
1. Remove timing chain and sprockets, follow-
ing procedure under Cylinder Front Cover
and Timing Chain. Check timing chain de-
flection before removal.
2. Remove the intake manifold and carburetor
as an assembly, following the instructions
under intake Manifold.
ways, and remove the push rods in
sequence.
4. Remove the valve tappets with a magnet
and place them in a rack in sequence. If the
tappets are stuck in bores, use plier-type
Tool (T52T-65000DJD or 6500-D) to remove
them. Rotate the tappet back and forth to
loosen it from gum or varnish deposits.
5.
Remove the camshaft thrust plate attaching
bolts, and carefully remove the camshaft
from the front of engine.
Do not damage
the camshaft bearings.
3. Remove valve rocker arm covers. Back off Refer to Page 1-15 for cleaning and inspection
all rocker arm bolts, turn rocker arms side-
procedures.
CAMSHAFT-6250
A THRUST PLATE-6269
A2959- B
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