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 b.
Turn the flywheel, making sure that
e.
Before inserting piston, note
it is fully forward or rearward, so that
that the connecting rod and cap has
crankshaft end play will not be indicated
a large side.
The large side of the
as flywheel runout.
No. 1 piston and the large side of
the No. 2 piston must face each other.
c.
If the clutch face runout exceeds
The large side of the No. 3 piston and
specifications, remove the flywheel and
the large side of the No. 4 piston
check for burrs between the flywheel and
must face each other.
See figure 5-65.
the face of the crankshaft mounting flange.
f.
Insert assembly in cylinder
d.
Replace the flywheel or machine the
bore and tap top of piston with wood
crankshaft flywheel mounting face if the
hammer handle to prevent damage to
mounting face is not square with shaft
top of piston.
axis and perfectly flat.
Carefully guide connecting rod
g.
5-48.
on crankshaft to prevent damage to
CYLINDER SLEEVE INSTALLATION.
machined surfaces as piston is driven
a.
Cylinder bore in block and cylinder
into position.
sleeve must be free of all dirt and for-
h.
Install new lower bearing in rod
eign material.
cap, and dip in clean oil,
1.
Install connecting rod cap and
b.
Install new O-rings on cylinder
torque retainers to speccifications in
sleeves.
Table 5, page 5-14.
c.
Soap cylinder sleeve with oil soap
Check connecting rod side
j.
or liquid detergent.
clearance.
5-50 OIL PUMP ASSEMBLY
d.
Insert sleeve in sleeve bore, press
into place using finger pressure only.
a.
Refer to Figure 5-67 for parts
identification
e.
If sleeve will not position properly,
b.
Replace any parts that appear
check to see that O-rings are still in
damaged.
place and not damaged.
f.
Check to see that cylinder sleeve is
c.
Place oil pump in clean lubri-
properly seated by laying straightedge
cating oil until pump is full of oil.
across cylinder sleeve, use feeler gage to
measure distance between engine block and
d.
Use new gasket.
straightedge (see Table 5 for sleeve
The oil pump must be timed with
projection).
e.
the distributor.
See figure 5-68 for
5-49.
PISTON AND CONNECTING
special installation procedure.
ROD INSTALLATION.
BALANCER ASSEMBLY.
5-51.
a.
Install new piston ring sets onto
a.
Refer to figure 5-56 for parts
pistons as noted in Table 5, and stagger
identification.
ring gaps so that they are not in line.
Inspect all parts of the balancer
b.
Install new upper bearing, making
b.
assembly for wear or damage, partic-
sure it is free of all dirt and foreign
ularly gears and bearings.
material.
Replace any parts found to be
c.
c.
Dip piston and rod assembly in
defective before installing balancer
clean oil.
assembly.
d.
Compress rings with ring compressor.
5-41
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