b.
After
oil
seals
are
started on shafq
place
block on its
side. The
oil seals may now
be
driven
squarely
into
bearing
plate
and cylinder
block.
10.
Oil Base
a.
Use
pilot
studs
to align cylinder
block,
gasket
and oil base.
b..
A
new
gasket
must
be
used to
prevent
oil leakage.
c.
Assemble
oil
base to block
with four screws.
d.
Torque
pan
bolts.
Fisure 46
-
lnslollins
Oil
Seols
Fisure
{7
-
CheckinL"Uo,""
-
Toppel
Fisure
irt";rt,E:f;ing
€ylinder
11.
Installing and Setting Valves
a. Valves,
valve seats and
ports
should be thoroughly
eleaned.
Valves
should be
ground
and lapped-in to
obtaia
a
good
valve seat. Keep valve seat from
1132"
to
LlL6" in width.
b. Valve clearance
should be checked
cold.
c.
After
correct
clearanee is obtained, remove valves and
install valve springs and retainers.
Replae
valves,
compress
springs and
place
locking
keys
in
grooves
of valve stems.
12.
Cylinder Head
a. .AJways
1xle
a
new
gasket
when head has
been removed for service work.
b. Clreck
cylinder head
on face
plate
to be sure
gasket
surfaces make
good
contact
at all
points.
c.
It is important
that head
cap screlys
be tightened
evenly and in
steps
until
proper
torque
is reached.
d.
Install
new spark plug
and
tighteu
to speciffed torque. Spark
plug gap
should
be
.025.
13.
Breather
Asembly
&.
Reed
type breathers
are
used to maintain slight vacuum
in
erankcase.
AII
parts
must be clean and in
god
oondition
Use new
gaskets,
reed aud filter
for
reconditioned engine.
4L
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