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12. Apply a thin coat of silicone sealer to both
sides of each cylinder-base gasket; then
in-
stall each gasket onto a cylinder making
sure each gasket aligns with crankcase
transfer passages.
13. Rotate each piston ring until the ring end is
properly positioned over its ring keeper;
then apply oil to the piston assemblies and
cylinder bores. Remove the rubber bands
from the connecting rods
.
.
Fig. 2·69
0726-306
14. In turn on each cylinder, place a
piston
holder (or suitable substitute) beneath the
piston skirt and square the piston in
respect to the crankcase; then using a ring
compressor or the fingers, compress the
rings and slide the cylinder over the piston.
Remove the piston holder and seat the
cylinder firmly onto the crankcase.
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Fig. 2·70
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A702
15.
Install the eight cylinder-base nuts, lock
washers, and washers; then temporarily in-
stall the exhaust manifold and secure to
''square'' the cylinders. Tighten the
cylinder-base nuts in three steps to 3.0-4.0
kg-m (22-29 ft-lb) using a crisscross pattern.
Remove exhaust manifold.
26
.
16. Place each head w/gasket into position and
instal I the 12 nuts. Tighten to 1.8-2.2
kg-m
(13-16
ft-lb) using the torque pattern
shown.
Fig. 2·71
0725·320
17. Install the
spark
sp
lugs
and tighten
to
2.5-3.0
kg-m (18-22 ft-lb).
18. Test the
engine for air
leaks
using the
following
procedure:
a.
Install two intake-flang
e
port plugs and
tighten
the
flange
clamps secure
ly.
b.
Place
a rubber plug and
cover on
each
exhaust port and secure
.
c.
Connect
a tester pump
to
the
impulse
fitting
on
the
crankcase;
then
pressurize the
crankcase
to 12
lb and
close
the
valve .
Fig. 2·72
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CAUTION
DO NOT
exceed
15 Ii
pr1SS11re or damage to the
. . wlramlt.
8325
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