Subaru 1600 Service Manual page 88

b. Clean all disassembled parts.
c. Install the check ball, check ball
spring and check ball retainer on
the plunger, being careful not to
tilt them.
A5-683
Fig. 3-93
d. Install the plunger spring in the
valve body and ftll the body with
clean engine oil.
e. Insert plunger into valve body and
push check ball with drift pin
[outer 3.2 mm (l/8 in) dia.] until
the plunger comes into contact
with the body while making an
opening between the check baIl and
plunger.
f. Insert a suitable pin into the oil
hole in the body and remove the
drift pin.
Pin-,
2.5 (1/10) dia.--I
Unit: mm (in)
A5·684
Fig. 3-94
g. After refilling with clean engine oil,
insert the push rod seat, install the
clip in place and remove the pin.
h. Again make sure that the push rod
seat does not move into the valve
body when forcibly pushing the
seat with the push rod.
If
it does, replace the valve lifter
with a new one.
ENGINE
9. Push Rod
1) Check for any sign of bending or
damage, and replace if defective.
Deflection of center
For 1600
(Knurling: 2)
For 1800 with solid
Overall valve lifter
length (Knurling:
1)
For 1800 with hydrau-
lic valve lifter
(Knurling: nothing)
Fig. 3-95 Checking push rod for
bending
10. Crankcase
Check crankcase for the follow-
ing items, and correct or replace if
defective.
1) Check for cracks and damage
visually. Especially, inspect important
parts by means of red check.
2) Check the oil passages for clog-
ging.
3) Check stud bolts on the crankcase
for looseness. If any stud bolt is loose,
correct or replace. If it is bent, correct
so that the cylinder head can be
installed smoothly.
2) Check the oil hole in push rod for
clogging and clean if necessary.
0.4 mm (0.016 in) or less
219 219.4 mm (8.62 - 8.64 in)
230.7 - 231.1
rom
(9.08 - 9.10 in)
231.7 - 232.2 mm (9.12 - 9.14 in)
Use Stud Bolt Wrench (898878600)
to screw the stud bolt into crank-
case.
NOTE:
Coat the stud bolt threads with
a
torque-holding 58alant (Loctite 210 or
211, or equivalent) before installation.
A5·294
Fig. 3-96 Installing cylinder head
stud bolt
4) Inspect the crankcase surface that
mates with cylinder head for warping
by using a straight edge. and correct
by grinding if necessary.
Farpin g limit
I
0.05 mm (0.0020 in)
I
Stud Bolt
1,800 cc 1,600 cc
Length
91.5 - 93.5 mm 90.5 - 92.5 mm
(3.602 - 3.681 in) (3.563 - 3.642 in)
Torque
34 - 44 N'm
(3.5 - 4.5 kg-m, 25 - 33 ft-Ib)