Saab 95 1967, Service Manual

Page: 152 / 610

Replacement of disc-shaft bushing
1. Fill the bushing with grease.
2. Introduce centering tool 78 40 648 into bushing and
tap gently with a plastic mallet in order to drive out
the bushing. If necessary, gradually add more grease
as the bushing is being driven out.
REMOVING THE
DISC SHAFT BUSHING
Tool 78 40 648
3. Remove all grease from the crankshaft and from the
tool. Take care so that no grease adheres to the fric-
tion surface of the flywheel.
4. Fit a new bushing, using centering tool 78 40 648.
Replacement of ring gear
(Flywheel removed)
1. Make center pops in the ring gear and drill two holes
with a diameter of 0.28 or 0.32 in. (7 or 8 mm) as
shown in the illustration. As a rule, the ring gear splits
off during drilling, but otherwise it can easily be
knocked off with the aid of a chisel.
SPLITTING OF RING GEAR BY DRILLING
913—4
NOTE
passes through the ring gear
d not into the flywheel.
Make sure that the drill
only an
Place the new ring gear on a plate with a thickness Of
0.08—0.12 in. (2—3 mm) and heat It evenly With a
welding flame from below. TeSt frequently Pkplacing
the ring gear on the fIYWheeI Mm pliers until It (Imps
down onto the flywheel lug.
NOTE
The ring gear is induction-hardened and loses its
hardness if heated to temperatures above 5540]:
(290°C).
PISTON WITH CONNECTING
ROD
Disassembly
I.
2.
91:59)
99°F?”
10.
11.
12.
13.
14.
15.
16.
17.
18.
Install the engine on a work stand.
Drain the engine oil, if this has not already been
done.
Remove the air filter.
Disconnect the distributor vacuum line.
Remove the distributor, distributor cap and igni-
tion cables.
Remove the valve covers.
Disconnect the fuel line.
Remove the carburetor.
Disconnect the induction manifold bolts and nuts.
Separate the induction manifold from the gasket
and remove it.
Remove the rocker arm assembly by alternate slac-
kening of the two bolts and remove the oil return
plate.
Remove the push rods and keep them in the correct
sequence.
Remove the cylinder head.
Take away the cylinder head gasket.
Remove the tappets with the aid of a bent Wire and
keep them in the correct order.
Carefully remove any ridges or carbon deposits from
the upper end of the cylinder bore.
To prevent oil sludge and impurities from entering
the-engine, the oil pan must be removed with the
engine in the normal position. The engine must
not be turned over until this has been done.
Remove the oil pump.
Remove the crankshaft bearing cap nuts. Take off
the caps and bearing inserts and press the PIStO"
out with the handle of a hammer. Protect the crank
shaft bearing necks from coming into tron”!Ct with
the connecting rod bearing cap screws.