Crankshaft Removal And Installation - Ford LSG 875 Service Manual

l-47 BASIC ENGINE 1-47
REMOVAL AND INSTALLATION (Continued)
CRANKSHAFT
To perform the following operation, it is
necessary to install the engine on a work
stand.
The exploded view shows the crankshaft and
related parts.
Removal
1.
2 .
3 .
4 .
5 .
6 .
7 .
Disconnect the wires from the spark plugs.
Remove the spark plugs to allow easy rota-
tion of crankshaft.
Remove the fuel pump and the oil filter.
Slide water pump by-pass hose clamp to-
ward the water pump.
Turn the crankshaft until the connecting rod
from which the cap is being removed is down,
then remove the bearing cap. Push the connect-
ing rod and piston assembly up into the cylinder.
Repeat this procedure until all connecting rod
bearing caps are removed.
8. Remove the main bearing caps.
9. Carefully lift the crankshaft out of the block
so thrust bearing surfaces are not damaged.
Handle the crankshaft with care to avoid
possible fracture or damage to finished
surfaces.
Remove the crankshaft pulley from the
vibration damper.
Refer to Page 1-16 for cleaning and inspection
procedures. Clean the crankshaft damper.
Installation
Remove the bolt and washer from the end of
the crankshaft. Install a puller on the crank-
shaft vibration damper and remove damper
and spacer. Remove Woodruff key.
Remove the cylinder front cover and water
pump as an assembly. Check the timing
chain deflection. Remove the timing chain
sprockets and key.
Invert the engine on a work stand. Remove
the flywheel and the engine rear cover plate.
Remove the oil pan and gasket. Remove the
oil pump.
Make sure that all bearing caps (main and
connecting rod) are marked so they can be
installed in their original locations.
MAIN BEARING
1. Remove the rear journal oil seal from the
block and rear main bearing cap.
2. Remove the main bearing inserts from the
block and bearing caps.
3. Remove the connecting rod bearing inserts
from the connecting rods and caps.
4. If the crankshaft main bearing journals have
been refinished to a definite undersize, in-
stall the correct undersize bearing. Be sure
that bearing inserts and bearing bores are
clean. Foreign material under inserts will dis-
tort the bearing and cause failure.
5. Place the upper main bearing inserts in the
bores with tang in slot.
REAR BEARING
FLYWHEEL
CAP JOURNAL
INSERTS
6375
\
-6333_
Yb, .I
'6333
KEY
OIL SLINGER \
6310
\
CRANKSHAFT
-
6303
. B
BEARING
if / JOURNAL
/
6701
6359
/
Al 039902A