DISASSEMBLY AND ASSEMBLY
REMOVE FLYWHEEL HOUSING
Ratchet Box Wrench
a) remove exhaust elbow'
b) remove tachometer drive
c) remove crankshaft rear seal and wear
NOTE: Make sure there is a new rear crankshaft seal
and wear sleeve before the housing is removed. Anytime
the seal is removed from the wear sleeve a new sleeve
and seal must be installed.
Remove brackets (1) and (2) from the engine.
Use tooling (A) to remove the camshaft drive
gears from the camshafts.
Drain the oil from the oil pan.
Remove all of the bolts that hold the oil pan to.,
the engine. Install two 3/8"-16 NC guide bolts in
each side of the oil pan. Fasten a hoist to the
engine and lift the engine approximately 12 mm
(0.5 in.) off of the oil pan. Put two 50 mm wide x
100 mm long x 6 mm thick(2 in. wide x 4 in.
long x l/4 in. thick) plates in position between the
cylinder block and the oil pan on each side of the
engine. Lower the engine. Lower the engine on
the plates and remove the hoist. The weight of
the 3512 Engine is approximately 5443 kg (12,
000 lb.). The weight of the 3508, Engine is 4445
kg (9800 lb.).
Use tooling (B) to fasten a hoist to the flywheel
housing. Remove the bolts and remove flywheel
housing (3) from the engine. The weight of the
housing is 245 kg (540 lb.).
Remove O-ring seal (4) from the engine block.