Service manual

ENGINE DISASSEMBLY
21. Remove the injection pump. Scribe the mating marks
on the pump body flange and the timing gear case
before removing.
I~ '. k:l
. I .
i
/ .
SCRIBED { .'
MATING MARKS !.
~ ilNJECTION
(PUMP .
a. Remove the cover and the lock nuts.
b. Loosen the two injection pump hold down nuts. Do
not remove entirely. The hold down nut on the engine
side
of the pump can be loosened by using a 114" /
universal socket and extension with ratchet.
c. Remove the nut and lockwasher from the injection
pump shaft.
NOTE: Take care not to drop the nut and the washer into
timing gear case.
d. Place the keyway on the injection pump shaft in
the
12:00 position with the aid of the front crankshaft
pulley bolt before attempting to remove the
injection pump.
e. With the use
of extractor #49 SE 01 157 apply
sufficient pressure to loosen the pump from the keyed .
gear. The loose hold down nuts will prevent the pump J
from falling from the engine ..
KEYWAY/
NOTE: If an extractor is not available, replace the nut on the
injection pump shaft loosely
and with a nylon drift and
hammer gently tap the injection pump shaft to dislodge it
from the keyed drive gear. )
f. Once loosened, remove the hold down nuts and
washers and carefully withdraw the pump from the
drive gear and engine so as to avoid losing the
injection pump drive key inside the timing case.
I REMOVING THE·
II' CRANKSHAFT
PULLEY
I ....
NOTE: Remove the crankshaft pulley bolt with the aid of a
38 mm socket and draw the pulley off the front crankshaft.
22. Remove the
timing gear cover.
23. Remove the injection pump gear and the oil baffle plate.
24. Remove the central
idler gear and idler gear spindle.
25. With a suitable
puller remove the crankshaft gear
and key.
Remove the
camshaft gear using a suitable puller.
1 INJECTION PUMP
GEAR AND BAFFLE PLATE
I
\718
D 718.
_ ~~TlMING \
• I i
GEAR
;
e .. /IC~~E
) • ~INJECTION PUMP GEAR
,~,.~ \TIMING GEARS· 718
\
NOTE: The 71 C gear arraignment uses two small idler gears
in place
of a single idler gear. The following disassembly
illustrations show the 71 B gear arraignment.
Engines & Generators
10