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 FUEL SYSTEM
TESTING AND ADJUSTING
and timing pins.
INSTALL CAMSHAFT DRIVE GEARS
7. Drive Gear.
STORAGE POSITION FOR TIMING PINS
7.
Install camshaft drive gears (7) as follows:
10. Timing pin. 11. Cover.
a.
Put camshaft drive gears (7) in position on
11.
Install the 5M6213 Plug in the flywheel housing
the camshafts.
timing hole. Remove the engine turning pinion
and install the cover and gasket.
b.
Use hand pressure to turn and hold
camshaft drive gears (7) in the direction of
12.
Make sure the rocker arms are engaged
normal engine rotation. This removes all
correctly with the push rods and tighten the bolts
gear
clearance
(backlash)
between
to hold all of the rocker shafts in position.
camshaft drive gears (7) and the idler gear.
13.
Make adjustments to the valves and injector
c.
Install the plate (on left side of engine) and
timing. See VALVE CLEARANCE SETTING
drive gear (8) for the hydramechanical
and FUEL TIMING for the correct procedures.
protective system (on right side of engine)
to hold camshaft drive gears (7) to the
START UP PROCEDURE
camshaft.
Use this procedure when an engine is started for
d.
Tighten the bolts in steps to a torque of 100
the first time after work is done on the fuel system or
15 Nm (75 11 lb. ft.).
governor.
e.
Hit the face of the plate and drive gear and
1.
Disconnect the air inlet system from the
tighten the bolts to a torque of 100 15
turbochargers.
Nm (75 11 lb. ft.).
2.
Have a person in position near each
turbocharger air inlet with a piece of steel plate
f.
Again hit the face of the plate and drive
large enough to completely cover the
gear and again tighten the bolts to a torque
turbocharger air inlet.
of 100 15 Nm (75 11 lb. ft.).
NOTE: If necessary, do Step 7f until the bolts hold
Be careful when plate is put against air inlet opening.
are in full contact with the taper on the camshafts.
Due to excessive suction, the plate can be pulled quickly
against air inlet openings. To avoid crushed fingers, do
8.
Install the gasket and cover on the left side of
not put fingers between plate and air inlet opening.
the flywheel housing.
9.
Install the hydramechanical protective system on
3.
Start the engine. If the engine starts to run too
the right side of the flywheel housing.
fast or runs out of control, immediately put the
steel plates against the turbocharger air inlets.
10.
Remove timing pins (10) from the camshafts.
This will stop the air supply to the engine, and
Remove the timing bolt from the flywheel
the engine will stop.
housing. Install timing pins (10) in their storage
positions. Install covers (11) over the camshafts
120
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