Hyundai F4GE9454J*J604, Technical And Repair Manual

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60
SECTION 3 - AGRICULTURAL APPLICATION
F4GE N SERIES
Base - February 2009 Print P2D32N010 E
Engine shaft
starting and
rotation
Bilance
valves
cylinder n°
Adjust intake and
exhaust valves
clearance cylinder
n°
1° al PMS 1 1
180° 3 3
180° 4 4
180° 2 2
Check of drive belt tensioning
There is an automatic tensioner which corrects the belt
tension.
Check of belt’s tear and wear status
Carefully verify the belt’s surface in order to detect any sign of
incision, crack, excessive wear in correspondence of toothing;
check end and surface grinding.
Check and setting of tappet clearance
Figure 117
2
1
3
75806
Danger: if the engine is switched off but is still hot,
unexpected motion of the belt may occur.
Wait for engine temperature cooling as a precaution
in order to avoid serious danger injury.
On TIER 3 engines, due to the additional lobe for the
INTERNAL E.G.R., it is not possible to use the valve clearance
adjustment procedure that requires adjusting the clearance of
all the valves by positioning the crankshaft 2 times only.
Each cylinder must be checked by taking it to the T.D.C. (top
dead centre) at the end of compression and adjusting the
clearance of both valves on the cylinder in question.
Remove the rocker covers of the cylinder; remove the injector
and place the tool 99395097(see Figure 98) to set the cylinder
top dead centre position (end-of-compression phase).
Pre-load the gauge.
The searched condition is obtained by rotating the engine
shaft properly until you find the maximum value on the
comparator and then checking that the intake and exhaust
valves are both closed.
Oil motor and filter replacement
Due to the several applications, the pan shape and the oil
quantity can change slightly. However, the following oper-
ations are valid for all applications.
We recommend to carry out the oil drainage when the motor
is hot.
- Place a proper container for the oil collecting under the
pan connected with the drain plug.
-
Unscrew the plug and then take out the control dipsick
and the inserting plug to ease the downflow of the lubrica-
tion oil.
Warning: We recommend to wear proper protec-
tions because of high motor service temperature.
The motor oil reaches very high temperature: you
must always wear protection gloves.
The oil motor is very pollutant and harmful.
In case of contact with the skin, wash with much water
and detergent.
Protect properly skin and eyes: operate according to
safety rules.
Dispose of the residual properly following the rules.
Adjust the slack between rocker arms and valves using socket
wrench (1), point wrench (3) and feeler gauge (2).
Correct slack is:
- suction valves 0.25

0.05 mm
- exhaust valves 0.50

0.05 mm.
IGNITION SEQUENCE: 1 - 3 - 4 - 2