Hyundai F4GE9454J*J604, Техническое и ремонтное руководство

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Figure 68
Figure 69
75688
- Place the head (3) over the block and insert screws (1)
and (2).
If the valves have been removed from the head, it
is necessary to assemble them before assembling
the head itself on the engine block.
76115
Figure 70
- Carry out the assembly of the rocker arms after previous
check of the components.
ROCKER ARM UNIT COMPONENTS:
1. Elastic ring - 2. Spacer- 3. Rocker arms-
4. Support.
Figure 71
116391
SHAFT AND ROCKER ARM BASIC DATA
Check the coupling surfaces of bearing and shaft: no evidence
of excessive wear shall be detected or damages.
Replace if necessary.
Figure 72
ROCKER ARM ADJUSTMENT SCREW
If unscrewed, check adjustment quota.
Tighten the screw-threaded nut (1) to the i 4
÷
6 Nm couple.
-
Lubricate cylinder head bolts and install to head.
-
Bolts must be torqued using stitching pattern starting
with the centre bolts and moving out. Bolts to be
torqued in stages: all bolts torqued to snug torque, then
90 degrees rotation for all bolts. Then a further 90
degrees for the M12 x 140 and M12 x 180.
M12 x 70 50 Nm + 90 deg’s
M12 x 140 40 Nm + 180 deg’s
M12 x 180 70 Nm + 180 deg’s
1
2
3
4 5
6
7
8
9
10 11
12
13 14
α
1
2
3
4
75705
1
2
3
4
1
2
3
75704
18.975
18.963
19.000
19.026
19.000
19.026
NOTE
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D1 D2
NOTE Before using the fixing screws again, measure them
twice as indicated in the picture, checking D1 and
D2 diameters:
if D1 - D2 < 0,1 mm the screw can be utilised again;
if D1 - D2 > 0,1 mm the screw must be replaced.
13.00
11.00
SECTION 3 - AGRICULTURAL APPLICATION
27
F4GE N SERIES
Print P2D32N010 E Base - February 2009