Engine
SHOP MANUAL
Ch 1 page 83
Valve adjustment DC9 with PDE
Checking, adjusting the PDE32 injector and
rocker arms (I)
If reading cannot be taken from underneath:
Disassemble the upper inspection coverplate.
Turn the flywheel with tool Mx no 531447 to valve overlap on cyl-
inder 1 (which corresponds to TDC up (0°) in the upper opening).
Then turn the flywheel anti-clockwise 144° at a time and observe
the valve overlap.
Rotate the flywheel using tool 8405 so that the mark on the
flywheel UP TDC is visible in the upper window according to the
table below.
Turn the flyhwheel 1 or 2 times to valve overlap on cylinder 1
Order of adjustment for valve clearance and PDE unit injectors:
See table below.
Valve
overlap on
cylinder
TDC Up
(0°) 1
2
4
5
3
Adjust the
valves on
cylinder
5
3
1
2
4
Adjust unit
injector rocker
arm on cylinder
5
3
1
2
4
Mx No. 531447
Figure 157
Figure 158
Figure 160
Figure 159
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