Group 21 Engine
Timing
gear
belrc, replacement
L21
Disconnect cold start device
Slacken
screw 1. Push lever foNard
and
rotate
sleeve
90'.
Note!Do notturn screw2 otherwise it llbe necessary
to remove
cold startdevice and resetit on a test bench,
Press
back lever against stop.
L22
Basic-set
inieciion
pump
Slacken
pump
mounting bolts
(Allen
key
=
6 mm).
Align
marks on
pump
and mounting
bracket by turning
pump.
Retighten mounting bolts.
Set
dial indicator zero. Lock
inlection using
stop 5193
Unscrew and rernove
plug
from
L23
pump gear
at cyl. 1
injection
pump
distri
Install holder 5194 and dial
indicator
{range
0 3 mm).
Set
gauge
to
approx.2 mm.
Turn
pump
gear
clockwise
until mark on
gear
and
mounting bracket coincide.
Then turn back
p!mp gear
siightly until min reading
registers
on dial indicator.
Set indicator to zero.
I!rn
pump
gearclockwise
until mark
on
gear
and
pump
mounting bracket
coincide. Lock
gear
in this
position
wilh stop
5193.
(lnsert
stop through
pump gear
inro
-r@
-v2a//J:'
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i
65
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