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Preparations:
– see M 12.10.
Dismantling:
– Pull terminal 7 off the solenoid valve
(only version with electric engine shut-
down).
– Remove the screw (111/28) with sealing
rings (111/36).
– Make a scribed mark on the crankcase
and the monitoring block, so that the
monitoring block can later be re-atta-
ched in the same position as before,
and the original power setting is there-
fore retained.
– Take out the retaining screws (111/5)
and take off the engine monitoring
block.
Dismantling the engine monitoring
block:
– Unscrew and remove the cover (111/9)
with sealing ring (111/10); on version
with electric engine shutdown, unscrew
the solenoid valve (110/21) and take it
off complete with sealing ring (110/23),
armature (110/24) and spring (110/25).
– Remove the screw plug(111/8).
– Take off the lock washer (111/26), pull
up shaft (111/12) take out lever
(111/15), drive out locking collet
(111/14) and remove shaft (111/12)
from the housing.
– Remove circlip (111/22); hold eccentric
(111/21), slacken off grub screw
(111/17) and pull out the eccentric with
springs (111/20,25) and piston (111/18).
3
L / M . . 09.96
110
111
M 12.00 Extra-fuel device
M 12.20 with injection pump PFR 1K 90
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