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Preparations:
– see M 12.10.
Dismantling:
– Detach plug connector (164/1) from
engine wiring harness (electric version
only).
– Take out machine screws (164/3) and
detach cover (164/4) and solenoid valve
(164/5) with gasket (164/6)
– Make a scriber mark on the crankcase
and the servo block to ensure that they
are installed again in the same relative
positions and the power setting there-
fore remains unchanged.
– Remove machine screws (164/2) and
take off the servo block.
Inspection / repair:
– Turn lever (165/1) in the „Start“ direc-
tion. Shaft (165/2) is then turned by
locking pin (165/3) and the sickle-pat-
tern lever (165/4) moved to the starting
position.
When the lever is released, all elements
must return to the „Stop“ position
(Fig. 166).
Ensure free movement if necessary by
greasing or oiling lightly.
– Press piston (167/8) by hand in the
„Start“ direction:
The sickle-shaped lever must move to
the starting position, but return to the
„Stop“ position when the piston is relea-
sed.
3
L / M . . 09.96
164
165
166
M 12.00 Extra-fuel device
M 12.30 with PFR 1K 90 injection pump (from L / M 31.12, M 40.16,
2 L 40.19, 3-4 L 40.18 and L / M 41)
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