Rotax MMH-912 Series, Руководство по обслуживанию

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Effectivity 912/914 Series
Edition 1 / Rev. 0
74-00-00
page 37
May 01/2007
d02624
BRP-Rotax
Maintenance Manual
3.15) Ignition electric set dismantling
See Figs. 74-24 and 74-25.
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NOTE: Before removal, mark all 8 ignition cables resp. check the
correct application of the identification rings (1)-(2)-(3 )-(4) of
cylinders no. 1 through 4 to avoid mix-up at reassembly.
Cut the remaining tie wraps (25) of the spark plug connectors and unscrew the
spark plug connectors.
Remove allen screw M5x25 (6) for the electronic modules (7) and tilt modules
sideways from the engine. Remove hex. screw M6x16 (8) and lock washer from
the intake manifold and the grounding cables (9) of both electronic modules and
(10) from the 4 ignition coils as well as the grounding cable of the sensor cable
assembly (26). Pay attention to the correct connection between electronic
modules and ignition coils.
3.15.1 Dual ignition coils replacement
On older engine versions (electronic module with 1+ 4 pin plug):
See Fig. 74-24.
For replacement of a dual ignition coil, the following dismantling
procedure is required:
Remove hex. nut M6 (11) and rubber buffer (12) with bracket (13).
Remove the allen screw M6x16 (14) from the rubber buffer (15) with
an allen key. Remove both hexagon socket screws (16) and ignition coil
holder (17) as well as the 3 rubber buffers (18) together with the bracket
(19).
Remove both allen screws M6x30 (20) from the distance nut M6 (21).
After detaching the double grounding cables (10), the dual ignition coils
(22) can be replaced individually. The ignition cables are screwed in and
therefore are replaceable.
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NOTE: With the exception of the dual ignition coil (23) for spark
plug 3 and 4 bottom, all are fitted in the same position,
with boss (24) upwards.