Rotax MMH-912 Series, Руководство по обслуживанию

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74-00-00
page 44
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02624
BRP-Rotax
Maintenance Manual
On newer engine versions (electronic module with 6+ 4 pin plug):
See Figs. 74-25 and 74-27.
Remove plugs from the intake openings and insert O-rings (33) 34x2 in the
groove (34) of the cylinder heads. Fit both intake manifolds (35) with pre-
assembled ignition electric set and tighten crosswise with 4 allen screws M6x25/
70 and lock washers. Insert rubber buffer (18) into bracket (36) of ignition
housing and tighten with hex. nut and lock washer.
Place retaining bracket (13) in position and fix ignition electric set on crankcase
with allen screw (38) M8, washer and lock washer. Now tighten all screws and
nuts of the ignition electric set.
Fit grounding cables (9) and (26) on the nubs (41) at the intake manifold with hex.
screw (8) M6x16 and lock washer. Engage both 6-pin connector receptacles for
the trigger coil kit in the connector holder (42) and insert the connector
receptacles for the electronic modules.
◆
NOTE: The pick-up cable of ignition circuit A (top module) is marked at
the end of the isolating hose with the colors blue and red. Those
of ignition circuit B (bottom module) are marked green and
colorless (neutral).
◆
NOTE: Ensure that they are plugged in in the correct position on the
connector holder!
Plug connection A ---> „"top“
Plug connection B ---> "bottom“
Route the whole cable assembly into the cable clamp and attach it to the ignition
coil holder (17) with LOCTITE 221 together with the electronic module using
allen screw (6) M5x25.
■
CAUTION : The cable shielding must be fully inserted into the cable clamp
to assure optimum grounding.
Fit two ignition cables (39) for each of the lower spark plugs into the glass fiber/
silicone protection hose (5) and route them between the cylinder heads. Thread
identification rings (1 - 4) onto the ignition cables as shown on the wiring diagram
and screw resistance spark plug connectors (40) onto the ignition cables, secure
with tie wraps (25) and fit onto the spark plugs as shown in the wiring diagram.
Attach 4 ignition cables each for cylinders 1 - 3 and 2 - 4 to the coolant hose with
a new tie wrap.