Effectivity 912/914 Series
Edition 1 / Rev. 2
74-00-00
page 57
July 01/2008
d04353
BRP-Rotax
Maintenance Manual
3.23) External alternator (optional on 912/914 Series)
3.23.1) V-belt pulley removal
See Fig. 74-38.
After removal of the propeller, the V-belt pulley (3) remains loose on the
propeller flange (2).
After removal of the 8 allen screws M5x16 (7) with the lock washers (8),
the two pulley carrier plates (4), the V-belt pulley(3) and the narrow V-
belt (1) can be taken off.
3.23.2) Alternator removal
Remove the two hex. screws M8x20 (24) with the lock washers (25) and
washers (26) and the tension bar (20) below the external alternator.
Remove the hex. screws M10x45 (18) and take off the alternator (15)
with the washer (17).
Remove the two allen screws M8x20 (10) with the lock washers (11)
and take off the alternator bracket (9).
The alternator support (12) is attached to the gearbox housing with 2
allen screws M6x50 (13), lock washers 6,4 (14). After removal of the
attachment screws, it can be taken off.
3.23.3) V-belt pulley assembly
See Fig. 74-38.
Slide the pulley (3) fully over the propeller flange (2) and insert the V-
belt 9.5x675 (1) loosely in the V-belt pulley.
Insert the two pulley carriers (4) with the centering (5) facing the inside
(6) of the propeller flange and loosely preassemble the propeller with
the two pulley carriers.
Push the V-belt pulley (3) onto the two V-belt pulley carriers (4) and
attach with the 8 allen screws M5x16 (7) with lock washer (8).
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CAUTION: The two pulley carriers must be positioned precisely
with the centering exactly on the inside (6) of the
propeller flange.
Tighten the propeller with the preassembled pulley to the tightening
torque recommended by the propeller manufacturer.
Summary of Contents for MMH-912 Series
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