Locking/Loosen Of The Crankshaft - Rotax 915 i A SERIES Maintenance Manual

General note
N N O O T T E E
The thread bolt for crankshaft locking is part of the standard tool kit supplied with
each engine.
Locking of the
crankshaft
Special tool For accomplishment the following special tool is required:
Figure 7.5: Special tool
Instruction The following work procedures are to be accomplished:
Step
Effectivity: 915 i A Series
Edition 0/Rev. 0
MAINTENANCE MANUAL

LOCKING/LOOSEN OF THE CRANKSHAFT

Risk of burns and scalds. Hot engine parts.
Always allow engine to cool down to ambient temperature before starting work.
Part number
240880
Procedure
1 Remove the plug screw (1) M8x20 and sealing ring from the crankcase half
(cyl. 2/4).
2 Turn crankshaft/propeller shaft until the piston of cyl. no. 1 and no. 2 are in
TDC position and lock crankshaft in this position with the thread bolt (2) part
no. 240880.
N N O O T T E E
The required recess position of the crankshaft can be additionally
verified by looking through the crankcase recess (3) with a flash
light.
3 Screw the thread bolt (2) into the crankcase. While doing so, move the
crankshaft to and fro slightly with the ring spanner until the locking screw
engages in the recess of the crankshaft, and tighten to 10 Nm (89 in.lb).
BRP-Rotax
m WARNING
Description
Thread bolt (1)
12–20–00
Page 13
December 01 2017