Locking/Loosening Of The Crankshaft - BRP Rotax 915 i A Series Maintenance Manual

LOCKING/LOOSENING OF THE CRANKSHAFT

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
Rev. 1
BRP-Rotax
MAINTENANCE MANUAL LINE
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.
NOTE
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 (4) into the crankcase. While doing so, move the
crankshaft with the propeller until the locking screw engages in the recess
of the crankshaft, and tighten to 10 Nm (89 in.lb).
m WARNING
Description
Thread bolt (1)
12–20–00
Page 13
June 01 2019