Cooling System; 1) Water Pump Removal - Rotax 914 F Maintenance Manual

13.3) Cooling system

Besides the maintenance work prescribed in Chapter 12) and description of the
cooling system, Chapter 9.1) further maintenance work is described as follows:

13.3.1) Water pump removal

Pic. 104
4
5
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Page Date
152 1997 02 01
See Pic. 105 and 106.
The water pump is integrated in the igni-
tion housing. For maintenance work
the magneto hub Q and the magneto
housing W have to be removed. On
some engine installations this re-
quires removal or partial lifting of
engine.
To remove the hex. screw
E M16x1,5 from the fly-
wheel hub, it is an ad-
vantage to lock the
crankshaft. This is
possible with crank-
shaft locking screw R,
part no. 240 880, see
„Special Tools"!
Remove the plug screw on the left crankcase half T. Turn
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crankshaft for cylinders no. 1 and 2 to Top Dead Centre
position. Lock with crankshaft locking screw R. To facilitate
finding of this position, turn crankshaft to have the 4-digit
number Y cast in the flywheel hub Q align with the edge U
8
of the ignition cover. Insert crankshaft locking screw into
crankcase. Turn crankshaft with a ring wrench slightly to
Pic. 105
and fro until the locking screw engages in the recess I of
the crankshaft, and tighten to 10 Nm (90 in. lb).
Main
914 F
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Reference
3
Pic. 106
1
6
7
2
Modification no.
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