Rotax 912-UL - Page 13

5.2) Coolant accumulator:
Slacken outerclamps 23112
and wittr-
draw
coolant accumulator along with
hoses.
Remove
crankcase
plug
screw.
Tum
crankshaft,
using
ring
spanner
24
a/f,
into
T.D.C.
position
on
cylin-
der
I
and 2
and
lock
crankshaft by
fining lock
screw 241'965 instead
of
plug
screw.
To facilitate
positioning
of crank-
shaft,
turn crankshaft
until align-
ment
of the
forged
four-digit number
O on flywheel
g
with
the edge 0 of
ignition
cover
is
given.
To
ensure
proper
engagement of
locking
screw
in
crankshaft,
turn crankshaft back
and
forth
till engaged and ttren tighten lock
scrcw to
apprcx. l0 Nm
(90
in.lb.).
5.3) Water
pump
housing:
With
engine fined
to trestle, turn
unit so that magneto
end shows up-
wards.
Loosen
8 clamps 23112
and
pull
off
the
4
coolant
hoses
from water
pump
O and cylinder heads. Remove
both
Allen
screws
O
M6x50
and take off
water inlet
manifold
0 along with
O-ring.
Three
additional
Allen
screws
M6
O
have
to be
removed
before
waterpump
housingand
gas-
ket can be taken off.