Fitting Of Coolant Hoses; Fitting Of Intake Manifolds; Fitting Of An Extra Carburetor Support - Rotax 912 Series Maintenance Manual

14.10) Fitting of coolant hoses

See fig. 005.
Fix all coolant hoses coming from expansion tank to the coolant exit on cylinder heads
with spring type clamps 23 mm (.905 in.). Also fit the coolant hoses between water pump
and coolant entry into cylinder heads with spring type clamps 23 mm (.905 in.).
NOTE:

14.11) Fitting of intake manifolds

See fig. 012, 105 and 195.
Place both intake manifolds showing inwards, together with O-rings 34-2 Q on
cylinder head and attach with 4 each Allen screws M6x25 W and M6x70 E along with
lock washers. Torque to 10 Nm (90 in.lb), see also para 13.4.12.
3
2
7
1

14.12) Fitting of an extra carburetor support

See fig. 197 and 198.
Check tension spring Q for mobility on cheese head screw W and engage spring on
bracket E by using a suitable tool. Ensure that the two lugs R of the clamp point
upwards. Rectify as required.
CAUTION:
If instead of the Allen screw and the spacer a cheese head screw is fitted the support
kit part no. 887.730 (fig. 198) has to be used.
Same procedure with the 2nd carburetor.
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Position the hose clamps so that no neighbouring coolant hoses can
be damaged.
NOTE:
5
6
Attach compensating tube R and the hoses T on both ends
with hose clamps 15/9 Y. Share hose clamp Y to attach one
each bracket U for carburetor support.
NOTE:
4
00313
fig. 196
To render the carburetor support effective, a
distance of 40 mm (1,57 in.) between cheese
head screw W and bracket E has to be
maintained.
Do not squeeze the O-rings.
Verify position of hose clamp with head of the
clamp screw towards propeller flange and lugs
of clamp pointing upwards to achieve the proper
pretension of carb support spring.
page 118
Initial issue, Jan. 01/2002