Rotax 912 i Series Maintenance Manual page 299

INSPECTION
COOLING SYSTEM
SINGLE PARTS - CHECK
NOTICE
WARNUNG
Cracks in cooling system components are not
permissible! If in doubt, check the affected parts
for cracks using the dye penetrant method.
NOTICE
WARNUNG
Preformed hoses must not be shortened, as this
affects the position of the expansion tank.
Replace non-reusable or damaged hoses.
- Clean all parts carefully.
- Check the preformed hoses for damage and
wear.
- Check the temperature sensor. To do this,
see section 76-70-00 Sensors and actuators.
NOTE: Scuffing marks (including scratches) are
permissible up to a maximum depth of
0.50 mm (0.0197 in.).
- Check the spring type hose clips for damage
or deformation.
AXIAL POSITION OF WATER PUMP
SHAFT INSPECTION
See also section 75-20-00 Wear limits.
- Check the water pump shaft for wear and cor-
rosion.
NOTE: If corrosion is found, the water pump
shaft must be replaced.
Step
1 Check the axial position of the water
pump shaft and pump gear.
NOTE:
The wide collar of the gear
points inwards towards the
crankcase.
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
Fig. 14
1. Water pump gear 15T
3. Wide collar
EXPANSION TANK - INSPECTION
Step
1 Check the expansion tank for damage,
deformation and leaks.
Fig. 15
1. Expansion tank
2. Water pump shaft
Procedure
75-00-00
Page 11
July 01/2012