Rotax 915 i A series Maintenance Manual page 319

TOPICS IN THIS CHAPTER
Special tools............................................................................................................................................3
Service products .....................................................................................................................................4
System description .................................................................................................................................7
Coolant.................................................................................................................................................7
Radiator................................................................................................................................................7
Water pump ..........................................................................................................................................7
Expansion tank .....................................................................................................................................7
Overflow bottle ......................................................................................................................................7
Safety information .................................................................................................................................7
Connections for display systems ............................................................................................................8
Temperature sensor...............................................................................................................................8
Maintenance .........................................................................................................................................8
Removal ..................................................................................................................................................9
Expansion tank and coolant hose — removal.........................................................................................10
Cooling air-duct (optional) — removal ...................................................................................................12
Water pump housing — removal...........................................................................................................12
Disassembly..........................................................................................................................................15
Ignition housing — disassembly............................................................................................................15
Water pump shaft — removal ...............................................................................................................15
Oil seal and rotary seal — removal........................................................................................................15
Coolant hoses — removal ....................................................................................................................15
Water pump housing — disassembly ....................................................................................................16
Inspection .............................................................................................................................................17
Cooling system single parts — check ....................................................................................................17
Axial position of water pump shaft inspection .........................................................................................17
Expansion tank — inspection ...............................................................................................................17
Water pump housing — inspection........................................................................................................18
Wear limits ............................................................................................................................................19
Assembly ..............................................................................................................................................20
Ignition housing – assembly .................................................................................................................20
Water pump housing — assembly.........................................................................................................21
Coolant hose — installation ..................................................................................................................22
Installation.............................................................................................................................................26
Ignition housing — installation ..............................................................................................................26
Water pump housing — installation .......................................................................................................26
Cooling air-duct (optional) — installation ...............................................................................................27
Expansion tank and coolant hose — installation.....................................................................................27
Finishing work .....................................................................................................................................29
Effectivity: 915 i A Series
Edition 0/Rev. 0
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Chapter: 75–00–00
COOLING SYSTEM
75–00–00
Page 1
August 01 2018