Rotax 912 i series - Chapter: 12-20-00 Scheduled Maintenance

BRP-Rotax
MAINTENANCE MANUAL LINE
Chapter: 12–20–00
SCHEDULED MAINTENANCE
TOPICS IN THIS CHAPTER
Engine cleaning.......................................................................................................................................3
Visual inspection.....................................................................................................................................4
Checking the engine suspension ............................................................................................................4
Corrosion..............................................................................................................................................4
Leakage check.........................................................................................................................................5
Differential pressure check......................................................................................................................7
Compression check for fault-tracing ........................................................................................................9
Engine management ECU...................................................................................................................... 11
Checking ECU ....................................................................................................................................12
Read out the ECU data memory ...........................................................................................................12
Locking/Loosen of the crankshaft .........................................................................................................13
Test run of engine..................................................................................................................................15
Checking the V-belt tension...................................................................................................................17
Belt tension adjustment........................................................................................................................18
Air intake system...................................................................................................................................19
Checking air intake system...................................................................................................................20
Cleaning the dry air filter ......................................................................................................................20
Replacing the dry air filter.....................................................................................................................22
Cooling system .....................................................................................................................................23
Checking the cooling system ................................................................................................................24
Replacing the coolant ..........................................................................................................................24
Flushing the cooling system .................................................................................................................26
Expansion tank, radiator cap ................................................................................................................27
Overflow bottle ....................................................................................................................................28
Accessories (including radiator, radiator hoses, hose clamps, cooling air
ducts) .................................................................................................................................................28
Fuel system ...........................................................................................................................................29
Leak tests ...........................................................................................................................................30
Checking the fuel lines .........................................................................................................................30
Checking the fuel pressure regulator.....................................................................................................30
Fuel pumps.........................................................................................................................................31
Check valves ......................................................................................................................................31
Fuel injectors ......................................................................................................................................31
Fuel rail ..............................................................................................................................................31
Lubrication ............................................................................................................................................32
Oil change ..........................................................................................................................................34
Oil filter replacement............................................................................................................................35
Inspecting of the oil filter components....................................................................................................37
Installing new oil filter...........................................................................................................................39
Cleaning the oil tank ............................................................................................................................40
Purging the oil system..........................................................................................................................42
Effectivity: 912 i Series
Edition 2/Rev. 0
12–20–00
Page 1
September 01/2018