BRP ROTAX 912 Series - Detailed Scheduled Maintenance

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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 ........................................................................................................8

Locking/Loosening of the crankshaft ....................................................................................................10

Test run of engine..................................................................................................................................12

Checking the V-belt tension...................................................................................................................14

Belt tension adjustment........................................................................................................................14

Air intake system...................................................................................................................................16

Checking air intake system...................................................................................................................16

Cleaning the dry air filter ......................................................................................................................16

Replacing the dry air filter.....................................................................................................................18

Cooling system .....................................................................................................................................19

Checking the cooling system ................................................................................................................20

Replacing the coolant ..........................................................................................................................20

Flushing the cooling system .................................................................................................................22

Expansion tank, radiator cap ................................................................................................................23

Overflow bottle ....................................................................................................................................24

Accessories (including radiator, radiator hoses, hose clamps, cooling air

ducts) .................................................................................................................................................24

Fuel system ...........................................................................................................................................25

Carburetor synchronization ..................................................................................................................25

Mechanical synchronization .................................................................................................................26

Pneumatic synchronization ..................................................................................................................27

Idle speed check .................................................................................................................................31

Operating range check.........................................................................................................................32

Checking of the float chamber ..............................................................................................................34

Check the weight of floats ....................................................................................................................35

Idle speed adjustment..........................................................................................................................37

Checking the carburetor actuation ........................................................................................................38

Leak tests ...........................................................................................................................................39

Lubrication ............................................................................................................................................40

Oil change ..........................................................................................................................................42

Oil filter replacement............................................................................................................................43

Inspecting of the oil filter components....................................................................................................45

Installing new oil filter...........................................................................................................................48