Rotax 912 Series Service Manual

Effectivity 912/914 Series
Edition 1 / Rev. 0
79-00-00
page 1
May 01/2007
d02628
BRP-Rotax
Maintenance Manual
SECTION 79
LUBRICATION SYSTEM
1) Table of contents
SECTION 79
LUBRICATION SYSTEM
1) Table of contents .................................................................................... 79-00-00 / 1
2) Systems description .................................................................................79-00-00 / 3
2.1) Lubrication system ........................................................................79-00-00 / 3
2.2) Main oil pump (Engine lubrication circuit) ...................................... 79-00-00 / 5
2.3) Suction pump (turbocharger oil circuit, only on 914 Series)..........79-00-00 / 8
2.4) Magnetic plug ................................................................................79-00-00 / 10
2.5) Drain plug ...................................................................................... 79-00-00 / 10
2.6) Connections for instrumentation ...................................................79-00-00 / 10
2.6.1) Oil pressure indication ......................................................79-00-00 / 10
2.6.2) Oil temperature indication ................................................79-00-00 / 10
3) Maintenance ...........................................................................................79-00-00 / 11
3.1) Oil pump........................................................................................79-00-00 / 11
3.1.1) Oil pump removal (main and suction pump) ....................79-00-00 / 11
3.1.2) Oil pump disassembly ......................................................79-00-00 / 14
3.1.3) Oil pump checking ............................................................ 79-00-00 / 15
3.1.4) Oil pump assembly (on 912 Series) .................................79-00-00 / 18
3.1.5) Oil pump assembly (on 914 Series) .................................79-00-00 / 19
3.2) Pressure check valve (only on 914 Series) ...................................79-00-00 / 20
3.3) Oil sump (only on 914 Series) .......................................................79-00-00 / 21
3.4) Oil tank ..........................................................................................79-00-00 / 22
3.5) Oil lines (steel lines) ......................................................................79-00-00 / 23
3.6) Oil lines ......................................................................................... 79-00-00 / 25
3.7) Oil cooler .......................................................................................79-00-00 / 25
3.8) Purging of lubrication system ........................................................79-00-00 / 26
3.9) Temperature- and pressure observation....................................... 79-00-00 / 26
3.9.1) Oil temperature sensor.....................................................79-00-00 / 26
3.9.2) Oil pressure sensor ..........................................................79-00-00 / 27
4) Wear limits ..............................................................................................79-00-00 / 29

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke