page 4
July 01/2008
Effectivity: 914 Series
Edition 2 / Rev. 0
d04273
INSTALLATION MANUAL
BRP-Rotax
12) Cooling system ................................................................................................... 43
12.1) Description of the system ......................................................................................... 43
12.2) Operating Limits ....................................................................................................... 44
12.3) Coolant types ........................................................................................................... 45
12.4) Check cooling system - Efficiency of the cooling system .......................................... 46
12.4.1)Measurement of cylinder head temperature and coolant exit temperature .... 46
12.5) Determination of operating limits, Coolant and
necessary modification on radiator installation ......................................................... 48
12.6) Requirements on the cooling system ........................................................................ 50
12.7) Size and position of connections .............................................................................. 51
12.8) Requirements, feasible location and fitting position concerning radiator/
expansion tank/overflow bottle ................................................................................. 54
12.9) General directives for the cooling system ................................................................. 57
12.10 Coolant capacity ....................................................................................................... 59
12.11 Cooling air ducting .................................................................................................... 59
12.11.1) General directives for ducting of the cooling air .................................................. 60
12.12)Data for optional components of cooling system....................................................... 61
13) Lubrication system ............................................................................................. 63
13.1) Description of the system ......................................................................................... 63
13.2) Limits of operation .................................................................................................... 64
13.3) Checking of the lubrication system ........................................................................... 65
13.3.1) Measuring of the vacuum ..................................................................................... 65
13.3.2) Measuring of the pressure in the crankcase ....................................................... 66
13.4) Requirements on the oil- and venting lines ............................................................... 67
13.5) Connecting dimensions and location of connections ................................................ 68
13.5.1) Oil circuit (engine) ................................................................................................ 68
13.5.2) Oil circuit (turbo charger) ..................................................................................... 71
13.5.3) Oil tank .................................................................................................................72
13.6) Feasible position and location of the oil tank ............................................................ 74
13.7) Feasible position and location of the oil cooler ......................................................... 75
13.8) General notes on oil cooler ....................................................................................... 75
13.9) Filling capacity .......................................................................................................... 75
13.10)Venting (purging or priming) of lubrication system .................................................... 76
13.10.1) Venting (purging or priming) of turbocharger lubrication system ........................ 77
13.11)Inspection for correct venting (priming) of hydraulic valve tappets............................ 78
13.12)Replacement of components .................................................................................... 79
13.13) Data for optional components of oil system ............................................................. 80
14) Fuel system ......................................................................................................... 83
14.1) Description of system ............................................................................................... 83
14.2) Operating limits ........................................................................................................ 85
14.3) Requirements of the fuel system .............................................................................. 86
14.4) Connecting dimensions, location of joints and directives for installation ................... 87
14.4.1) Electric fuel pump ................................................................................................ 87
14.4.2) Check valve ......................................................................................................... 89
14.4.3) Fuel pressure control ........................................................................................... 89
14.5) Notes on checking of fuel pressure .......................................................................... 90
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