d05398.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
79-00-00
Page 9
January 01/2012
1.5) Oil and purging line requirements
Oil lines Oil circuit, engine (main oil pump)
- Temperature durability: min. 140 °C (284 °F)
- Pressure durability: min. 10 bar (73 psi.)
- Bending radius: min. 70 mm* (2.76 in.)
* unless otherwise stated by the hose manufacturer
- Minimum inner dia. of oil lines in relation to total length
up to 1 m (39.37 in.) inner diameter minimum 11 mm (0.43 in.)
up to 2 m (78.74 in.) inner diameter minimum 12 mm (0.47 in.)
up to 3 m (118.11 in.) inner diameter minimum 13 mm (0.51 in.)
- Length of individual oil line: max. 3 m (9.84 ft.)
Purging line Purging line of oil tank
See Fig. 5.
- Route the line without kinks and avoid sharp bends.
NOTE: Water is a by-product of the combustion of fuel. Most of
this water will dissipate from the combustion chamber with
the exhaust gases.
A small amount will reach the crankcase and must be dis-
posed of through the purging line.
- The purging line must be routed in a continuous decline or furnished
with a drain bore at its lowest point to drain any condensate.
- The purging line must be protected from any kind of ice formation from
condensation, e.g. insulation protection or routing in a hose with hot air
flow and furnishing the vent line with a bypass opening (1) before the
cowling outlet (2).
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