d04923.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2/Rev. 0
73-00-00
page 13
August 01/2012
2.1.1) Drainage piping on airbox and drip trays
General note See Fig. 7
Drainage piping Requirements on the drainage piping:
- The lines have to be routed such that in case of damage the surplus
fuel is drained off suitably.
- Route the lines without kinks and avoid tight bends.
- Route the lines with a continuous decline.
- The lines have to be protected against any kind of blockage e.g. by for-
mation of ice.
Float chamber
venting lines
Float chamber venting lines (1):
Connecting nip-
ple for leakage
line
Connecting nipple (3) for leakage line:
Non-compliance can result in serious injuries or death!
Connect drainage lines well, otherwise emerging fuel
from a possible leakage could drip onto the exhaust
system. RISK OF FIRE!
With closed or blocked leakage piping, fuel could end
up on exhaust system. RISK OF FIRE!
The float chamber venting lines (1) have to be routed
into a ram-air and vacuum free zone or into the airbox,
according to the requirements and release of
BRP-Powertrain. See chapter “air intake system“.
These lines must not be routed into the slipstream or
down the firewall.
Pressure differences between intake pressure and
pressure in the carburetor chambers may lead to
engine malfunction due to incorrect fuel supply.
Outside dia. 6 mm (1/4‘‘‘)
Slip on length Max. 17 mm (11/16‘‘)
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