d04924.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2/Rev. 0
75-00-00
page 20
August 01/2012
Fig. 9 08319
3.2.1) Overflow bottle
General note See Fig. 10.
The system also needs an overflow bottle in which surplus coolant is col-
lected and returned to the coolant circuit during the cooling down period.
NOTE: For proper operation ensure that the hose to the overflow
bottle is as short as possible.
Overflow bottle
requirements
- Transparent material
- Temperature resistant from -40 °C to +130 °C (-40 °F to 266 °F)
- 100 % resistant to glycol and suitable for all other antifreeze agents
- Volume approx. 0.5 l (.13 USgal)
- With vent (6), diameter 2.5 mm (0.1 in.)
NOTE: See also SB-912-039 “Modification of the overflow bottle“,
latest issue.
NOTE: The overflow bottle should be furnished with a label indicat-
ing function and content.
Capacity
Installation
4 Water inlet elbow
5 Overflow bottle
6 Purging
Part Function
To ensure proper operation of the cooling system, the
suction height between overflow bottle and expansion
tank must not exceed 250 mm (10 in.).
Non-compliance can result in serious injuries or death!
The overflow bottle must never be empty, otherwise air
will be sucked into the cooling circuit; this can have a
negative effect on the safe operation of the engine.
The overflow bottle and its supply and discharge must
not be installed close to the exhaust system, as emerg-
ing coolant can be flammable under certain conditions.
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