Overflow Bottle - Rotax 912 ULS 3 Installation Manual

◆ NOTE:
■ CAUTION:
Requirements on the overflow bottle (7)
- transparent material
- unaffected by temperatures from - 40 °C (- 40 °F) to +125 °C (257 °F)
- resistant against 100% Glycol and any other anti freeze agent
- volume approx. 0,5 l (.13 US gal)
- possible to vent (6), diameter 2.5 mm (0.1 in.)
◆ NOTE:
▲ WARNING: Ensure that the overflow bottle will never be empty, otherwise
■ CAUTION:
◆ NOTE:
6
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
For proper operation keep hose to overflow bottle as short and
small as possible (see section 12.6 Expansion tank to overflow
bottle hose ).
To warrant the proper operation of the cooling system the
delivery head between overflow bottle and expansion tank
must not exceed 250 mm (10").
The overflow bottle ought to be furnished with a label indicating
function and content.
air will be sucked into cooling circuit causing cooling system
failure.
The overflow bottle and their supply and discharge will never be
install direct of the exhaust system, coolant can be sometimes
to inflame.
To vent coolant steam from the expansion bottle in case of
overheating, the plastic cap can be retrofitted with a hose
nipple and hose.
The vent line (5) has to be routed in a way that no coolant can
get in contact with the hot exhaust system.
The venting line must be routed in a continuous decline or
furnished with a drain bore at it's lowest point to drain possible
condensation.
The vent line has to be protected from any kind of ice formation
from condensation. Protection by insulation, or routing in a
hose with hot air flow or by furnishing the vent line with a bypass
opening (slot) (6) before passing through cowling (7). See Fig.
30.
7
09132
Fig. 30
page 59
May 01/2007