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BRP ROTAX 912 Series User Manual

BRP ROTAX 912 Series
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BRP-Rotax
MAINTENANCE MANUAL LINE
EXPANSION TANK, RADIATOR CAP
Figure 7.13: Expansion tank, radiator cap
1 Pressure relief valve 2 Return valve
3 Rubber seal 4
Pressure spring
5 Connection to overflow bottle 6
Opening pressure of the radiator cap
7
Sealing surface
8 Tube connections
9
Sight glass
General note To equalize pressure in the cooling system, an expansion tank is required. If the pressure
in the system rises above 1.2 bar (17.4 psi) as the coolant warms up, the pressure relief
valve (1) opens and the coolant can flow into the overflow bottle via the line (5). When the
coolant cools down, the return valve (2) opens and the coolant is sucked back.
Radiator cap Inspect the rubber seal (3), the pressure spring (4) and the two valves incorporated in the
radiator cap for damage and leaks. If necessary, replace with a new original radiator cap
with 1.2 bar (17.4 psi) (6) opening pressure.
NOTE
The radiator cap must be tightened fully on the expansion tank until the stop lug is
contacted.
Expansion tank Inspect sealing surface (7) and tube connection (8) of the expansion tank. Carry out visual
inspection of tank for damage and scuffing marks.
Effectivity: 912 Series
Rev. 0
12–20–00
Page 23
January 01 2020

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BRP ROTAX 912 Series Specifications

General IconGeneral
BrandBRP
ModelROTAX 912 Series
CategoryEngine
LanguageEnglish

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