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Rotax 914 F User Manual

Rotax 914 F
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ReferenceModification no.
- 5 -
Page
101
Date
2003 03 01
Main
914 F
d03048
12.3.13) Check of the cooling system
Inspect all coolant hoses. Check all connections on cylinder head top- and
bottom side and on the water pump. Check expansion tank for damages.
Check protection rubber at bottom of the tank for tight fit.
Check gasket of radiator cap as well as the pressure control valve and return
valve. The pressure control valve opens at 0,9 bar (13 psi).
Check coolant with tensiometer or glycol tester. If necessary, replenish with
coolant of same composition. Remarkably discoloured or thickened anti-
freeze has to be renewed.
â—† NOTE: 50 % antifreeze concentrate with anti-corrosion additives
and 50 % water is recommended. Sufficiently satisfactory
results were achieved with "BASF Glysantin Anticorrosion".
This or equivalent coolant has to be used.
â–² WARNING: Pay attention to specifications of operating media in Opera-
tor's Manual.
As long as there is no boiling problem after engine stop, water may be added
up to approx. 50 %.
â–² WARNING: Never open radiator cap when cooling system is hot. For
safety's sake, cover cap with a cloth and open cap slowly.
Sudden opening of the cap would provoke exit of boiling
water and in consequence scalds.
12.3.13.1) Rinsing of cooling system
At the 200 hours check rinse the cooling system. This can be done
with a water hose at maximum pressure of 2 bar (30 psi). For this
procedure open the coolant hose at the lowest position. See Pic. 10.
12.3.13.2) Coolant renewal
See Pic. 49.
The cooling liquid (mixed with 20 % water) has to be changed every
2 years. For this purpose open the radiator cap, remove the bottom
fixation screw Q (with sealing ring) for water pump, and drain the
cooling liquid. If the radiator is fitted lower than the engine, detach
the coolant hose.
Refill newly mixed coolant into expansion tank (highest position in
cooling system).
â—† NOTE:
Let engine run for a short time and then, if
necessary, replenish with pure coolant.
1
Pic. 49
00155

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Rotax 914 F Specifications

General IconGeneral
BrandRotax
Model914 F
CategoryEngine
LanguageEnglish

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