Check Cooling System - Efficiency Of The Cooling System; 1)Measurement Of Cylinder Head Temperature And Coolant Exit Temperature - Rotax 914 series Installation Manual

Marking of the coolant to be used
■ CAUTION:
Example: EVANS NPG+. See Fig. 15.
1 Warning sticker
2 Radiator cap
3 Opening pressure information of radiator cap.

12.4) Check cooling system - Efficiency of the cooling system

For a measurement of the cooling system the maximum values for coolant exit
temperature and cylinder head temperature must be found. According to the current
specifications.
12.4.1) Measurement of cylinder head temperature and coolant exit tempera-
Effectivity: 914 Series
Edition 2 / Rev. 0
INSTALLATION MANUAL
The coolant to be used and its concentration (percentage water
rate) must be communicated to the owner in the correct form.
Waterless coolant must not mix with water, as otherwise to lose the
advantages of the high boilling point.
Fig. 16
00327
ture
There are two temperature sensors (1) on the cylinder 2 and 3 for measuring
the cylinder head temperature. During flight test the place with the highest
cylinder head temperature must be found, this can vary with different engine
installation (cowling or free installation, tractor or pusher, fight speed etc.).
BRP-Rotax
2
3
DO NOT
ADD WATER
TO THIS SYSTEM
STOP!
EVANS NPG+
WATERLESS
1
COOLANT ONLY!
Fig. 15
07012
1
page 46
July 01/2008