VL-3E-1 Pilot Operating Handbook
date of issue:
11/40
2.5
Engine instrument markings
Function
Minimum
Limit
Normal
Operating
Range
Caution
Range
Maximum
Range
Engine
speed
(RPM)
1400
1400-5500
5500-5800
5800
Cylinder
Head
Temperature
(CHT)
[°C]
74
74-110
100-110
120
Oil
Temperature
[°C]
50
88-110
110-130
130
Oil
Pressure
[bar]
2,0
2,0 – 5,0
5,0 – 7,0
7,0 cold
engine
starting
2.6
Miscellaneous instrument marking
Fuel Level Indication
Used floater fuel indication system does not allow to indicate exact fuel level in whole range (the
floater contacts the upper wall of the tank before the tanks is filled full). From this reason the following
states of fuel in the tanks are recognised:
Left tank
Right tank
Liter
US gallon
Liter
US gallon
Full tank
59
15.6
59
15.6
Upper indicating limit
40
10.5
40
10.5
Individual fuel level gauges (separate instruments on instrument panel):
The following colour ranges are marked in EMS diagrams for both tanks
Low fuel level indicators (yellow LEDs on instrument panel):
When low fuel level indicator (yellow LED) on the instrument panel starts to light up – in the fuel tank is
min. 5 liters (1,32 US gallon) of fuel.
minimum
maximum
Liter
US gallon
Liter
US gallon
Green range
16
4.2
maximum
Yellow range
8
2.1
16
4.2
Red range
0
0
8
2.1