Connecting Dimensions, Location Of Joints And Directives For Installation; 1) Electric Fuel Pump - Rotax 914 series Installation Manual

14.4) Connecting dimensions, location of joints and directives for installation

14.4.1) Electric fuel pump

11,75 8
0,46 in. 0,32 in.
M5
M4
Fig. 49
02473
ø 38
ø1,5 in.
ø 13,3
ø0,52 in.
P1
1
ø 12
ø0,47 in.
ø 8
ø0,32 in.
P2
2
ø 9
ø0,35 in.
Effectivity: 914 Series
Edition 2 / Rev. 0
INSTALLATION MANUAL
See outline of fuel pump (2), Fig. 48, 49 and 50.
Design: self priming vane pump
Volume of supply: electric fuel pump with attachment kit, 2 hose clamps and
various attachment elements
Weight: 0,35 kg (.8 lb) inclusive attachment items
Fitting position: horizontal or vertical
Engine start, operating temperature: -25 °C (-13 °F) - 50 °C (120 °F)
Connections: See Fig. 49.
Inlet (1) (suction side)
Outlet (2) (pressure side)
■ CAUTION: Utilize the complete slip-on length on all hose connections. Secure
fuel hoses with suitable spring type clamp or screw clamp.
Delivery rate/pressure :
US gal/h l/h
31,70 120
29,05
110
26,41 100
23,77 90
21,13 80
18,49 70
15,85 60
13,20 50
10,56 40
7,92 30
5,28 20
2,64 10
0
0
0
Fig. 50
05085
The diagram shows the delivery rate of the electric fuel pump over
pressure.
Take note of the following:
-
-
-
◆ NOTE: A capacity increase of approx. 20% is feasible by running-
in process.
BRP-Rotax
250 500 750
Δ
P= P2 – P1
diagram outlines min. capacity at nominal voltage
on pump
pressure and suction head are "ZERO"
graph is effective on the seasoned pump only,
running-in period approx. 30 min.
See diagram Fig. 50.
1750
1000 1250 1500
Δ
P
2000 hPa
page 87
July 01/2008