9) Isolating Switch For Servo Motor - Rotax 914 F Installation Manual

* from the 36 pole plug receptacle of the TCU with cable eye 4,2 mm dia.

19.4.9) Isolating switch for servo motor

See Ill. 52.
The isolating switch serves to break the circuit of the servo motor for a short
time in case of surging of the TCU.
After a short hunting stable operation should follow.
Installation instruction:
The isolating switch has to be installed directly into the lines from 36 pole plug
receptacle to servo motor.
To avoid any mix-up of the polarity sever first one cable and connect on switch
as per wiring diagram (Ill. 52).
After first cable is connected sever second wire and connect also to switch.
Modification-No.
- 0 -
WARNING: The TCU comprises electronic components and is therefore
completely sealed. The TCU is allowed to be opened only
by persons authorized by BOMBARDIER-ROTAX!
connections: + terminal: flexible cable 0,75 mm
- terminal: flexible cable 0,75 mm
to DIN 46225
fuse:
The TCU has to be protected by a slow blowing 5A fuse in accordance with
the wiring diagram, Ill. 52.
design: 2 pole on-off switch (Ill. 52 Pos.)
ATTENTION: The isolating switch has to be designed such that it is safe for
"off" by mistake or unintentionally. The fix and secured
position is "ON".
switching voltage: min. 100 V
switching current: min. 2 A
place of installation:
On the instrument panel in the pilot's field of view, anytime and easy to
reach.
ATTENTION: The servo motor is connected to DC supply. The polarity
(wire 2 and 14) of the cables must not be changed, otherwise
the sense of rotation would be reversed and control would be
rendered ineffective.
Reference
2
white No. 1*
2 white No. 25*
Install Date
1996 05 10
914 F
Page
85