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

19.4.9) Isolating switch for servo motor

See Fig. 69.
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.
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■ CAUTION:
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Installation instruction:
The isolating switch has to be installed directly into the lines from 36 pole plug
receptacle to servo motor.
■ CAUTION:
To avoid any mix-up of the polarity cut first one wire and connect on switch as
per wiring diagram (Fig. 69).
After first wire is connected sever second wire and connect also to switch.
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
design: 2 pole on-off switch (Fig. 69 Pos. (32))
The isolating switch has to be designed such that it is guarded
against being turned "off" by mistake or unintentionally. The
fixed 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.
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.
page 121
July 01/2008