Overall length: approx. 655mm
Weight: 8g
BPS-1
●The BPS-1 is designed for use with
Futaba GY701, CGY750, and GV-1
governors.
●The BPS-1 can be used only with a
BPS-1 compatible engine backplate.
WARNING
Always use the BPS-1 with a BPS-1
compatible engine backplate.
Be careful of the connector polarity.
■ Because of the case construction, reversing the polarity
may cause trouble or sparking from the wiring.
Mount the BPS-1 when the engine is
sufficiently cool.
■ If you touch the engine immediately after use, you may
receive a burn.
Mount the sensor in accordance
w i t h t h e i n s t a l l a t i o n m e t h o d
described below.
■ If the BPS-1 drops out during flight, it cases erratic
operation or loss of control.
Vibration-proof the PC board and
mount the BPS-1 where it will not be
exposed to fuel and water.
■ Electronic parts are used at the PC board. Take
protective measures against vibration, shock, high
temperature, and so forth.
When mounting the BPS-1 to the
fuselage, be sure there is some
slack in the wiring cable.
■ If the cable is too tight, vibration may cause the wire
to break or the connector to be dislodged and cause a
malfunction.
Always perform an operation check
after assembling.
■ Do not fly until inspection is complete.
Do not use the BPS-1 with anything
other than an R/C model helicopter.
Sensor
PCBoard
Grommet
Connector
Sensor mounting
section
Silicone adhesive
Insert sensor
perpendicularly
Make the grommet
direction like this.
OK at more than 60% by
rotating the starter.
After assembling is complete, check operation as follows:
WARNING
Push in fully.
Special engine
backplate
Special engine
backplate
To engine
backplate
To Governor
BPS-1
1
Degrease the engine backplate with
alcohol, etc.
1
Connect the sensor to the governor
used and call the governor revolution
sensor test screen. (Revolution sensor
monitor for the GV-1.)
2
Using a starter, rotate the engine
without starting it and check if the
sensitivity is 60% or greater.
2
Inject silicone resin into the special
engine backplate up to about 1/3
(approximately 0.3cc) from the bottom
of the sensor mounting section of the
backplate.
3
Insert the sensor perpendicularly and
push in the grommet fully.
4
Wipe off the squeezed out adhesive.
5
Fasten the grommet so that it will
not move and allow the adhesive to
harden.
*Oil residue on the backplate will
cause faulty adhesion.
*
Use non-solvent alcohol-release type silicone
adhesive.
*Until adhesive is squeezed out from the
grommet is a sufcient.
*Connect and operate the sensor in accordance
with the governor instruction manual.
*Rotate with only the starter without plug
heater attached.
*If the sensitivity is less than 60%, re-check the
installation.
*So that the adhesive does not enter the engine.
Adhesive in the engine will cause engine
trouble.
Thank you for purchasing a BPS-1 Backplate Sensor
for governor. Before using your new sensor, please
read this manual together with the instruction manuals
of the governor, transmitter, and engine used and use
the BPS-1 properly. After reading this manual, store it
in a safe place.
Backplate Sensor For
Governor
1M23N25101
< BPS-1 >
Operation Check
Installation Method
Instruction Manual
FUTABA CORPORATION
1080 Yabutsuka, Chosei-mura, Chosei-gun, Chiba-ken, 299-4395, Japan
Phone: +81 475 32 6982, Facsimile: +81 475 32 6983
©FUTABA CORPORATION 2011, 3 (1)
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