Section 2: Deploying the Bucket
Bambi MAX Service Manual
– Models HL4000-HL9800 6
Connecting Power
The minimum power requirement to control the Bambi MAX valve is 24-28 VDC, supplying 8 amps,
measured at the head of the bucket. The Bambi MAX comes with a three-conductor, 16-gauge control
cable that comes from the valve to 3' above the head. Attached to the end of the cable is a male waterproof
NEMA5-15P electrical plug (the female receptacle for the helicopter is attached). If an additional new plug
is required, an IP67 or better must be used.
The purpose of this type of plug is to offer a clean breakaway if the Bambi MAX must be jettisoned from
the aircraft in an emergency. It is suggested that the plug be lightly taped together with vinyl tape, while
in use, to ensure that wind action does not separate the plug during flight.
There are three types of suggested wiring installations (see
1.
Pilot control:
In this configuration, the control is wired into the pilot's control column through
a relay.
2.
Pilot control (US interagency):
In this configuration, the control is wired into the pilot's
control column through a 50 ampere relay as per US interagency regulations. This system can
also be used to control a heli-torch, etc.
3.
Crew control (remote power supply):
This configuration allows a crew member or a pilot
to control the dumping of the bucket using a battery pack to supply the power to the remote
switch. This also eliminates the cost of pre-wiring the aircraft.
Confirm the aircraft has been wired correctly by using the supplied test plug and following the procedure
detailed in
Section 6
for checking aircraft wiring.
Below is a table which shows the power requirements for the Bambi MAX valve by bucket model.
Model
Current @24.5 VDC
Valve
BBXHL4000
8 A
BBXHL5000
8 A
BBXHL7600
8 A
BBXHL9800
8 A
CAUTION
Changing the supplied plug and/or receptacle to a non-waterproof (non-IP67) alternative will
compromise the hermetic seal of the IVC and actuator enclosures. This may lead to water ingress and
failure. Changing the connector(s) may void the warranty.
Содержание MAX BBXHL4000
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Страница 68: ...Section 9 Specifications and Parts Bambi MAX Service Manual Models HL4000 HL9800 63 Bucket Shell ...
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