IBell 407 checklist - Normal Procedures I
TC APPROVED
27. FUEL pressure- Check.
NOTE
UFUEL XFR and RIFUEL XFR will not
be illuminated when forward fuel
tank is empty.
STOP
21. PEDAL
annunciator:
BHT-407-FM-1
PTT
switch
Pedals- Centered.
Press - Verify PEDAL STOP caution
annunciator
and
ENGAGED
illuminated and left pedal travel
restricted.
Release Verify PEDAL STOP
caution and ENGAGED annunciator
extinguished and both pedals travel
unrestricted.
22. Flight controls - Loosen frictions;
check travel and verify CYCLIC
CENTERING light operation; position
for start. Tighten friction as desired.
23. Throttle - Check freedom of travel
and appropriate operation at OFF, I
(idle), FLY, and MAX positions.
Return throttle to OFF position.
NOTE
With INSTR LT rheostat on and CAUT
L T switch positioned to DIM, caution
lights are dimmed to a fixed intensity
and cannot be adjusted by INSTR LT
rheostat.
24. INSTR LT rheostat- As desired.
28. CAUTION LT TEST button - Press to
test.
29. INSTR CHK button checkforexceedances.
30. LCD TEST button desired.
Press and
Press to test, if
31. FADEC HORN TEST button to test.
Press
32. FADEC MODE switch -AUTO.
33. FUEL VALVE switch - ON, guard
closed;
FUEL
VALVE
light
illuminates then extinguishes.
34. FUEL QTY- Check TOTAL and FWD
tank quantity.
35. OATNOLTS display and select VOLTS.
Check OAT
IIIII"""'"'"""' . . . . ""'
~ CAUTION ~
'--------"
ANY ATTEMPT TO START ENGINIE
WHEN VOLTAGE IS BELOW 24
VOLTS MAY RESULT IN A HOT
START. MONITOR FOR FADEC
FAILURE. IF FADEC FAILS (FADEC
FAIL WARNING LIGHT), ABORT
START BY ROLLING THROTTLE TO
CUTOFF AND ENGAGE STARTER
TO REDUCE MGT.
2-5. ENGINE START
25. CAUT LT switch -As desired.
26. FUEL BOOST/XFR circuit breaker
switches - LEFT (on) and RIGHT
(on) and verify all boost and transfer
caution lights extinguish.
J1.
Collective -
Full down.
2.
Cyclic and pedals - Centered and
light
CYCLIC
CENTERING
extinguished.
NOTE
NOTE
For battery cart start, the UFUEL XFR
and LIFUEL BOOST caution lights
will remain illuminated until the fuel
valve is selected to the ON position.
If throttle is positioned in idle for
more than 60 seconds , starter
latching is disabled and throttle must
be repositioned to cutoff and then
Export Classification C, ECCN EAR99
22 OCT 13 Rev. 13
2-9
BHT-407-FM-1
TC APPROVED
back to idle to enable it for another 60
seconds.
NOTE
During cold temperature operations,
normal transmission and engine oil
pressure limits may be exceeded
during start. Stabilize engine at idle
until minimum temperature and
pressure limits are attained.
NOTE
It is recommended that MGT be
below 150°C when below 10,000 feet
Hp or below 65°C when above 10,000
feet Hp prior to attempting an engine
start. Compliance with this
recommendation will allow for cooler
starts and reduce potential of
reaching hot start abort limits. Re·fer
to DRY MOTORING RUN, paragraph
2-5-A.
Is.
NOTE
Ensure BATT switch is positioned to
ON prior to disconnecting external
power source.
Throttle -Idle position.
4.
START switch- Momentarily press
(hold for approximately 1 second)
and observe START and AUTO
RELIGHT lights are illuminated.
MGT - Monitor.
._........................... ,.,_ .............
""
"'--------""
START light - Extinguished at 50%
NG (starter has disengaged).
7.
AUTO RELIGHT light- Extinguished
at 60% NG.
8.
Engine
and
transmission
pressures - Check.
""'
~ CAUTION ~
"'--------""
IF ENGINE HAS BEEN SHUT DOWN
FOR MORE THAN 15 MINUTES,
STABILIZE AT IDLE FOR 1 MINUTE
BEFORE INCREASING THROTTLE.
1 2-10
Rev. 13 22 OCT 13
12. GEN switch - GEN (on); observe
GEN FAIL light extinguishes.
Turn generator OFF if ammeter
indication drops to zero amps after
an initial full scale indication. One
reset is allowed. RESET generator
and then turn generator back ON
(applicable with AMPS/FUEL PSI
gauge P/N 407-075-024-1 01 and
subsequent). Refer to BHT-407 -MD-1.
IF MAIN ROTOR IS NOT ROTATING
BY 25% NG, ABORT START BY
ROLLING THROTTLE TO CUTOFF.
ENSURE
STARTER
HAS
DISENGAGED
WHEN
MGT
DECREASES BELOW 150°C.
.......................................
11. EXTERNAL POWER - Disconnect
and close door (if applicable).
NOTE
~ CAUTION ~
6.
I
10. BATT switch- ON (if applicable).
3.
5.
Idle- 63 ±1% NG.
13. Voltmeter- 28.5 ±0.5 volts.
14. FLIGHT INSTR circuit breaker
switches (3) (if installed) - DG, A TT,
and TURN (on).
NOTE
oil
If dual controls are installed, guard
throttle to prevent inadvertent
manipulation from copilot position.
2-5-A.
DRY MOTORING RUN
The following procedure is used to reduce
residual MGT to recommended levels for
engine start.
Export Classification C, ECCN EAR99
BHT-407-FM-1
TC APPROVED
1.
Throttle- Closed position.
2.
START switch - Hold engaged for 15
seconds, then release.
Follow ENGINE START procedure, paragraph
2-5, once 0% NG is indicated.
2-5-B.
ALTERNATE ENGINE START
This procedure may be used in hot and/or
high altitude environment where aborted hot
starts have been experienced and when prior
troubleshooting has not revealed any engine
maintenance issues.
1 1.
2.
Collective- Full down.
I
Cyclic and pedals - Centered and
light
CYCLIC
CENTERING
extinguished.
a.
._.........................................
3.
Throttle- Closed position.
4.
START switch- Hold engaged and
observe START and AUTO RELIGHT
lights are illuminated.
a.
5·.
Throttle - Open to IDLE at
approximately 16% NG.
MGT - Monitor.
NOTE
Engine will detect light off and
smoothly accelerate to idle while
limiting MGT, if necessary.
Export Classification C, ECCN EAR99
,
~ CAUTION ~
~
.....................................-.
IF MAIN ROTOR IS NOT ROTATING
BY 25% NG, ABORT START BY
ROLLING THROTTLE TO CUTOFF.
ENSURE
STARTER
HAS
DISENGAGED
WHEN
MGT
DECREASES BELOW 150°C.
6.
START light- Extinguished at 50%
NG (starter has disengaged).
7.
AUTO RELIGHT light- Extinguished
at 60% NG.
8.
Engine
and
transmission
pressures - Check.
oil
...-------,
NOTE
It is recommended that MGT be
below 150°C when below 10,000 feet
Hp or below 65°C when above 10,000
feet Hp prior to attempting an engine
start. Compliance w i th this
recommendation will allow for cooler
starts and reduce potential of
reaching hot start abort limits. Refer
to DRY MOTORING RUN, paragraph
2-5-A.
START switch- Once light off
is detected, release.
~ CAUTION ~
~ ..........................................-.
IF ENGINE HAS BEEN SHUT DOWN
FOR MORE THAN 15 MINUTES,
STABILIZE AT IDLE FOR 1 MINUTE
BEFORE INCREASING THROTTLE.
NOTE
During cold temperature operations,
normal transmission and engine oil
pressure limits may be exceeded
during start. Stabilize engine at idle
until minimum temperature and
pressure limits are attained.
1 9.
Idle- 63 ±1% NG. I
10. BATT switch- ON (if applicable).
NOTE
Ensure BATT switch is positioned to
ON prior to disconnecting external
power.
11. EXTERNAL POWER - Disconnect
and close door (if applicable).
20 DEC 2012
Rev. 11
2-11
1
TC APPROVED
BHT-407-FM-1
12. GEN switch - GEN (on); observe
GEN FAIL light extinguishes.
2-6-B.
DELETED
2-6-C.
ENGINE RUN-UP
NOTE
Turn generator OFF if ammeter
indication drops to zero amps after
an initial full scale indication. One
reset is allowed. RESET generator
and then turn generator back ON
(applicable with AMPS/FUEL PSI
gauge P/N 407-075-024-101 and
subsequent). Refer to BHT-407 -MD-1 .
......... ~ ..................................
"
'---------~ CAUTION ~
FAILURE
TO
SMOOTHLY
TRANSITION THE THROTTLE FROM
THE IDLE POSITION TO THE FLY
POSITION WHILE MAINTAINING
TORQUE LESS THAN 40% MAY
RESULT IN ENGINE OVERSPEED,
OVERTORQUE, OR SURGE.
13. Voltmeter- 28.5 ±0.5 volts.
1.
Throttle - Increase smoothly to FLY
detent position while maintaining
torque below 40%. Check RPM
warning light extinguished at 95%
NR.
2.
Check
NR and NP needles matching and indicating 100%.
14. FLIGHT INSTR circuit breaker
switches (3) (if installed) - DG, A TT,
and TURN (on).
NOTE
If dual controls are i nstalled, guard
throttle to prevent inadvertent
manipulation from copilot position.
2-6. SYSTEMS CHECK
2-6-A.
PRELIMINARY HYDRAULIC
SYSTEMS CHECK
NOTE
Uncommanded control movement or
motoring with hydraulic system off
may indicate hydraulic system
malfunction.
2-12
NOTE
Overhead
circuit
breakers
highlighted with arrow graphic,......
are powered through AVIONICS
MASTER switch.
3.
AVIONICS
MASTER switch
AVIONICS MASTER (on).
4.
ELT (if installed) Check for
inadvertent transmission.
5.
Flight controls - Check freedom
with minimum friction.
6.
ENG ANTI liCE switch- ENG ANTI
ICE (on); check for MGT increase and
illumination of ENGINE ANTI-ICE
light (if installed).
1.
HYD SYS switch - OFF.
2.
HYDRAULIC SYSTEM caution light
- Illuminated.
3.
HYD SYS switch- HYD SYS (on).
NOTE
4.
HYDRAULIC SYSTEM caution light
- Extinguished.
If temperature is below soc (40°F)
and visible moisture is present, ENG
ANTI ICE shall be on.
Rev. 11
20 DEC 2012
Export Classification C, ECCN EAR99
I
I
BHT-407-FM-1
TC APPROVED
7.
8.
9.
2-6-D.
ENG ANTI ICE switch- OFF; check
MGT retums to normal and ENGINE
light
(if
installed)
ANTI-ICE
extinguishes; then ENG ANTI ICE
(on) if required.
11. Cyclic and collective friction as desired.
Set
2-7. BEFORE TAKEOFF
PITOT HEATER- Confirm operation
(increase in ammeter load).
1.
ENG ANTI ICE switch -As required.
2.
PART SEP switch (if installed)- As
required.
PITOT HEATER
required.
3.
Light switches- As required.
HYDRAULIC SYSTEMS CHECK
4.
INSTR LT rheostat- As desired.
switch
As
NOTE
NOTE
Hydraulic systems check is to
determine proper operati on of
hydraulic actuators for each flight
control system. If abnormal forces,
unequal forces, control biinding, or
motoring are encountered, it may be
an indication of a malfunctioning
fl ight control actuator.
For night flight, it is recommended to
point the map light at the flight
instruments and set to a low
intensity. Sufficient night lighting will
be provided in the event of an
instrument lighting fail ure.
5.
Radio(s)- Check as required.
1.
Collective- Full down.
6.
2.
NR-100% RPM.
Flight controls- Position and adjust
frictions for takeoff.
3.
HYD SYS switch- OFF.
4.
HYDRAULIC SYSTEM caution light
- Illuminated.
S..
Cyclic - Centered.
6.
Cyclic control Check normal
operation by moving cyclic forward
and aft, then left and right
(approximately 1 inch). Center cyclic.
7.
8.
9.
Collective
Check normal
operation by increasing collective
slightly (1 to 2 inches). Repeat two to
three times as required. Return to full
down position.
Pedals- Check normal operation by
displacing pedals slightly (1 inch).
HYD SYS switch- HYD SYS (on).
1 0. HYDRAULIC SYSTEM caution light
- Extinguished.
Export Classification C, ECCN EAR99
---------,
~ CAUTION ~
~ "" "' ""' "' ~ .............-.
FAILURE TO POSITION AND
MAINTAIN THROTTLE IN FLY
DETENT POSITION PRIOR TO
TAKEOFF AND DURING NORMAL
F Ll G H T OPERATIONS CAN LIMIT
AVAILABLE ENGINE POWER.
7.
Throttle Open to FLY detent
position. Check 99 to 100% NRINP.
8.
Engine, transmission, and electrical
instruments -Within limits.
9.
Flight and navigat ion instruments Check.
10. FUEL QTY- Note indication.
11. FUEL QTY FWD, TANK button
Press, note fuel remaining in forward
cell.
20 DEC 2012
Rev. 11
2-13
1