Section 909
Smoke System
Page Date: 20. April 2002
909 - 7
Pilot´s Operating Handbook
EXTRA 300L
the pump off. The same pump (normal polarity) injects the smoke oil from the floptube smoke oil
tank through an overpressure/check valve and the injector nozzle into the hot exhaust gas to
generate smoke.
The system consists of:
- Main smoke oil tank with float switch
- Floptube smoke oil tank
- Refill/Injection pump in the pilot compartment with quick connector in the belly fairing
- Overpressure/check valve in the smoke oil supply line to the nozzle
- Filter element in the refill line
- ON-OFF switch on the throttle lever
- Two relais (changeover contact type) for pump control
- "SMOKE ARM" switch to arm the system and "SMOKE REFILL" switch for refilling
placed at the instrument-panel
- Only 1 circuit breaker for pump and control placed at the instrument-panel
909.8
HANDLING, SERVICING AND MAINTENANCE
At every refilling:
- Check automatic shut-off
Additionally during the 100h Check for the DUAL PUMP SYSTEM
- Check the system for leakage (lines, fittings, tanks)
- Check the smoke oil tanks for proper attachment
- Check the function of the solenoid valve
- Clean the injector nozzle: if required, remove carbon debris
Additionally during the 100h Check for the SINGLE PUMP SYSTEM
- Check the system for leakage (lines, fittings, tanks)
- Check the smoke oil tanks for proper attachment
- Clean the overpressure/check valve: if required, remove oil residue
- Clean the injector nozzle: if required, remove carbon debris
- Clean the filter element
CIRCUIT BREAKER
SWITCH
ON
ON
OFF
OFF
SMOKE
SMOKE
ARM
REFILL
SMOKE
SMOKE
CTRL
SYS PUMPS
BREAKER
15
SMOKE
SYSTEM
OFF
OFF
SMOKE
SMOKE
ARM
REFILL
Page Date: 20. January 2016
Summary of Contents for 300L
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