Extra 300S - Handling, Servicing and Maintenance

Section 908
Smoke System
Page Date: 20. April 2002 908 - 7
Pilots Operating Handbook
EXTRA 300S
The system consists of:
- Floptube smoke oil tank with float switch
- Refill/Injection pump in the pilot compartment with quick connector in the belly fairing
- Overpressure/check valve in 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
908.8 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, tank)
- Check the smoke oil tank 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, tank)
- Check the smoke oil tank 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
After each flight with activated Smoke System
- Clean the aircraft belly fairing and the rudder cable from oil slick
The rudder cables might suffer from increased wear, when they are covered with smoke oil and
dust.
CIRCUIT BREAKERCIRCUIT BREAKER
CIRCUIT BREAKERCIRCUIT BREAKER
CIRCUIT BREAKER
SWITCHSWITCH
SWITCHSWITCH
SWITCH
ON ON
OFF OFF
SMOKE SMOKE
ARM REFILL
SMOKE
SYSTEM
BREAKER
15
NOTE
Page Date: 20. September 2006