1. Fuel selector valve - left tank
2. Throttle lever - set to slight open position
3. Brakes - set on parking position, control lever secured
4. Master switch - switched on
5. Ignition - both circuits switched on
6. Starter key - actuate, activate starter for max. 10 sec only
without interruption
7. As soon as engine runs - adjust throttle lever to achieve smooth running at
approximately 2000 r.p.m, check if oil pressure
has risen within 10 sec to 2 bar and monitor oil
pressure,
4.5.3 Engine warming up
In accordance with the Operator’s Manual for all versions of ROTAX 912 as follow:
Start warming up period at 2000 r.p.m for approx. 2 minutes, continue at 2500 r.p.m,
duration depending on ambient temperature, until oil temperature reaches 50
o
C.
Engine ground test:
1. Ignition check – check the two ignition circuits at 4000 r.p.m. Speed drop with
only one ignition circuit must not exceed 300 r.p.m. Max. difference 115 r.p.m. of
speed by use of either circuit A or B.
2. Throttle response – short full throttle ground test, speed must not exceed 5800 r.p.m.
3. The minimum speed on the ground must be 5000 r.p.m depending on ambient
temperature and pressure.
4. Check idle speed 2000 r.p.m.
4.5.4 Taxying
Use of the Vernier throttle (screw in, screw out) will help with smooth adjustments
of power during taxying. Taxying of the aeroplane is controled by he rudder pedals
which are connected to the nose wheel steering. The wheel brakes are actuated by
sliding the brake lever rearwards in the centre console.
4.5.5. Before take-off
1. Rudder pedals - freedom of movement
2. Control stick - freedom of movement
3. Elevator trim control - set neutral position
4. Wing flaps - set take off position
5. Fuel selector valve - left tank
6. Fuel pump - switched on
7. Power plant instrument - check for correct readings
8. Flight instrument - check altimeter setting
9. Propeller - set minimum fine angle ( take off position )
10. Seat and safety harness - adjust and lock
11. Canopy of cockpit - latched
Date: 1.12.2001 „Appr“
WT-9 Dynamic Club S FLIGHT MANUAL Section 4 Page 4-
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