Os-engines 37SZ-H Manual do Utilizador descarregar pdf (Página 14)

ADJUSTING CHART

Open the Needle Valve 1.5 turns from the fully closed position.

Make sure that the Mixture Control Valve is at the factory setting.

Start the engine

Warm up the engine

Observe the mixture condition while "floating" the model

Turn the Mixture

Control Valve

counter-clockwise

Idling OK

Turn the Mixture

Control Valve

clockwise

Lean mixture

Rich mixture

Observe the hovering mixture condition

Open the

Needle Valve

(Turn counter-clockwise)

Hovering OK

Lean mixture

Rich mixture

Close the

Needle Valve

(Turn clockwise)

Land the model

Idle for approx: 10 seconds, then reopen throttle to

observe transition ("Float" the model)

Turn the Mixture

Control Valve

counter-clockwise

Idle OK

Turn the Mixture

Control Valve

clockwise

Lean mixture

Rich mixture

High Speed Flight

Open the

Needle Valve

(Turn counter-clockwise)

Lean mixture

Rich mixture

Close the

Needle Valve

(Turn clockwise)

High Speed Flight OK

Fine tuning of hovering mixture

Turn the Needle Valve

2 or 3 clicks counter-

clockwise, or turn the

Mixture Control Valve

10-20 degrees counter-

clockwise. Adjust pitch

control characteristics.

Hovering OK

Response too sensitive

Response too slow

Adjustment completed

Turn the Needle Valve

2 or 3 clicks clockwise,

or turn the Mixture

Control Valve 10-20

degrees clockwise.

Adjust pitch control

characteristics.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20 21

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Os-engines 37SZ-H Manual do Utilizador Página 14

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