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@ Samama
Unstable idle
Cause
Corrective action
Unsuitable glowplug
Unsuitable fuel
Use suggested glowplug in the instructions.
Do not use extremely high nitro or low oil fuel.
Silencer is disconnected or is loose
Not reaching expected peak r.p.m.
Install silencer securely.
Cause
Corrective action
Insufficient warming up or running-in.
Set the needle only after warming up.
Complete running-in.
Silencer or manifold is not securely connected
or disconnected.
Check the connections and secure them.
Fuel tubing from tank to is split or broken.
Replace the tubing.
Ô Samang
40
Poor response
Cause
Corrective action
Deteriorated glowplug
Replace glowplug.
Incorrect carburetor settings
Inaccurate linkage
Readjust low r.p.m. range with metering
needle and mixture control valve.
Recheck the throttle opening against
the pitch angle.
Poor r.p.m. drop
Cause
Corrective action
Throttle position open too far
Lower the throttle trim to adequate position
to lower idle r.p.m.
Incorrect carburetor fitting
Fit carburetor securely.
Needle-valve closed too far.
Open needle-valve slightly
41
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