 |
 |
 |
 |
|
 |
 |
http://www.ultralightnews.ca/ Page 24 of 39
The Ultralight Store - your one stop ultralight store.
Attention: Don?t twist the adjusting screw (Figure 6.8-1 Position4) as this is set at the factory.
The only required adjustment is the idle. To do that you must please do the following:
1.Engine must be warm.
2.The load, which impacts the engine in idle position, has to be installed (propeller etc.)
3.The throttle cable must have a 2-4mm or 0.078-0.156 inches play while in idle position so the idle stop
screw is adjacent to the throttle stop (Figure 6.8-1Position 3).
An idle RPM is chosen so that the engine runs smooth and secure (recommendation: 1200-1800 RPM) To
make any necessary adjustment, turn the idle adjust screw in or out (Figure 6.8-1Position 4). Clockwise turn
increases RPM, counter clockwise decreases RPM.
Tip: Open throttle valves in order to better access adjustment screw.
Figure 6.8-1: Throttle body.
6.9Starting Procedure
Secure the fuel supply (fill the tank, open the fuel cock,...)
If the engine is cold, engage the choke(s).If the engine is warm or hot do not engage the choke.
Move the throttle lever into a fast idle position.
Switch on the ignition system (ON-Position of the ignition switch)
Start the engine (Activate starter maximum 10 seconds)
When the engine has started, reduce the choke slowly to the off position and apply a small amount
of throttle.
Allow the engine to warm up at a ¼ load or 3000 rpm for about 3 minutes.
The engine should now be ready for operation.
Please note: If the engine has a centrifugal clutch installed within the drive system, then engine should be
run with the clutch firmly engaged to avoid unnecessary wear of the clutch lining.
6.10Operating condition of the engine
While the engine is running, the cylinder head temperatures and the exhaust gas temperatures of both
cylinders should be monitored. So long as the maximum temperatures of the cylinder head and/or exhaust
temperature are not exceeded, the engine can be run without a time limit in the set load range (also full load
|
|
