17
- First place the machine on the ground.
- Give a gentle push on the primer pump (1) repeatedly (7 – 10 times) until fuel
enters the primer pump.
- Move the choke lever (2) to the top position ( ).
- Firmly hold the clutch case with your left hand, as illustrated at right.
- Slowly withdraw the starter grip until resistance is felt and continue with a rapid
pull.
- Do not pull the starter rope to its full extent and do not allow the starter handle to
be retracted uncontrolled, but ensure that it is retracted slowly.
- Repeat the starting operation until initial engine ignition are heard.
- Depress the choke lever ( ) and pull the starter rope again until the engine starts.
- As soon as the engine starts, immediately squeeze and release the throttle, thus
releasing the lock button so that the engine can run at idle.
-
Run the engine for approximately one-two minutes at a moderate speed to
allow warm-up before applying full throttle.
Caution during operation:
If the throttle lever is opened fully in a no-load operation, the engine rotation is
increased to 10,000 rpm or more. Never operate the engine at a higher speed than is
required (at an approximate speed of 6,000 – 8,000 rpm).
Starting the warm engine
- As described above, except without moving the choke lever (choke lever remains
in the down position ( )).
Stopping
- Release the throttle lever fully, and when the engine rpm has lowered, push the
stop switch to “
○
” position. Engine will stop.
Summary of Contents for RBC420
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