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3) Primer pump
Continue to push the primer pump until fuel enters into
the primer pump. (In general, fuel enters into the primer
pump by 7 to 10 pushes.)
If the primer pump is pushed excessively, an excess of
gasoline returns to the fuel tank.
4) Recoil starter
– Pull the start knob gently until it is hard to pull
(compression point). Then, return the start knob, and
pull it strongly.
– Never pull the rope to the full. Once the start knob is
pulled, never release your hand immediately. Hold the
start knob until it returns to its original point.
5) Choke lever
When the engine starts, open the choke lever.
– Open the choke lever progressively while checking
the engine operation. Be sure to open the choke lever
to the full in the end.
– In cold or when the engine is cooled down, never
open the choke lever suddenly. Otherwise, the engine
may stop.
6) Warm-up operation
Continue warm-up operation for 2 to 3 minutes.
Note: − If the starter handle is pulled repeatedly when the choke lever remains at “START” position, the
engine will not start easily due to excessive fuel intake.
− In case of excessive fuel intake, remove the spark plug and pull the starter handle slowly to remove
excess fuel. Also, dry the electrode section of the spark plug.
Caution during operation:
If the throttle lever is opened fully in a no-load operation, the engine rotation is increased to 10,000 min
-1
or
more. Never operate the engine at a higher speed than required and at an approximate speed of 6,000 -
8,500 min
-1
.
B: Startup after warm-up operation
1) Push the primer pump repeatedly.
2) Keep the throttle lever at the idling position.
3ᯙ Pull the recoil starter strongly.
4) If it is difficult to start the engine, open the throttle by about 1/3.
Pay attention to the cutter blade which may rotate.
Attention in Operation
When the engine is operated upside down, white smoke may come out from the muffler.
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Carburettor
Primer Pump