17
At times, such as winter, when starting the engine
is difficult
Operate choke lever with the following procedure when starting engine.
•
After implementing startup steps 1) to 3), set choke lever to the CLOSE
position.
•
Implement startup step 4) and start engine.
•
Once engine starts, set choke lever to the OPEN position.
•
Implement startup step 5) and complete warm up.
CAUTION: If a bang (explosive sound) is heard and the engine stops, or the
just-started engine stalls before the choke lever is operated, return
the choke lever to the OPEN position, and pull the starter knob a
few times again to start the engine.
CAUTION: If the choke lever is left in the CLOSE position, and the starter knob
merely pulled repeatedly, too much fuel will be sucked in, and the
engine will become difficult to start.
OPEN
CLOSE
ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)
When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw
(A)
.
CHECKUP OF LOW-SPEED ROTATION
- Set the low-speed rotation to 3,000 min
-1
.
If it is necessary to change the rotation speed, regulate the adjusting screw,
with Phillips screwdriver.
- Turn the adjusting screw to the right, and the engine rotation will increase.
Turn the adjusting screw to the left, and the engine rotation will drop.
- The carburetor is generally adjusted before shipment. If it is necessary to
readjust it, please contact Authorized Service Center.
A
STOPPING
1) Release the throttle lever
(B)
fully, and when the engine rpm has lowered,
set the I-O switch
(A)
to STOP the engine will now stop.
2) Be aware that the attachment may not stop immediately and allow it to slow
down fully.
STOP
A
B
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.
3) 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 attachment which may rotate.
