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Dolmar PB-7600.4 Manual

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2) When the engine is warm
(1) Place the engine on a flat ground.
(2) Press the primary pump several times.
(3) Confirm that the choke lever is open.
(4) Hold the element cover with a left hand to prevent the engine from moving, settle down to take the stable position.
(5) Pull out slowly the starter handle till a certain resistance is felt. Return the starter handle backward once from this position, then pull it out
with force.
(6) When the engine is difficult to start, open the throttle valve by about 1/3.
2. Stopping
1) When the cruise control lever is a Low-speed position.
Release the trigger lever to reduce the engine speed, and set the stop
switch to the “O” position.
2) When the cruise control lever is except a Low-speed position.
Set the cruise control lever to the Low-speed position, reduce the
engine speed, and set the stop switch to the “O” position.
ADJUSTMENT OF IDLING
Checkup of low-speed rotation
Set the low-speed rotation to 2800min
-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.
NOTE
• The engine may be damaged if the choke lever is moved further beyond the “CLOSE” position.
• If the engine stops with an explosion sound or if the engine started, but stopped before operation of the choke lever, return this lever to
the “OPEN” position and pull the starter handle several times to start the engine again.
• If the operator keeps pulling the starter handle several times with the choke lever left in the “CLOSE” position, the engine may be difficult
to start because of over-suction of the fuel.
• In case of over-suction of the fuel, remove the spark plug and pull the handle several times rapidly to discharge any excess fuel. Dry the
spark plug electrode.
• When the throttle valve does not return to a position in contact with the idling adjusting screw even if the throttle lever is set to the low
speed, correct the control cable catching state to ensure proper return of the valve.
DANGER
The carburetor is the adjustment being completed at the time of factory shipment. Please do not adjust other than idling adjusting. When
adjustment becomes necessary, please consult your dealership or an authorized service agent.
Stop Switch
Cruise control lever
Hi-speed
Low-speed
A
djusting screw
Carburetor
… 13 …


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