21
5.8 Adjusting Engine Speed
See Graphic 9
Adjust to a full load speed of 3600 ± 100 rpm. To adjust engine speed:
5.8.1 Place machine on a rubber test mat to prevent it from moving.
5.8.2 Start engine and allow it to warm up for a minute.
5.8.3 Turn throttle stop screw (
a
) in to increase speed, out to decrease speed. Make sure
throttle lever is touching stop screw before measuring RPM.
CAUTION:
Running plate at a speed higher than that listed in Technical Data
can damage both the plate and the engine.
Graphic 9
5.9 Carburetor Adjustment
See Graphic 10
5.9.1 Start the engine and allow it to warm up to operating temperature.
5.9.2 Set the pilot screw (
a
) 2 turns out. See Note.
5.9.3 With the engine idling, turn the pilot screw (
a
) in or out to the setting that produces
the highest rpm.
5.9.4 After the pilot screw is adjusted, turn the throttle stop screw (
b
) to obtain the
standard idle speed. See Technical Data.
Note:
On some engines the pilot screw is fitted with a limiter cap (c) to prevent excessive
enrichment of the air-fuel mixture in order to comply with emission regulations.
The mixture is set at the factory and no adjustment should be necessary. Do not
attempt to remove the limiter cap. The limiter cap cannot be removed without
breaking the pilot screw.
Summary of Contents for PDZ1240
Page 8: ...7 2 5 Label Locations Graphic 1...
Page 27: ...26 5 15 Parts List...
