Poulan PPR20H42STC Lawn Mower User Manual


 
25
ENGINE
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 32)
The throttle control has been preset at the factory and
adjustment should not be necessary. Check adjustment as
described below before loosening cable. If adjustment is
necessary, proceed as follows:
With engine not running, move throttle control lever to
fast position.
Check that swivel is against stop. If it is not, loosen
cable clamp screw and pull cable back until swivel is
against stop. Tighten cable clamp screw securely.
TO ADJUST CHOKE CONTROL (See Fig. 33)
The choke control has been preset at the factory and
adjustment should not be necessary. Check adjustment as
described below before loosening cable. If adjustment is
necessary, proceed as follows:
With engine not running, move choke control (located on
dash panel) to full choke position.
Loosen knob and remove cover assembly from air
cleaner.
SERVICE AND ADJUSTMENTS
HOOD
TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 31)
Raise hood.
Unsnap headlight wire connector.
Stand in front of tractor. Grasp hood at sides, tilt toward
engine and lift off of tractor.
To replace, reverse above procedure.
FIG. 31
HEADLIGHT WIRE
CONNECTOR
Choke should be closed. If it is not, loosen casing clamp
screw and move choke cable until choke is completely
closed. Tighten casing clamp screw securely.
Replace air cleaner cover assembly and tighten knob.
TO ADJUST CARBURETOR
Your carburetor is not adjustable. If your engine does not
operate properly due to suspected carburetor problems, take
your tractor to an authorized service center for repair and/or
adjustment.
High speed stop is factory adjusted. Do not adjust - damage
may result.
IMPORTANT: NEVER TAMPER WITH THE ENGINE
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
THE FACTORY HIGH SPEED SETTING CAN BE
DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
NEAREST AUTHORIZED SERVICE CENTER/
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
EXPERIENCE TO MAKE ANY NECESSARY
ADJUSTMENTS.
INTERLOCKS AND RELAYS
Loose or damaged wiring may cause your tractor to run
poorly, stop running, or prevent it from starting.
Check wiring. See electrical wiring diagram in the Repair
Parts section.
TO REPLACE FUSE
Replace with 20 amp automotive-type plug-in fuse. The fuse
holder is located behind the dash.
CLAMP SCREW
FIG. 33
FIG. 32
SWIVEL
CLAMP
SCREW
STOP