SERVICE AND 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.

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.

HOOD

HEADLIGHT WIRE

CONNECTOR

FIG. 31

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.

•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 T H E F A C T O R Y H I G H S P E E D S E T T I N G C A N B E DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR N E A R E S T A U T H O R I Z E D S E R V I C E C E N T E R / DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND E X P E R I E N C E T O M A K E A N Y N E C E S S A R Y ADJUSTMENTS.

STOP

SWIVELCLAMP

SCREW

FIG. 32

CLAMP SCREW

FIG. 33

25

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Poulan PPR20H42STB owner manual Interlocks and Relays, To Replace Fuse, To Adjust Carburetor
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PPR20H42STB specifications

The Poulan PPR20H42STB is a versatile and efficient riding mower that stands out for its performance and user-friendly features. Tailored for residential use, it is perfect for homeowners with medium to large lawns, combining power, durability, and ease of maintenance. This mower is designed to tackle a variety of terrain types, making it a reliable choice for lawn care enthusiasts.

One of the main features of the PPR20H42STB is its robust 20 horsepower Briggs & Stratton engine, which provides ample power to drive the mower efficiently across various landscapes. This engine is designed for reliability and optimal performance, ensuring that users can complete their mowing tasks with ease. The mower is equipped with a hydrostatic transmission, which facilitates smooth and precise speed adjustments without the need for manual gear changes. This feature enhances the overall driving experience, allowing operators to focus on getting the job done.

The cutting deck of the PPR20H42STB measures 42 inches, making it ideal for maneuvering around obstacles while still covering substantial ground in each pass. This size strikes a balance between efficiency and agility, allowing for effective mowing in tighter spaces such as gardens or around trees. The deck is adjustable, enabling users to select the desired cutting height between 1.5 inches and 4 inches. This versatility caters to different grass types and conditions, ensuring an even and pristine cut.

Another notable characteristic of the Poulan PPR20H42STB is its ergonomic design. The comfortable operator's seat and control layout enhance the user experience during extended mowing sessions. The steering wheel is positioned for easy access to controls, and the foot pedal allows for simple operation of the hydrostatic transmission, contributing to a more pleasant mowing experience.

Moreover, the PPR20H42STB features a spacious fuel tank that accommodates more fuel, reducing the frequency of refueling during larger mowing tasks. Its durable construction ensures longevity and reliability, making it a valuable investment for homeowners seeking an efficient lawn care solution.

In summary, the Poulan PPR20H42STB combines powerful performance, user-friendly features, and versatile mowing capabilities. It is an excellent choice for homeowners looking for a reliable riding mower to keep their lawns looking immaculate.
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