SERVICE AND ADJUSTMENTS

NOTE: Each full turn of the adjustment nut will change mower height about 1/8".

Recheck measurements, adjust if necessary until front tip of blade is 1/8" to 1/2" lower than the rear tip.

Hold adjustment nut in position with wrench and tighten jam nut securely against adjustment nut.

TO REPLACE MOWER DRIVE BELT (See Fig. 26)

MOWER DRIVE BELT REMOVAL

Park tractor on a level surface. Engage parking brake.

Lower attachment lift lever to its lowest position.

Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface.

Remove belt from electric clutch pulley (M), both man- drel pulleys (R) and all idler pulleys (S).

MOWER DRIVE BELT INSTALLATION

Install belt around all mandrel pulleys (R) and around idler pulleys (S) as shown.

Install belt onto electric clutch pulley (M).

IMPORTANT: Check belt for proper routing in all mower pulley grooves.

Raise attachment lift lever to highest position.

S

M

R

R

FIG. 26

TO CHECK BRAKE

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved sur- face, then brake must be serviced.

You may also check brake by:

Park tractor on a level, dry concrete or paved surface, depress brake pedal all the way down and engage park- ing brake.

Disengage transmission by placing freewheel control in “transmission disengaged” position. Pull freewheel con- trol out and into the slot and release so it is held in the disengaged position.

The rear wheels must lock and skid when you try to manually

 

pushthetractorforward.Iftherearwheelsrotate,thenthebrake

21

needs to be serviced. Contact a qualified service center.

TO REPLACE MOTION DRIVE BELT (See Fig. 27)

Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.

BELT REMOVAL -

Remove mower (See “TO REMOVE MOWER” in this section of manual).

NOTE: Observe entire motion drive belt and position of all belt guides and keepers.

Remove belt from stationary idler (A) and clutching idler (B).

Remove belt from centerspan idler (C).

Pull belt slack toward rear of tractor. Remove belt upwards from transaxle input pulley (D).

Remove belt downward from engine pulley (E).

Slide belt toward rear of tractor, off the steering plate

(F) and remove from tractor.

BELT INSTALLATION -

Install new belt from tractor rear to front, over the steer- ing plate (F) and above clutch brake pedal shaft (G).

Pull belt toward front of tractor and roll belt onto engine pulley (E).

Pull belt toward rear of tractor. Carefully work belt down around transaxle input pulley (D). Be sure belt is inside the belt keeper.

Install belt on centerspan idler (C).

Install belt through stationary idler (A) and clutching idler (B).

Make sure belt is in all pulley grooves and inside all belt guides and keepers.

Install mower (See “TO INSTALL MOWER” in this sec- tion of manual).

E

F

A

B G

C

D

FIG. 27

Page 21
Image 21
Poulan PB20H42YT manual To Replace Mower Drive Belt See Fig, To Check Brake, To Replace Motion Drive Belt See Fig

PB20H42YT specifications

The Poulan PB20H42YT is a robust and reliable lawn tractor designed to tackle a variety of landscaping tasks with ease. This riding mower combines high performance with user-friendly features, making it an excellent choice for homeowners seeking efficiency and durability in their lawn maintenance routine.

At the heart of the PB20H42YT is its powerful 20-horsepower Briggs & Stratton engine. This dependable engine provides ample power to cut through thick grass and tackle uneven terrain. The engine's design emphasizes fuel efficiency, ensuring that users can operate the mower without frequent trips to refuel, which is a significant advantage for larger yards.

One of the standout features of the Poulan PB20H42YT is its 42-inch cutting deck. This size strikes an ideal balance between maneuverability and cutting coverage, allowing users to navigate tight spaces while still covering a substantial area in a single pass. The cutting deck also offers six adjustable height settings, ranging from 1.5 inches to 4 inches, giving users the flexibility to achieve their desired grass length.

The mower is equipped with a hydrostatic transmission, which provides smooth and effortless control over speed and direction. This feature allows for easy maneuvering around obstacles and provides a comfortable driving experience, especially for long mowing sessions. The pedal-operated system simplifies engagement, making it accessible for riders of all experience levels.

The Poulan PB20H42YT also emphasizes rider comfort and convenience. Its ergonomic seat and steering wheel design ensure that operators can mow for extended periods without discomfort. Additionally, the mower includes a large, easy-to-access fuel tank, reducing downtime for refueling during mowing sessions.

For added versatility, the PB20H42YT is compatible with various attachments, including baggers, mulchers, and tow-behind accessories. This adaptability allows users to expand the capabilities of their mower beyond simple grass cutting, making it a valuable tool for comprehensive lawn care throughout the seasons.

In summary, the Poulan PB20H42YT stands out as a feature-rich lawn tractor, boasting a powerful engine, a versatile cutting deck, user-friendly hydrostatic transmission, and the ability to accommodate various attachments. This combination of features makes it a reliable choice for homeowners looking to maintain a beautiful lawn with minimal effort.