SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE (SECONDARY) DRIVE BELT (See Fig. 24)

Park the tractor on level surface. Engage parking brake.

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

Remove screws from R.H. and L.H. mandrel covers and remove covers.

REMOVE MOWER DRIVE BELT

(Refer to “TO REMOVE MOWER DRIVE BELT” illustration in this section of manual).

Carefully roll belt over the top of R.H. mandrel pulley.

Remove belt from idler pulleys.

Check primary idler arm and two idlers to see that they rotate freely.

Be sure spring is securely hooked to primary idler arm and spring arm.

REMOVE MOWER BLADE (SECONDARY) DRIVE BELT

Carefully roll belt off L.H. mandrel pulley.

Remove belt from center mandrel pulley, idler pulley, and R.H. mandrel pulley.

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

Check secondary idler arm and idler pulley to see that they rotate freely.

Be sure spring is hooked in secondary idler arm and secondary spring arm.

INSTALL NEW MOWER BLADE (SECONDARY) DRIVE BELT

Install new belt in lower groove of R.H. mandrel pulley, idler pulley, and center mandrel pulley as shown.

Carefully roll belt over L.H. mandrel pulley. Make sure belt is in all grooves properly.

REINSTALL MOWER DRIVE BELT

(Refer to “TO REMOVE MOWER DRIVE BELT” illustration in this section of manual).

Install belt into upper groove of R.H. mandrel pulley and around both idlers. Pull belt to front of mower to remove slack.

Reinstall mandrel covers and securely tighten all screws.

Carefully check belt routing making sure belt is in all grooves correctly.

Reinstall mower to tractor (See “TO INSTALL MOWER” in this section of manual).

 

SECONDARY

SPRING

L.H. MAN-

IDLER ARM

IDLER

SECONDARY

DREL

 

PULLEY

SPRING ARM

 

 

CENTER

 

 

MANDREL

 

R.H. MANDREL

FIG. 24

TO CHECK AND ADJUST BRAKE (See Fig. 25)

Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle.

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be checked and adjusted.

TO CHECK BRAKE

Park tractor on a level, dry concrete or paved surface, depress clutch/brake pedal all the way down and en- gage parking brake.

Disengage transmission by placing freewhel control in “transmission disengaged” position. Pull freewheel control 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 push the tractor forward. If the rear wheels rotate, the brake needs to be adjusted or the pads need to be replaced.

TO ADJUST BRAKE

Depress clutch/brake pedal all the way down and en- gage parking brake.

Measure distance between brake operating arm and nut “A” on brake rod.

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Poulan PK20H48YT manual To Replace Mower Blade Secondary Drive Belt See Fig, To Check and Adjust Brake See Fig

PK20H48YT specifications

The Poulan PK20H48YT is a versatile and robust riding lawn mower, specifically designed to provide users with an efficient grass cutting experience. This model stands out for its combination of power, performance, and ease of use, making it an ideal choice for homeowners with medium to large lawns.

One of the main features of the Poulan PK20H48YT is its powerful 20 HP Kohler engine. This engine provides ample power for cutting through thick grass and tackling uneven terrain. Coupled with a reliable automatic transmission system, users can easily navigate their lawns without the hassle of shifting gears. The simplicity of operation ensures that both seasoned users and beginners can achieve professional-looking results with minimal effort.

The mower’s cutting deck, measuring 48 inches, allows for a wider path when mowing, reducing the number of passes required and significantly saving time. The deck is constructed from durable materials, designed to withstand the rigors of outdoor use while ensuring longevity. Additionally, the deck height can be easily adjusted, offering six different cutting positions ranging from 1.5 to 4 inches, allowing users to customize their lawn's appearance to personal preferences and grass types.

In terms of technology, the Poulan PK20H48YT features a comfortable and ergonomic operator's seat, enhancing user experience. With a built-in steering wheel and easy-to-reach controls, individuals can maneuver and operate the mower with ease. The model is also equipped with a rear bagger option, enabling grass clippings to be efficiently collected, reducing the need for additional clean-up after mowing.

Safety is a vital consideration in lawn care equipment, and the PK20H48YT does not disappoint. The mower comes with essential safety features such as blade brake and an operator presence system, ensuring the blades stop spinning when the operator leaves the seat.

Another important characteristic of the Poulan PK20H48YT is its durability and maintenance-friendly design. The mower’s robust construction, paired with easy-access maintenance points, simplifies regular upkeep, ensuring the equipment remains in prime working condition for years.

Overall, the Poulan PK20H48YT is a well-rounded riding lawn mower that offers power, efficiency, and user-friendliness, making it a top choice for homeowners seeking quality lawn care solutions. Whether tackling overgrown grass or maintaining a manicured lawn, this model is equipped to handle it all with ease.