SERVICE AND ADJUSTMENTS

SUSPENSION ARM

LIFT LINK ADJUSTMENT NUT

FIG. 21

FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE.

To obtain the best cutting results, the mower blades should be adjusted so the front tip is approximately 1/8" to 1/2" lower than the rear tip when the mower is in its highest position.

CAUTION: Bladesaresharp.Protectyour hands with gloves and/or wrap blade with heavy cloth.

Check adjustment on right side of tractor. Position any blade so the tip is pointing straight forward. Measure distance "B" at front and rear tip of the blade.

Before making any necessary adjustments, check that both front links are equal in length.

If links are not equal in length, adjust one link to same length as other link.

To lower front of blade, loosen nut “C” on both front links an equal number of turns.

NOTE: Each full turn of nut “C” will change distance. “B” by approximately 3/16".

When distance “B” is 1/8" to 1/2" lower at front than rear, tighten nut “D” against trunnion on both front links.

MANDREL

To raise front of blade, loosen nut “D” from trunnion on both front links. Tighten nut “C” on both front links an equal number of turns.

When distance “B” is 1/8" to 1/2" lower at front than rear, tighten nut “D” against trunnion on both front links.

Recheck side-to-side adjustment.

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig. 24)

Park tractor on a level surface. Engage parking brake.

Lower mower to its lowest position.

Disengage belt tention rod from lock bracket.

CAUTION: Rod is spring loaded. Have a tight grip on rod and release slowly.

Remove screws from R.H. mandrel cover and remove cover.

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

Disconnect R.H. suspension arm from rear deck bracket by removing retainer spring.

Roll belt over the top of R.H. mandrel pulley carefully.

Remove belt from electric clutch 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.

MOWER DRIVE BELT INSTALLATION (See Fig. 24)

Install belt in both idlers.

Install new belt onto electric clutch pulley.

Roll belt into upper groove of R.H. mandrel pulley carefully.

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

Reconnect R.H. suspension arm to rear deck bracket with retainer spring.

Reassemble R.H. mandrel cover.

Engage belt tension rod by pushing rod into locking bracket.

“B”“B”

FIG. 22

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

 

TRUNNION

NUT “D”

 

FRONT

NUT “C”

PLATE

 

ASSEMBLY

 

BELT

TENSION ROD

RH

SUSPENSION

(DISENGAGED

ARM

POSITION)

 

IDLER

PULLEY

SPRING

ARM

PRIMARY

IDLER ARM

R.H.

MANDREL

RH MANDREL COVER

ELECTRIC

CLUTCH

PULLEY

IDLER

PULLEY

22

FIG. 24

FIG. 23

Page 22
Image 22
Poulan DPR22H48STB owner manual To Replace Mower Drive Belt, FRONT-TO-BACK Adjustment See Figs

DPR22H48STB specifications

The Poulan DPR22H48STB is a robust riding mower designed to tackle the diverse mowing needs of homeowners with larger lawns. With its exceptional performance and user-friendly features, it stands out in the market for those seeking efficiency and reliability.

At the heart of the DPR22H48STB is a reliable 22 HP Briggs & Stratton engine, known for its power and durability. This engine provides the necessary strength to handle tall grass and uneven terrain, making mowing a seamless task. Coupled with an easy-start system, users can quickly get the mower running without the hassle often associated with pull-start engines.

The mower features a 48-inch cutting deck, which is perfect for navigating tighter areas while still covering a significant amount of ground with each pass. The cutting height can be easily adjusted to six different positions, allowing users to customize their cut based on the grass type and weather conditions. This flexibility ensures that every user can maintain their yard with precision and care.

One of the standout features of the Poulan DPR22H48STB is its hydrostatic transmission, which provides smooth and effortless motion. This technology allows for seamless speed adjustments without the need for gear shifting, making it easier to maneuver around obstacles and maintain control on inclines. As a result, users experience less fatigue during longer mowing sessions.

Durability is another key characteristic of this model. The steel deck construction ensures that the mower withstands the elements and heavy use without compromising performance. Additionally, the mower’s wide rear tires enhance traction and stability, making it an ideal choice for uneven surfaces.

Further enhancing the mowing experience is the comfortable, adjustable seat, which allows users to find their ideal position for extended periods of use. The steering wheel is ergonomically designed, ensuring ease of use even in tight turns or challenging terrains.

In summary, the Poulan DPR22H48STB combines power, efficiency, and comfort. It is equipped with a potent Briggs & Stratton engine, a versatile cutting deck, and an innovative hydrostatic transmission, making it a reliable choice for homeowners looking to maintain their lawn effortlessly. With its solid build and thoughtful features, this riding mower simplifies yard care, allowing users to enjoy their outdoor spaces to the fullest.