SERVICE AND ADJUSTMENTS

SIDE-TO-SIDE ADJUSTMENT (See Figs. 18 and 19)

•Raise mower to its highest position.

•At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4" of each other.

•If adjustment is necessary, make adjustment on one side of mower only.

•To raise one side of mower, tighten lift link adjustment nut on that side.

•To lower one side of mower, loosen lift link adjustment nut on that side.

NOTE: Three full turns of adjustment nut will change mower height about 1/8".

•Recheck measurements after adjusting.

BOTTOM EDGE OF

 

BOTTOM EDGE

MOWER

 

OF MOWER

TO GROUND

 

TO GROUND

“A”

GROUND LINE

“A”

FIG. 18

SUSPENSION ARM

LIFT LINK ADJUSTMENT NUT

FIG. 19

FRONT-TO-BACK ADJUSTMENT (See Figs. 20 and 21)

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 housing should be adjusted so that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its high- est position.

Check adjustment on right side of tractor. Measure distance “D” directly in front and behind the mandrel at bottom edge of mower housing as shown.

•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 mower loosen nut “E” on both front links an equal number of turns.

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

•To raise front of mower, loosen nut “F” from trunnion on both front links. Tighten nut “E” on both front links an equal number of turns. The two front links must remain equal in length.

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

•Recheck side-to-side adjustment.

MANDREL

"D"

"D"

FIG. 20

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"

NUT "E"

TRUNNION

FRONT LINKS

FIG. 21

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 22)

The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake.

BELT REMOVAL -

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

•Work belt off both mandrel pulleys and idler pulleys.

•Pull belt away from mower.

BELT INSTALLATION -

•Install new belt in reverse order of removal.

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

•Install mower in reverse order of removal instruc- tions.

MANDREL PULLEY

IDLER PULLEYS

MANDREL

PULLEY

FIG. 22

TO CHECK AND ADJUST BRAKE (See Fig. 23)

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.

20

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Poulan PO18H42STA manual To Replace Mower Blade Drive Belt See Fig, Belt Removal, Belt Installation
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PO18H42STA specifications

The Poulan PO18H42STA is a powerful and versatile lawn tractor designed to make mowing large lawns a breeze. With its robust engine and innovative features, this machine stands out as an exceptional choice for homeowners looking for efficiency and reliability in lawn care.

At the heart of the Poulan PO18H42STA is its 18.5 HP Briggs & Stratton engine, which provides ample power to tackle tough mowing tasks with ease. The engine is known for its durability and performance, ensuring that users can rely on it season after season. Whether you're dealing with thick grass or uneven terrain, the engine's strong output makes it well-suited for a variety of lawn conditions.

A key feature of the PO18H42STA is its 42-inch cutting deck. This deck strikes the perfect balance between maneuverability and cutting width, allowing users to navigate through tight spaces while still covering large areas efficiently. The cutting height can be easily adjusted using a manual lever, offering six different settings for a customized mowing experience tailored to the specific needs of your lawn.

The Poulan PO18H42STA also incorporates a hydrostatic transmission, which provides smooth, precise control over speed and direction. This technology eliminates the need for gear shifting, allowing for seamless operation as you move forward or reverse. It enhances the overall user experience, making it suitable for both seasoned operators and those new to lawn tractors.

For added comfort, this model features a comfortable high-back seat designed to reduce fatigue during longer mowing sessions. The seat is adjustable, allowing users to find their optimal driving position. Additionally, the tractor is equipped with ergonomic controls, making it user-friendly and easy to operate.

In terms of maintenance, the PO18H42STA is designed with accessibility in mind. The engine compartment opens easily for routine checks, and the cutting deck can be removed without hassle for cleaning or blade maintenance. This attention to design simplifies upkeep, ensuring that your lawn tractor remains in top condition.

Overall, the Poulan PO18H42STA is a reliable lawn tractor that combines power, convenience, and comfort. With its strong engine, versatile cutting deck, and user-friendly features, it is an excellent investment for anyone looking to maintain a beautiful lawn with minimal effort. Whether you're mowing grassy expanses or navigating around flower beds, this lawn tractor delivers outstanding performance and versatility.
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