SERVICE AND ADJUSTMENTS

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.

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 25)

Park the tractor on level surface. Engage parking brake.

Remove mower drive belt (See “TO REPLACE MOWER DRIVE BELT” in this section of this manual).

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

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

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 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 L.H. mandrel cover.

Reinstall mower to tractor (See “INSTALL MOWER AND DRIVE BELT” in the Assembly section of this manual).

Reassemble mower drive belt (See “TO REPLACE MOWER DRIVE BELT” in this section of this manual).

SECONDARY

IDLER

SECONDARY

IDLER ARM

PULLEY

SPRING ARM

L.H.

 

SPRING

 

MANDREL

 

 

 

CENTER

 

 

MANDREL

 

 

R.H.

 

 

MANDREL

 

 

COVER

BELT

RH

TENSION ROD

SUSPENSION

(DISENGAGED

POSITION)

ARM

 

IDLER

PULLEY

SPRING

ARM

PRIMARY

IDLER ARM

R.H.

MANDREL

RH MANDREL COVER

ELECTRIC

CLUTCH

PULLEY

IDLER

PULLEY

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

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

If tractor requires more than six (6) feet stopping distance at high speed in highest gear on a level dry concrete or paved surface, then brake must be adjusted.

Depress clutch/brake pedal and engage parking brake.

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

If distance is other than 1-3/4", loosen jam nut and turn nut “A” until distance becomes 1-3/4". Retighten jam nut against nut “A”.

FIG. 24

22

Page 22
Image 22
Poulan PR25PH48STB To Replace Mower Drive Belt, To Replace Mower Blade Drive Belt See Fig, To Adjust Brake See Fig

PR25PH48STB specifications

The Poulan PR25PH48STB is a versatile and powerful tool designed to tackle various yard maintenance tasks with ease. Ideal for both homeowners and professional landscapers, this string trimmer combines user-friendly features and advanced technology to ensure efficient performance.

Equipped with a robust 25cc 2-stroke engine, the PR25PH48STB delivers ample power for clearing through tough grasses and weeds. This lightweight engine contributes to the overall maneuverability of the trimmer, allowing users to navigate around obstacles without fatigue during extended use. The high-performance engine is not only powerful but also designed to be fuel-efficient, helping users to save on fuel costs while minimizing their environmental impact.

One of the standout features of the Poulan PR25PH48STB is its pivoting head, which allows for easy transitions between trimming and edging tasks. This unique feature facilitates a smooth operation, making it simple to achieve a clean and professional finish around gardens, driveways, and patios. Additionally, the adjustable handle provides comfort and control, enabling users to change their grip position to suit their height and working style.

The dual-line capability of the PR25PH48STB enhances its cutting efficiency. By using two lines simultaneously, the trimmer can cover a larger area and reduce the time required to complete the job. The Easy Reload string head makes it simple to replace the cutting line, minimizing downtime and keeping users focused on the task at hand.

The trimmer also incorporates anti-vibration technology, which significantly reduces fatigue during prolonged use. This makes it an excellent choice for those who need to tackle large areas or complete challenging tasks without experiencing discomfort. Additionally, the lightweight design contributes to the ease of use and overall user experience.

For enhanced convenience, the PR25PH48STB features a straight shaft design, which provides better reach under bushes and around trees, ensuring gardeners can maintain their yards more effectively. This design also reduces the chance of the user having to bend or strain their back while working.

Overall, the Poulan PR25PH48STB stands out as a reliable and efficient trimmer that combines power, versatility, and user-friendly features. With its advanced technologies and robust design, it’s an ideal solution for anyone looking to maintain a pristine outdoor space effortlessly.