Poulan PP21H42 manual To Check and Adjust Brake See Fig, To Replace Motion Drive Belt See Fig

Page 22

SERVICE AND ADJUSTMENTS

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 instructions.

TO CHECK AND ADJUST BRAKE (See Fig. 22)

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 engage parking brake.

WITH PARKING BRAKE “ENGAGED”

1-3/4" NUT “A”

JAM NUT

OPERATING

ARM

02537

DO NOT TOUCH THIS NUT. IF FURTHER BRAKE AD- JUSTMENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/DEPARTMENT

FIG. 22

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

•If distance is other than 1-9/16", loosen jam nut and turn nut “A” until distance becomes 1-9/16". Retighten jam nut against nut “A”.

•Engage transmission by placing freewheel control in “transmission engaged” position.

•Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than five (5) feet in highest gear, further maintenance is necessary. Replace brake pads or contact a qualified service center.

TO REPLACE MOTION DRIVE BELT (See Fig. 23)

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 and clutching idler.

•Remove belt downward from around engine pulley.

•Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades.

•Remove belt from center span keeper and pull belt away from tractor.

BELT INSTALLATION -

•Carefully work new belt down around transmission cooling fan and onto the input pulley.

•Slide belt into the center span keeper.

•Pull belt toward front of tractor and roll around the top groove of engine pulley.

•Install belt through stationary idler and clutching idler.

•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).

ENGINE

 

PULLEY

 

CLUTCHING

 

IDLER

 

STATIONARY

 

IDLER

 

TRANSMISSION

 

INPUT PULLEY

CENTER SPAN

 

KEEPER

FIG. 23

22

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Contents PP21H42 General Operation Safety RulesSafe Operation Practices for Ride-On Mowers II. Slope OperationIII. Children ServiceGeneral Service IV. TowingTable of Contents Seat Unassembled PartsSteering Wheel Slope SheetTo Remove Tractor from Carton AssemblyTools Required for Assembly Before Removing Tractor from SkidConnect Battery See Fig Assemble Gauge Wheels to Mower Deck See FigCheck for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor To SET Parking Brake See Fig HOW to USE Your TractorStopping See Fig To Move Forward and Backward To USE Cruise ControlReverse Operation System ROS See Fig Service REMINDER/HOUR MeterUsing the Reverse Operation System To Operate on HillsADD Gasoline Before Starting the EngineCheck Engine OIL Level To Start Engine See FigMowing Tips Maintenance Lubrication ChartTractor BatteryBlade Removal See Fig Engine Cleaning To Level Mower Housing Service and AdjustmentsTo Install Mower See Fig To Remove Mower See FigMandrel Lift Link Adjustment NUTTo Replace Mower Blade Drive Belt See Fig SuspensionTo Check and Adjust Brake See Fig To Replace Motion Drive Belt See FigFront Wheel TOE-IN/CAMBER Transmission REMOVAL/REPLACEMENTTo Adjust Steering Wheel Alignment To Replace Headlight BulbTo Adjust Choke Control To Remove Hood and Grill Assembly See FigTo Adjust Throttle Control Cable To Adjust CarburetorFuel System StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionWith attachment clutch Service Notes Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXService Notes Service Notes

PP21H42 specifications

The Poulan PP21H42 is a powerful and versatile riding lawn mower that is designed to make your lawn care tasks easy and efficient. With its robust features and advanced technology, this mower is well-suited for both residential and small commercial use.

One of the standout characteristics of the Poulan PP21H42 is its 42-inch cutting deck. This size is ideal for maneuvering around obstacles such as trees and flower beds while still allowing for efficient cutting in larger areas. The cutting deck is made from high-quality steel, ensuring durability and longevity even in the toughest mowing conditions.

Powering the Poulan PP21H42 is a reliable Briggs & Stratton engine, known for its efficiency and performance. This engine delivers ample horsepower to tackle thick grass and uneven terrain. The included automatic transmission allows for smooth operation, enabling the operator to easily adjust speed without having to stop and shift gears manually.

The design of the Poulan PP21H42 enhances comfort and ease of use. Its ergonomic seat is adjustable, allowing users of different heights to find their ideal driving position. The mower is equipped with a tight turning radius, making it easier to navigate around obstacles, and the easy-to-access control panel ensures that operators have everything they need at their fingertips.

One of the key technologies featured in the Poulan PP21H42 is its cutting height adjustment feature. With a simple lever, users can adjust the cutting height to one of six different positions, ranging from 1 to 4 inches, allowing for customized cutting according to different lawn types and conditions.

Additionally, this mower comes with a mulching kit option, which finely chops grass clippings and redistributes them back onto the lawn, returning nutrients to the soil and promoting healthier grass growth. The side discharge chute design efficiently disperses clippings without clogging, ensuring a clean and neat finish after mowing.

Safety features are also a priority in the Poulan PP21H42. The mower is equipped with a safety switch that engages when the operator leaves the seat, preventing accidental starts or injuries.

Overall, the Poulan PP21H42 combines performance, comfort, and safety, making it an excellent choice for anyone looking to maintain a well-kept lawn with minimal effort. Whether you have a large yard or a small property, the PP21H42 provides the tools and technology needed for effective lawn care.
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