Poulan 437986, PR624 Service and Adjustments, To Adjust Snow Thrower Height, Chute Deflector

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SERVICE AND ADJUSTMENTS

WARNING: To avoid serious injury, before performing any service or ad- justments:

1.Be sure the on/off switch is in the OFF position.

2.Remove safety ignition key.

3.Make sure the augers and all moving parts have completely stopped.

4.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

To replace the capscrew/shear bolts:

1.Disengage all controls and move throttle control to STOP position. Wait for all moving parts to stop.

2.Remove safety ignition key and disconnect spark plug wire from spark plug. Place wire where it cannot come in contact with spark plug.

3.Align holes in impeller hub with holes in impeller shaft and install two (2) new 1/4-20 x 1-5/8" capscrew/shear bolts. Install 1/4-20 locknuts and tighten securely.

CAUTION: Do not substitute. Use only original equipment capscrew/shear bolts as supplied with your snow thrower.

SNOW THROWER

TO ADJUST SNOW THROWER HEIGHT

See “TO ADJUST SKID PLATES” and “SCRAPER BAR” in the Operation section of this manual.

CHUTE DEFLECTOR

The chute deflector, attached to the top of the discharge chute, is provided to direct discharging snow away from the operator. If the deflector becomes damaged, it should be replaced.

WARNING: To avoid serious injury, never operate your snow thrower with the deflector removed or damaged.

•To change direction and/or distance snow is discharged, see “TO CONTROL SNOW DISCHARGE” in the Op- eration section of this manual.

SHEAR BOLTS (See Fig. 18)

AUGER SHEAR BOLTS

Both right and left-hand augers are secured to the auger shaft with a shear bolt and hex nut. Should a foreign ob- ject or ice become lodged in the augers, the shear bolts are designed to break, preventing damage to any other components. If one or both augers do not turn when auger control lever is engaged, check to see if one or both of the bolts have sheared. To replace the shear bolts:

1.Disengage all controls and move throttle control to STOP position. Wait for all moving parts to stop.

2.Remove safety ignition key and disconnect spark plug wire from spark plug. Place wire where it cannot come in contact with spark plug.

3.Align hole in auger hub with hole in auger shaft and install a new 1/4-20 x 2" shear bolt. Install 1/4-20 lock nut and tighten securely.

CAUTION: Do not substitute. Use only original equipment shear bolts as supplied with your snow thrower.

4.Insert safety ignition key and reconnect spark plug wire to spark plug.

IMPELLER SHEAR BOLTS

The impeller is secured to the impeller shaft with two (2) capscrew/shear bolts and hex nuts. Should a foreign object or ice become lodged in the impeller, the capscrews are designed to break, preventing damage to any other com- ponents. If impeller does not turn when auger control lever

is engaged, check to see if the capscrews have sheared. 15

4.Insert safety ignition key and reconnect spark plug wire to spark plug.

1/4-20

1/4-20 x 1-5/8

1/4-20 x 2

LOCKNUT

CAPSCREW /

SHOULDER /

 

SHEAR BOLT

SHEAR BOLT

 

IMPELLER HUB

 

 

IMPELLER

 

 

SHAFT

 

 

 

AUGER

 

 

HUB

1/4-20

 

 

LOCKNUT

AUGER HUB

AUGER SHAFT

FIG. 18

TO REMOVE BELT COVER (See Fig. 19)

1.Remove the two (2) screws securing belt cover to frame.

2.Remove belt cover.

3.Replace belt cover by installing cover and screws and tighten securely.

BELT

COVER

FRAME

SCREWS

FIG. 19

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Contents Snow Thrower Model NumberSafe Operation Practices for Walk-Behind Snow Throwers Table of Contents Remove Snow Thrower from Carton Assembly / PRE-OPERATIONHOW to SET UP Your Snow Thrower Parts Packed Separately in CartonInstall Speed Control ROD See Figs Install Traction Drive Control ROD See FigsUnfold Upper Handle Install Auger Control ROD See Figs Install Discharge Chute / Chute Rotater Head See FigCheck Tire Pressure Ignition KEY OperationKnow Your Snow Thrower PrimerElectric start button used for starting the engine Meets A.N.S.I. Safety RequirementsTo USE Choke Control See Fig HOW to USE Your Snow ThrowerStopping To USE Fuel SHUT-OFF Valve See FigUsing the CLEAN-OUT Tool See Fig To Throw Snow See FigTo Move Forward and Backward See Fig Before Starting the Engine If Recoil Starter has Frozen Snow Throwing TipsTo Start Engine Before StoppingLubrication MaintenanceGeneral Recommendations Before Each USEEngine CleaningShear Bolts See Fig Service and AdjustmentsTo Adjust Snow Thrower Height Chute DeflectorTo Replace Belts See Fig Engine Speed To Adjust Cable Tension See FigTo Remove Wheels See Fig CarburetorEngine OIL StorageOther Fuel SystemTroubleshooting Exploded KEY Part Description Scrapper BAR Auger HousingAuger Assembly LH Auger Assembly RHSkid Plate RH Auger BearingBearing Plug Skid Plate LHPlastic Washer Knob BlackPOP Rivet WasherRotator Head LEVER/CABLE Rotator AssemblyCable Assembly Adjustable Cable Assembly Heat ShieldRepair Parts Snow Thrower - Model Number PR624 Handles 419797X431Lower Handle Handle Knob SpacerRetainer Knob REDShifter ROD Bottom Impeller RODTraction ROD Shifter ROD TOPTorsion Spring Console PanelInterlock Spring Interlock CAMRepair Parts Snow Thrower - Model Number PR624 Drive Rubber Ring AssemblyDrive Plate Assembly Speed SelectorClik PIN Axle ShaftRoll PIN 3/16 SprocketEngine Mounting Plate Complete LCT EngineFrame 427963X421Idler Pulley Impeller BeltTraction Belt Idler ARM Bracket432332X428 Repair Parts Snow Thrower - Model Number PR624 WheelsWheel Assembly LH 432331X428Safety Ignition KEY Snow Thrower - Model Number422663 Repair Parts Snow Thrower - Model Number PR624 Decals 181037DECAL, Danger Service Notes Service Notes Limited Warranty

PR624, 437986, 96192004201 specifications

The Poulan 96192004201,437986,PR624 is a versatile and powerful snow thrower designed for efficient snow removal during harsh winter conditions. This model stands out due to its robust features and cutting-edge technologies, making it a popular choice among homeowners and professionals alike.

One of the key features of the PR624 is its powerful 24-inch clearing width, which allows users to tackle large areas of snow effectively. The machine's heavy-duty auger system is engineered to break through dense, compacted snow, ensuring that even the toughest winter storms can be managed with ease. The adjustable chute is another significant attribute, enabling users to direct the discharged snow exactly where they want, whether onto driveways, sidewalks, or lawns.

Equipped with a reliable, high-performance engine, the PR624 offers impressive start-up capabilities and smooth operation. This snow thrower is designed to handle a variety of snow types, from light flurries to heavy, wet snow, making it a versatile tool for various winter conditions. The engine’s efficiency enhances its performance while reducing fuel consumption, contributing to both cost savings and environmental benefits.

The PR624 features a user-friendly control panel, allowing for simple adjustments and operations even in challenging weather conditions. Its ergonomic handles provide comfort during extended use, reducing fatigue for the operator. Furthermore, the intuitive gear shift options facilitate seamless transitions between different speeds, ensuring optimal maneuverability on driveways or walkways.

Safety is a top priority in the design of the Poulan 96192004201,437986,PR624. It is equipped with several safety features, including an emergency shut-off mechanism, that provides peace of mind during operation. The durable construction materials and thoughtful design also make this snow thrower capable of withstanding harsh winter elements, ensuring longevity and reliability over the years.

Overall, the Poulan 96192004201,437986,PR624 snow thrower is an excellent investment for anyone needing an efficient and reliable way to manage snow accumulation during the winter months. Its combination of power, ease of use, and thoughtful design makes it a standout choice in the realm of snow removal equipment.
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