Poulan 421028 owner manual Frame Auger Assembly Housing Handles

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SERVICE AND ADJUSTMENTS

WARNING: Belt replacement requires separation of the snow thrower. While separating the auger housing from the frame assembly, it is important that an assistant stand in the operating position and hold the snow thrower handles. Serious personal injury and/ or damage to the unit could occur if the snow thrower should fall during the belt changing process.

FRAME

AUGER

ASSEMBLY

HOUSING

HANDLES

1.REMOVE GASOLINE FROM FUEL TANK - Drain gaso- line from fuel tank into a suitable container, outdoors, away from fire or flame. Wipe up any spilled gasoline.

2.REMOVE DISCHARGE CHUTE - Loosen locknut securing chute rotator head to mounting bracket only enough to allow chute rotator head to be raised and discharge chute to be removed from snow thrower.

3.REMOVE BELT COVER - See “TO REMOVE BELT COVER” in this section of this manual.

4.REMOVE ENGINE PULLEY - Remove bolt, lockwasher and flat washer securing pulley to engine crankshaft. Remove outside (auger) pulley only from crankshaft.

5.SEPARATE SNOW THROWER - With your assistant standing in the operating position holding the handles, remove the two (2) bolts holding the auger housing and frame together.

WARNING: As the last bolt is removed, have your assistant carefully lower the handles down to the ground.

6.REMOVE HAIRPIN FROM CLUTCH ROD and remove clutch rod from swing plate. Tip swing plate forward.

7.REMOVE AUGER BELT from around pulley.

8.RELIEVE TENSION ON TRACTION DRIVE BELT IDLER and remove traction drive belt from around pulleys.

HINT: Insert a 3/8" drive ratchet (in the “ON” position) into the square hole in idler arm and rotate ratchet clockwise to relieve tension.

9.With tension relieved on idler, install new traction drive belt around pulleys and inside belt keepers.

10.Install clutch rod in swing plate; secure with hairpin.

11.Place auger belt around and inside the groove of auger pulley only.

12.While your assistant slowly raises handles to rejoin the auger housing and frame assembly, pull up on the auger belt and squeeze sides together above pulley so belt is fully seated in groove of pulley.

13.Move idler arm so it does not hit impeller pulley as you bring snow thrower completely together and check carefully for proper routing of belts. If auger belt has become dislodged from the pulley (by catching the idler arm bracket while bringing snow thrower together), separate the snow thrower and repeat step 12. Belt must be fully seated in pulley groove when bringing the snow thrower together.

14.Install the two (2) hex bolts and tighten securely.

15.INSTALL ENGINE PULLEY - Place belt in pulley groove and slide pulley on crankshaft. Install flat washer, lockwasher and bolt and tighten securely (41-47 N-m torque). Make sure belt is inside belt keeper.

16.INSTALL BELT COVER and two (2) screws. Tighten securely.

17.INSTALL DISCHARGE CHUTE – See “INSTALL DIS- CHARGE CHUTE / CHUTE ROTATER HEAD” in the Assembly / Pre-Operation section of this manual.

 

BELT KEEPER

 

 

TRACTION DRIVE BELT

 

ENGINE

FLAT WASHER

 

PULLEY

 

 

 

 

LOCKWASHER

 

 

BOLT

IDLER ARM

AUGER

SQUARE

BELT

HOLE

 

 

CLUTCHING

 

 

IDLER ARM

 

 

BRACKET

 

FRAME

AUGER PULLEY

AUGER

HOUSING

 

 

 

BOLTS

FIG. 22

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Contents Model Number Snow ThrowerSafe Operation Practices for Walk-Behind Snow Throwers Table of Contents HOW to SET UP Your Snow Thrower Parts Packed Separately in Carton Assembly / PRE-OPERATIONRemove Snow Thrower from Carton Install Traction Drive Control ROD See Figs Install Speed Control ROD See FigsUnfold Upper Handle Install Discharge Chute / Chute Rotator Head See Fig Install Auger Control ROD See FigsCheck Tire Pressure Operation Know Your Snow ThrowerPrimer Ignition KEYMeets A.N.S.I. Safety Requirements Recoil auxiliary starter handle used for starting the engineHOW to USE Your Snow Thrower StoppingTo Throw Snow See Fig Using the CLEAN-OUT Tool See FigTo Move Forward and Backward See Fig Before Starting the Engine To Start EngineBefore Stopping Snow Throwing TipsIf Recoil Starter has Frozen Maintenance Cleaning EngineTo Adjust Snow Thrower Height Service and AdjustmentsChute Deflector Frame Auger Assembly Housing Handles Storage CarburetorEngine Speed Fuel SystemOther CylinderTroubleshooting Auger Housing KEY Part DescriptionScraper BAR Auger BearingAuger 27 LH Auger 27 RHSkid Plate LH Skid Plate RHExploded Gearbox Assembly 178675X008 Corner Bracket Clean OUT ToolBearing Impeller PulleyChute Weldment Deflector WeldmentDeflector Seal StrapLEVER/CABLE Rotator Assembly Cable AssemblyRotator Head Rotator Pivot BracketRepair Parts Snow Thrower - Model NO. PR8527ES Handles Loop Handle LH Loop Handle RHControl Panel Control Lever LHControl Lever RH Traction ROD ARMCarriage Bolt 5/16−18 X 155377 NUT 5/16−18 169675 Repair Parts Snow Thrower - Model NO. PR8527ES Drive 43 420900 Drive Plate Assembly END PlateControl ARM Clevis PINAxle Shaft Roll PIN 3/16Sprocket Clik PINFrame ENGINE, TECEngine Mount Plate Traction Belt Belt CoverImpeller Belt Repair Parts Snow Thrower - Model NO. PR8527ES Wheels Wheel Assembly LHSafety Ignition KEY Repair Parts Snow Thrower - Model NO. PR8527ES BAG of Parts35062 Repair Parts Snow Thrower - Model NO. PR8527ES Decals 181037DECAL, Danger DECAL, DANGER, DeflectorService Notes Service Notes Limited Warranty

421028 specifications

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