Simplicity 300 Series manual Arbor Drive Belt Replacement 44 & 50 Mowers

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Troubleshooting, Adjustment, & Service

Arbor Drive Belt Replacement - 44” & 50” Mowers

NOTE: Be sure to use only genuine Simplicity replacement parts.

1.Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, turn off the engine and lock the parking brake. Remove the key.

2.Remove the mower from the tractor. See Mower Removal in the Operation section.

3.Remove the capscrews securing the right-hand arbor cover (B, Figure 43). Remove three capscrews securing left-hand arbor cover (D).

4.Using a pair of locking pliers or a spring puller, remove the idler pulley spring (C, Figures 43) from slot in deck.

5.Loosen capscrew (A, Figure 43) securing the idler pulley to the bracket. The belt can now be slipped between the pulley and idler bracket hub.

6.Install a new belt as shown in Figure 44. Make sure that V-side of belt runs in arbor pulley (A) grooves and flat side of belt runs against idler pulley (B).

7.Tighten the capscrew (A, Figure 43).

8.Reinstall spring (C, Figures 43) into its slot in mower deck.

9.Reinstall the left and right arbor covers (B and D, Figures 43).

10. Install the mower onto the tractor.

D

B

C

A

Figure 43. Mower Deck - 44" & 50” Mowers

A.Capscrew

B.Right-hand Arbor Cover

C.Spring

D.Left-hand Arbor Cover

A

FRONT

A

A

B

Figure 44. Mower Deck Drive Belt Routing All Models

A.Arbor Drive Pulley (V-sided)

B.Idler Pulley (Flat-sided)

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Contents Mower Decks 18HP Hydro Tractors20HP Hydro Tractors 1732286Page Table of Contents Safety Rules & Information Operating Safety Safety Rules and Information Slope OperationSafety Rules & Information General OperationIgnition System Service & Maintenance Safe Handling of GasolineNorth American Identification NumbersCE Identification Tag Markings CE ModelsNorth American Models Safety DecalsSafety Decals All ModelsCE Safety Icons Safety IconsChoke Control FunctionsThrottle Control HeadlightsFeatures & Controls Hourmeter Volt Power OutletParking Brake Function Automatic Controlled TractionGeneral Operating Safety Operational Safety ChecksAdding Fuel Stopping the Tractor & Engine Operating the TractorStarting the Engine Driving The TractorPushing the Tractor by Hand Mowing in ReverseAttachment Operation in Reverse Adjusting Mower Cutting Height 38, 44 & 50 Mower Decks Adjusting Mower Cutting Height 40 Mower DecksManual Lift Models Lift Variations When Using AttachmentsAttaching a Trailer Snowthrower Dozer E Applications MowerSimplicity, Massey Ferguson or Agco Models Mower Deck Removal & InstallationInstalling the Mower Deck Removing the Mower DeckSnapper Models Upper Hanger Upper Hole Lift Hook Lower Hole Long HubStorage How High To Mow the Grass How and When to WaterFertilize & Aerate Tall Grass Requires Incremental CuttingWhen and How Often to Mow Lawn Care & Mowing InformationProper Mowing Speed Limitations of Mulching Decks Using a Mulching Mower Benefits of Proper MulchingUsing the Side Discharge Deflector Correct Ground Speed & Engine SpeedRegular Maintenance Before Every Spring Each Hours 100 250 Fall UseRegular Maintenance Service Interval Every 100 Hours Battery MaintenanceCleaning the Battery and Cables Service Interval YearlyLubrication GreaseOil Service Interval Every 100 Hours or As Required Servicing the Mower BladesCheck Mower Blade Timing 40 Mowers Check Blade TimingTransmission Maintenance K57 MaintenanceTransmission Identification Maintenance Records Troubleshooting Adjustment, & Service TroubleshootingTroubleshooting, Adjustment, & Service Tractor TroubleshootingPitch Adjustment Seat AdjustmentBattery Charging Seat Slide AdjustmentBrake Adjustment Steering Wheel AdjustmentSteering Gear Adjustment Thicker Spoke Faces SeatPTO clutch adjustment Adjust PTO Clutch Window Adjustment Nut Feeler GaugeHook Tractor Lift Arm Mower AdjustmentsGauge Wheels Select Models Jam Nut WasherLeveling The Mower Leveling The Mower Side-to-Side, J-Hook Models LocknutTo avoid damaging belts, do not PRY Mower Belt Replacement44 & 50 PTO Belt Replacement GapArbor Drive Belt Replacement 44 & 50 Mowers Mower PTO Belt Replacement Mower Arbor Drive Belt Replacement Release Cogged Belt Tension a /8 Ratchet and ExtensionMower Drive Belt Replacement Broadmoor / 300 / 1600 / 2600 Series 20 HP* Briggs & Stratton18 HP* Briggs & Stratton K57Optional Accessories Replacement PartsMaintenance Items Technical ManualsO D U C T S