Snapper 20HP, 19HP, 18HP user manual PTO Clutch Adjustment, Blade Brake Check

Page 38

Troubleshooting, Adjustments, & Service

B

B

 

B

A

 

Figure 29. PTO Clutch Adjustment

A.Adjustment Window (Qty. 3, one shown)

B.Adjustment Nut

A

B

C

Figure 30. Adjust PTO Clutch

A.Window

B.Adjustment Nut

C. .016”-.018” (0,40-0,45mm) Feeler Gauge

PTO CLUTCH ADJUSTMENT

Check the PTO clutch adjustment after every 100 hours of operation. Also perform the following procedure if the clutch is slipping or will not engage, or if a new clutch has been installed.

1.Remove key from ignition switch and disconnect spark plug wires to prevent the possibility of accidental starting while the PTO is being adjusted.

2.See Figure 29. Note the position of the 3 adjustment windows (A) in the side of the brake plate and the nylock adjustment nuts (B).

3.Insert a .016”-.018” (0,40-0,45mm) feeler gauge

(C) through each window, positioning the gauge between the rotor face and the armature face as shown in Figure 30.

4.Alternately tighten the adjustment nuts (B, Figure 29) until the rotor face and armature face just contacts the gauge.

5.Check the windows for an equal amount of tension when the gauge is inserted and removed, and make any necessary adjustments by tightening or loosening the adjustment nuts.

NOTE: The actual air gap between the rotor and armature may vary even after performing the adjustment procedure. This is due to dimensional variations on component parts, and is an acceptable condition.

6.Check the mower blade stopping time. The mower blades and mower drive belt should come to a complete stop within five (5) seconds after the electric PTO switch is turned off.

WARNING

To avoid serious injury, perform adjustments only with engine stopped, key removed and rider on level ground.

BLADE BRAKE CHECK

Mower blades and mower drive belt should come to a complete stop within five (5) seconds after electric PTO switch is turned off.

1.With parking brake engaged, PTO disengaged and an operator in the seat, start the engine engine.

2.Have an assistant observe the mower drive belt through the opening between the frame and top of mower deck. Engage the PTO and wait several seconds. Disengage the PTO and check the amount of time it takes for the mower drive belt to stop.

3.If the mower drive belt does not stop within five (5) seconds, perform the PTO Clutch Adjustment. If the belt still does not stop within five (5) seconds, see your dealer.

Troubleshooting

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Contents 20HP Zero-Turn Riders 18HP Zero-Turn Riders19HP Zero-Turn Riders Page Date Purchased Table of Contents Operating Safety Safety Rules & InformationSlope Operation Retaining Walls, Drop-offs, and Water General Operation Safety Rules and Information Slope OperationService & Maintenance Safe Handling of GasolineIdentification Numbers North American Models Safety DecalsSafety Decals CE ModelsExport Models only Safety Interlock System Safety Interlock SystemNorth American Models only Safety Interlock System Operational Safety ChecksCE Safety Icons Safety IconsNorth American Safety Icons ServicingFeatures & Controls Control FunctionsHour Meter PTO SwitchSeat Adjustment Lever Transmission Oil FillChecks Before Starting General Operating SafetyOperation Pushing the Rider by Hand Starting the EngineStopping the Rider and Engine Forward Travel Practice Zero Turn Driving PracticeSmooth Travel Reverse Travel PracticeExecuting Turns Practice Turning Around a CornerExecuting an End-Of-Row Zero Turn TurningRemoval Mower Removal InstallationInstallation Height of Grass MowingMowing Recommendations Tall Grass Requires Incremental CuttingMowing Patterns When and How Often to MowMowing Methods Proper Broadcast MowingAttaching a Trailer Proper MulchingCheck Transmission Oil Change Transmission Oil Filter Regular MaintenanceBefore Every Spring Each Hours 100 250 Fall Use Oil LubricationGrease Lube Rear Suspension Pivot Under seatService Interval Every 10 Hours or As Required Servicing the Mower BladesChecking / Adding Fuel Engine MaintenanceCheck Tire Pressures Fuel FilterChange Interval Every 250 Hours Filter Part Number Check /FILL Transmission OILTransmission OIL Filter Change Storage Battery MaintenanceCleaning the Battery and Cables Troubleshooting, Adjustments, & Service Troubleshooting the RiderTroubleshooting, Adjustments, & Service Troubleshooting the MowerTroubleshooting Common Cutting Problems StreakingSeat Position Adjustment Seat AdjustmentGround Speed Control Lever Adjustment Neutral Adjustment Speed Balancing AdjustmentCutting Height Adjustment Parking Brake Adjustment Brake Spring Set Collar LocknutSuspension Adjustment Select Models PTO Clutch Adjustment Blade Brake CheckMower Deck Leveling Orient Blades Side-to-SideMower Belt Replacement Roller BAR Leveling Select ModelsHydraulic Pump Drive Belt Replacement Battery ChargingSpecifications Technical ManualsPage 19 HP* Kawasaki Product Quick SpecsBelts and Blades Tractor
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