Snapper 20HP, 19HP, 18HP user manual Servicing the Mower Blades

Page 27

Maintenance

Regular Maintenance

WARNING

For your personal safety, do not handle the sharp mower blades with bare hands. Careless or improper handling of blades may result in serious injury.

WARNING

For your personal safety, blade mounting capscrews must each be installed with a hex/spline washer and spring washer, then securely tightened. Torque blade mounting capscrew to 45-55 ft. lbs. (61-75 N.m.)

SERVICING THE MOWER BLADES

Service Interval: Every 10 Hours or As Required

1.Remove mower deck (see “Mower Deck Removal”).

2.See Figure 17. To remove blade for sharpening, use a block of wood to prevent blade rotation while loosening the capscrew.

3.Remove the capscrew (D, Figure 19), spring washer (C), hex washer (B), and blade.

4.Use a file to sharpen blade to a fine edge. If blade is damaged, it must be replaced.

5.Balance the blade as shown in Figure 18. Center the blade’s hole on a nail lubricated with a drop of oil. A balanced blade will remain level.

6.Reinstall the blade (Figure 19) with the tabs pointing up toward the mower deck as shown.

7.Reinstall the hex washer (B, Figure 19), spring washer (C) and capscrew (D). Use a wooden block

(A) to prevent blade rotation while tightening the capscrew (D) to 45-55 ft. lbs. (61-75 N.m).

Figure 17. Blade Removal

Workbench

Nail

Figure 18. Balancing The Blade

B

C

D

A

Figure 19. Blade Installation

A.4x4 Wood Block

B.Hex Washer

C.Spring Washer

D.Blade Capscrew

24	www.simplicitymfg.com www.snapper.com

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Contents 18HP Zero-Turn Riders 19HP Zero-Turn Riders20HP Zero-Turn Riders Page Date Purchased Table of Contents Safety Rules & Information Operating SafetySlope Operation Retaining Walls, Drop-offs, and Water General Operation Slope Operation Safety Rules and InformationSafe Handling of Gasoline Service & MaintenanceIdentification Numbers CE Models Safety DecalsSafety Decals North American ModelsOperational Safety Checks Safety Interlock SystemNorth American Models only Safety Interlock System Export Models only Safety Interlock SystemServicing Safety IconsNorth American Safety Icons CE Safety IconsControl Functions Features & ControlsTransmission Oil Fill PTO SwitchSeat Adjustment Lever Hour MeterGeneral Operating Safety OperationChecks Before Starting Starting the Engine Stopping the Rider and EnginePushing the Rider by Hand Reverse Travel Practice Zero Turn Driving PracticeSmooth Travel Forward Travel PracticeTurning Practice Turning Around a CornerExecuting an End-Of-Row Zero Turn Executing TurnsMower Removal Installation InstallationRemoval Tall Grass Requires Incremental Cutting MowingMowing Recommendations Height of GrassProper Broadcast Mowing When and How Often to MowMowing Methods Mowing PatternsProper Mulching Attaching a TrailerRegular Maintenance Before Every Spring Each Hours 100 250 Fall UseCheck Transmission Oil Change Transmission Oil Filter Lube Rear Suspension Pivot Under seat LubricationGrease OilServicing the Mower Blades Service Interval Every 10 Hours or As RequiredFuel Filter Engine MaintenanceCheck Tire Pressures Checking / Adding FuelCheck /FILL Transmission OIL Transmission OIL Filter ChangeChange Interval Every 250 Hours Filter Part Number Battery Maintenance Cleaning the Battery and CablesStorage Troubleshooting the Rider Troubleshooting, Adjustments, & ServiceTroubleshooting the Mower Troubleshooting, Adjustments, & ServiceStreaking Troubleshooting Common Cutting ProblemsSeat Adjustment Ground Speed Control Lever AdjustmentSeat Position Adjustment Speed Balancing Adjustment Cutting Height AdjustmentNeutral Adjustment Brake Spring Set Collar Locknut Parking Brake AdjustmentSuspension Adjustment Select Models Blade Brake Check PTO Clutch AdjustmentOrient Blades Side-to-Side Mower Deck LevelingRoller BAR Leveling Select Models Mower Belt ReplacementBattery Charging Hydraulic Pump Drive Belt ReplacementTechnical Manuals SpecificationsPage Product Quick Specs Belts and Blades Tractor19 HP* Kawasaki