Simplicity 1693764, 1693738, 1693770, 1693771, 1693769 Servicing the Mower Blades, Blade Brake Check

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Regular Maintenance

SERVICING THE MOWER BLADES

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.

1.Remove mower from the tractor. See Mower Installation & Removal.

2.Blades should be sharp and free of nicks and dents. If not, sharpen blades as described in following steps.

3.To remove blade for sharpening, use a wood block to hold blade while removing the blade mounting cap- screw (Figure 36).

4.Use a file to sharpen blade to fine edge. Remove all nicks and dents in blade edge. If blade is severely damaged, it should be replaced.

5.Balance the blade as shown in Figure 37. Center the blade’s hole on a nail lubricated with a drop of oil. A balanced blade will remain level.

6.Reinstall each blade with the tabs pointing up toward deck as shown in Figure 40. Secure with a capscrew (D, Figure 38), spring washer (B), and spline washer

(B). Be certain the spline washer is aligned with the shaft splines. Use a wooden block to prevent blade rotation and torque capscrews to 45-55 ft.lbs. (61-75 N.m.).

WARNING

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

BLADE BRAKE CHECK

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

1.With tractor in neutral, PTO disengaged and operator in seat, start the engine.

2.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 mower drive belt does not stop within five seconds, see your dealer.

LOOSEN

Figure 36. Removing the Blade

Workbench

Nail

Figure 37. Balancing The Blade

B

C

D

A

TIGHTEN

Figure 38. Installing The Blade

A.

Wood Block

C.

Spring Washer

B.

Spline Washer

D.

Capscrew

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Contents Press Operator’s ManualsPaper Size BinderyPage OPERATOR’S Manual Page Table of Contents Safety Rules & Information Safety Rules and Information Do NotChildren Safety Rules & Information Service and MaintenanceModels CE Identification TAG MarkingsNorth American CE ModelsSafety Decals Decal Operating Instructions Bottom PanelDecal Danger Decal Hydraulics Optional Page Control Functions Features & Controls Dashboard Display Functions Test 2 Engine should crank if Operational Safety ChecksTest 1 Engine should not crank if Test 3 Engine should Shut OFF ifGeneral Operating Safety Checks Before StartingStopping the Tractor Engine Operating the TractorStarting the Engine Driving the TractorGeneral Pushing & Towing the TractorAuxiliary Hydraulic System Optional Control Lever FunctionsBumper Removed For Clarity Connecting Hydraulic HosesTest Run Attachment & Check Oil TransmissionMower Deck Removal Installation Removing the Mower DeckMower Installing the Mower Deck Mower Electrical ConnectionStorage Fall Check Tire PressuresBefore Every Spring Tire PressureRegular Maintenance Checking / Adding FuelOIL & Filter Change Check / Change AIR FilterInspect & Replace Spark Plugs Check Transmission OIL Level CHECK/CLEAN OIL Cooler 23HP Models onlyChange Antifreeze Liquid Cooled Models only Changing Transmission Fluid & FilterOil LubricationGrease Transmission FilterFitting Yearly Grease the ElectricLift Rod Grease Arm Grease Fitting YearlyBattery Maintenance Checking the Battery FluidCleaning the Battery and Cables Servicing the Mower Blades Blade Brake CheckTroubleshooting Troubleshooting, Adjustment & Service Tractor TroubleshootingPTO Clutch Adjustment PTO Clutch AdjustmentBrake Linkage Adjustment Burnishing The ClutchTaillight & Dashlight Replacement Tractor PTO Belt ReplacementHeadlight Replacement To avoid damaging belts, do not PRYPulley Stop Adjustment 48 Mower Only Mower AdjustmentsRoller Bracket Adjustment 60 Mower Only Gauge Wheel Adjustment 54 Mower OnlyCutting Height Adjustment Leveling The MowerMower Belt Replacement Mower Drive Belt ReplacementMower Deck 54 Mowers Battery Charging Specifications Dimensions Section TitleTransmission Hydro Optional Accessories Parts & AccessoriesReplacement Parts Maintenance Items

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