Cub Cadet 53AJ8CTX750 Maintenance Service, Removing the Mower Deck, Changing a Blade

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Height of Cut Clevis Pin

Figure. 6

Linch Pins

levels. Bahia blades are configured without offset, and with a maximum amount of sharpened cutting edge.

Mulch- These blades are generally designed for use in cutting decks equipped with mulch baffles. The shape of the blade generally produces higher turbu- lence in order that the grass can be repeatedly cut and re-cut into smaller pieces. These blades gener- ally require more horsepower than other blades. Mulch blades work best when the grasses are cut at the highest levels, minimal lengths of grasses are removed, and grass conditions are generally dry.

MAINTENANCE AND

SERVICE

WARNING:

Disconnect the spark plug wires or remove the key from the ignition to prevent the engine from accidentally starting before performing any maintenance on this mower.

A. Mower Deck

1.Removing the Mower Deck:

a.Apply the parking brake. Remove ignition key and both spark plug caps.

b.Lower the cutter deck to the ground. Cap- ture the lift handle by placing the height of cut clevis pin in the “lock” position.

Main Frame

Linch Pins

c.Remove tension of the PTO belt by moving the belt tensioning rod.

Note: There is a certain amount of spring tension due to the weight of the deck. When removing the lift linkage from the deck the ten- sion of the springs will go from the deck to the lift handle. Not capturing the lift handle while removing the lift linkage from the deck will cause it to snap back.

d.Detach the mower drive belt.

e.Remove six linchpins (See Fig. 6) (4) from the deck and (2) from the front of the mower. Remove the linchpins on the left and right rear side of the cutter deck (2); remove the linchpins on the left and right front side of the cutter deck (2); and remove the linchpins on the front of the mower (2).

f.Turn front caster wheels outward.

g.Shift the deck toward the ignition switch side of the mower and remove.

h.To install reverse the process.

2.Changing a Blade:

a.Remove the Key from the ignition and dis- connect the spark plug.

b.Jack up the front of the mowing deck about one foot and block it in that position.

c.Wrap a rag around one end of the blade and grasp it to prevent it from turning, or secure the blade by placing a block of wood between the blade and the deck housing.

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Contents Hydrostatic Zero-Turn Commercial Riding Mower Table of Contents Forward General General Safety OperationsSafety Precautions Related to Batteries When MowingRelated to Fuel Operator Protection System -Foldable TowingSuspension Seat Shield Missing do not Operate Safety Decals and LabelsSpecifications Operating Instructions When MowingTo Mow Grass and Produce a Striped Pat- tern Safety Awareness when MowingSteering Levers Check the fluid levels and tires Initial AdjustmentsLubricate all fittings listed in the mainte- nance section Zero Turn Break-In And Operating Pro- ceduresOrientation Initial OperationPage Parking the Mower Mower Cutting BladesStart the Engine Mower Deck Maintenance ServiceRemoving the Mower Deck Changing a BladeSharpening a Blade Changing the Spindle AssemblyHydraulic Oil Electrical Circuit Stop the engine and remove the key from the ignition switchAdding Hydraulic Oil use Rimula SAE15W40 Draining Hydraulic OilInstalling the Battery Battery RemovalSpecific Gravity Freezing Temp F Jump StartingInflation Pressure TiresBrakes Hydraulic Oil Tank and Filter Bypass Valve Left Side PumpStorage To Put the Mower Back in Service Maintenance Schedule OIL Chart Enginge RPM Check and Adjustment High Speed Tracking AdjustmentLap Bar Adjustment Deck Corner Ball Wheel Roller SettingsDeck Center Anti-Scalp Roller Settings Deck leveling Procedure Wiring Diagram Page U.S.A Canada