Cub Cadet 53AH8ST3050, 53AH8ST5050 service manual Removing the Mower Deck, Changing a Blade

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Height of Cut Clevis Pin

Figure. 7

Linch Pins

l.Clean up the grass clippings and other materials washed from underneath the mower deck, and dispose of them properly.

Hose Coupler (Shown without Hose Attached)

Water Port

Figure. 6

B.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 foot pedal by placing the height of cut clevis pin in the “lock” position.

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 foot pedal. Not capturing the foot pedal 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. 7) (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 operator’s left 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.

d.Use a 1-1/8" socket wrench on the pulley side of the spindle to secure.

e.Remove the hex nut using a 1-1/8" wrench.

f.Remove the hex nut.

g.To replace the blade reverse the above pro- cess and tighten nut to 100-120 lb ft.

WARNING:

Never mow with dull blades! Blades that are bent should be replaced! The cutting blades are sharp and can cause severe injury. Wrap the cutting surface of the blade with a rag to avoid injury.

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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 TowingSuspension Seat Shield Missing Do not Operate Safety Decals and LabelsSpecifications Operating Instructions When MowingTo Mow Grass and Produce a Striped Pattern Safety Awareness when MowingCheck the fluid levels and tires Initial AdjustmentsOrientation Lubricate all fittings listed in the maintenance sectionZero Turn Break-In And Operating Pro- cedures Initial Operation Start the Engine Cleaning your Deck Maintenance ServiceMower Cutting Blades Parking the MowerChanging a Blade Mower DeckRemoving the Mower Deck Hydraulic Oil Installing the Battery Battery RemovalElectrical Circuit Specific Gravity Freezing Temp FJump Starting TiresInflation Pressure BrakesHydraulic Oil Tank and Filter ScrewStorage To Put the Mower Back in ServiceMaintenance Schedule If Mower is so equipped OIL ChartEngine 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 Gaugeslope Page U.S.A Canada