Cub Cadet 18.5HP Z-Force 42, 22HP Z-Force 48 service manual Tires, Inflation Pressure

ing brake switch must be repositioned or perhaps replaced. If the engine does not start, engage the parking brake and start the engine. Swing one steering lever up to the operating position and the engine should stop. If the engine does not stop, the parking brake switch must be reposi- tioned or replaced.

c.Left and Right Steering Lever Switches: Sit in the operator’s seat. With both steer- ing levers opened-out in the neutral posi- tion, the parking brake engaged and the blade clutch switch “off”, swing the left steering lever up to the operating position and try to start the engine. The engine should not start. If it does, the left steering lever switch must be repositioned or per- haps replaced. Open the left steering lever to the neutral position and swing the right steering lever up to the operating position and try to start the engine. The engine should not start. If it does, the right steer- ing lever switch must be repositioned or perhaps replaced. If the engine does not start, open the right steering lever to the neutral position and start the engine. Swing the left steering lever up to the oper- ating position and the engine should stop. If the engine does not stop, the left steering lever switch must be repositioned or replaced. Open the left steering lever out to the neutral position and start the engine. Swing the right steering lever up to the operating position and the engine should stop. If the engine does not stop, the right steering lever switch must be repositioned or replaced.

d.Seat Switch: With both steering levers opened-out to the neutral position, the parking brake engaged and the blade clutch switch in the “off” position, start the engine. Now release the parking brake, hold down on the back of the operator’s seat against spring pressure, and swing one of the steering levers up to the operat- ing position. Release the operator’s seat and the engine should stop. If the engine does not stop, the seat switch must be replaced. With both steering levers folded out in the neutral position, the parking brake engaged and the blade clutch switch in the “off” position, sit in the operator’s seat and start the engine. Turn the blade clutch switch to the “on” position and the blades should start to rotate. Raise up slightly off the operator’s seat and the blades should stop. If the blades do not

stop when you dismount from the opera- tor’s seat, the seat switch must be replaced.

e.Electric PTO Clutch: This clutch operates when the engine is running, the operator is in the operator’s seat and the blade clutch switch is turned on. This electric clutch is a fairly trouble free device. If a problem develops and the blades do not turn, first check the 20 amp fuse in the yellow, 16- gauge wire between terminal “L” on the ignition switch and the hour meter and then investigate the wiring harness and the con- nections to the seat switch, the blade clutch switch and the electric blade clutch. Then check the seat switch, the blade clutch switch and finally the electric blade clutch.

f.No Cut in Reverse Switches: When both speed/direction levers are moved past “neutral” to reverse the PTO Clutch will be deactivated and the mower blades will stop rotation. The PTO will be reactivated when one or both of the levers are moved back to “Neutral”.

D.Tires

The two front wheels are caster wheels that are free to swivel to accommodate the direction of the mower.

The two rear wheels are used to propel the mower in the direction of input from the drive handles. Inflation pressure of the rear tires is important for stability while the mower is in operation. If the tire diameter is not equal between the two tires, the mower will pull to one side.

1.Inflation Pressure:

a.Traction Tires—20 psi max; 8-10 psi rec- ommended

b.Front Caster Wheel—28 psi max; 20-25 psi recommended

c.Cutting Deck Ball Wheels—Solid Polyure- thane.

Use the Following guidelines for maintaining the tires:

a.Balance inflation pressure between the rear tires to help maintain straight travel (see tire side wall for proper inflation pres- sure).

b.Keep the valve caps tightened to prevent air pressure loss.

2.Leaking Tires: When a flat tire occurs, repair or replace immediately. The normal procedure is to remove the wheel and replace it. If a tire is getting soft, park the mower on the nearest

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