Simplicity 1693647 555M manual Discharge Chute Worm Assembly Adjustment, Checking Tire Pressure

Models: 1693647 555M 1693649 755M 1693648 755M 1693646 555M

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Service

DISCHARGE CHUTE WORM

ASSEMBLY ADJUSTMENT

If the Discharge Chute becomes difficult to rotate or begins to operate erratically, the Worm Assembly may require adjustment:

1.Loosen the adjustment screw under the Worm Assembly mounting area (Figure 33).

2.Slide the Worm Assembly in or out to provide smooth engagement between the worm wire and the slots in the base of the Discharge Chute.

3.Tighten the adjustment screw and check for smooth operation by turning the Chute Deflector Knob.

4.Readjust if necessary to provide smooth operation throughout entire range of motion.

5.Lubricate the Chute Ring and Worm Assembly as needed

CHUTE DIRECTION CONTROL ROD GEAR ADJUSTMENT

If the Discharge Chute becomes difficult to rotate or begins to operate erratically, the Chute Direction Control rod gears may require adjustment:

1.Loosen the gear bracket mounting nuts (Figure 34).

2.Slide the gear bracket into the position that provides the best engagement between the gears.

3.Tighten the bracket mounting nuts, and check for smooth operation.

4.Readjust if necessary.

5.Lubricate the Chute Direction Control rod gears with a medium weight (10W) oil.

Discharge Chute

Discharge Chute

Worm Assembly

Adjustment Screw

Figure 33. Discharge Chute Worm Adjustment

Mounting Nuts

Figure 34. Chute Direction Gear Adjustments

CHECKING TIRE PRESSURE

The air pressure in each tire (Figure 35) should be 20 psi (136 kPa) and should be equal for both tires for best per- formance. Be sure to keep caps on valves to prevent entry of debris into the valve stem when tires are filled.

Figure 35. Checking Tire Pressure

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Simplicity 1693647 555M, 1693648 755M, 1693649 755M manual Discharge Chute Worm Assembly Adjustment, Checking Tire Pressure