Walker MT Maintenance Instructions, Adjustments, Straight Ground Travel Adjustment - Step

Maintenance Instructions ADJUSTMENTS

Straight Ground Travel Adjustment - Step 4

1.Sit in the seat, start the engine (operate at nor- mal speed), and with the FSC in the NEUTRAL- PARK position check for forward movement of either drive wheel (if either wheel moves backward, refer back to Neutral Function Ad- justment - Step 3 and readjust). Tighten the steering lever adjustment nut on the side of the mower with the wheel moving forward until wheel movement stops.

2.Check for straight ground track on a level sur- face (with hands off the steering levers). Set the FSC at several different speeds and ob- serve if the mower moves in a straight line (use cement joint or other line on the ground for ref- erence).

NOTE: The final tracking adjustment is made with the mower moving, since the adjustment is quite sensitive and is more easily “fine tuned” when moving.

3.If travel is not straight, tighten the adjustment nut that is on the same side of the mower as the wheel that is moving too fast, e.g., the mower tracks to the right, indicating the LH wheel is moving too fast, tighten the LH adjustment nut.

End Wrench on

Adjustment Nut

Straight Ground Travel Adjustment

Forward Speed Control Friction Lock

The FSC friction lock is adjusted to hold the select- ed forward speed when the steering levers are moved and yet the friction is not too heavy to make moving the control difficult (too much friction). The procedure for checking and adjusting the FSC friction lock is as follows:

FSC Actuator

Friction Washer

Friction

Adjustment Nut

Forward Speed Control Friction Lock

1.Place the FSC in the full FORWARD position and pull both steering levers back; the FSC le- ver should not move. If the FSC lever moves back when the steering levers are pulled back, the friction needs to be increased.

2.With the steering levers held back, move the FSC lever back from the FORWARD position. With a proper amount of friction adjusted, the FSC lever should move back with a slight amount of resistance (friction). If the FSC lever movement is “stiff”, the friction needs to be decreased.

3.The FSC friction is increased or decreased by tightening or loosening the friction adjust- ment nut. Loosen or tighten the nut and check the control function until conditions of both steps 1 and 2 (above) are met.

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