Brake and Wheel Drive Linkage Adjustment

Maintenance

Figure 18

48 inch Belt Guide Location (Viewed from underneath the deck)

1.1 3/8 inch (3.5 cm)

Brake and Wheel Drive Linkage Adjustment

1.Check for correct brake adjustment:

Place the drive levers in the “park brake” position. The mower should not move forward or backward. If it does, tighten the wingnuts.

Place the drive levers in the “neutral lock” position. The mower should move forward and backward freely. If it does not, brake adjustment is necessary

2.Adjust brakes by adjusting wingnut on the upper end of each brake rod. Tighten the wingnut until the brakes engage when the drive levers are squeezed enough to allow the neutral lock/park brake latches to be placed into the “park brake” position.

See Figure 6 for Standard Pistol Grip handles and Figure 7 for ECS handles.

Note: The neutral lock/park brake latches must be able to be moved into the park brake position, if not, the brake linkages must be adjusted again.

3.Check for correct wheel drive linkage adjustment.

For Pistol Grip Handles

Allow drive levers to drop into the full forward position: The clevis pin should rest in the neutral lock latch with approximately 3/16 inch to 1/4 inch (4.7–6.4 mm) clearance from the bottom of the slot (see Figure 19). Adjust if necessary.

To adjust the wheel drive linkage:

A.For wheel drive linkage adjustment, remove the hairpin between the neutral lock latch and drive lever (Figure 19).

Figure 19

Left Side Shown

1.

Drive Lever

4.

Neutral Lock/Park Brake

 

 

 

Latch

2.

Clevis Pin

5.

Hairpin

3.Drive Linkage

B.Adjust drive linkage length by threading into or out of the swivel until there is a 3/16 inch to 1/4 inch (.47-.64 cm) clearance between the linkage assembly and the bottom of the slot in the neutral lock/park brake latch (see Figure 20).

Figure 20

1.3/16 inch to 1/4 inch (.47 cm-.64 cm)

2.Neutral Lock/Park Brake Latch

3.Drive Linkage

Note: Neutral lock/park brake latch clearance should be checked when there is

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Exmark 4500-352 manual Brake and Wheel Drive Linkage Adjustment, Maintenance, For Pistol Grip Handles