Service Steering & Brakes

Removing and Installing Rear Drive Wheels

c CAUTION: Avoid injury! The machine can fall or slip from an unsafe lifting device or supports. · Use a safe lifting device rated for the load to be lifted. · Lower machine onto jack stands or other stable supports and block wheels before servicing.

Removing:

1. Park machine safely. (See Parking Safely in the SAFETY section.)

MX21218

2. Slightly loosen five wheel nuts (A).

3. To remove the rear drive wheels on the machine:

· Lift machine with a safe lifting device.

4. Remove wheel nuts.

5. Remove wheel.

Installing:

1. Install new wheel.

M77000a

2. Install and tighten wheel nuts in numbered sequence shown for safe wheel installation. Tighten alternately until recommended torque value is reached.

· Tighten nuts to 100 N·m (75 lb-ft.).

3. Lower machine.

Removing and Installing Front Caster Wheels

c CAUTION: Avoid injury! The machine can fall or slip from an unsafe lifting device or supports. · Use a safe lifting device rated for the load to be lifted. · Lower machine onto jack stands or other stable supports and block wheels before servicing.

Removing

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Lift front of machine with a safe lifting device.

MX13146

3. Remove hex nut (A) and wheel bolt (B).

4. Remove wheel from assembly yoke (C).

Installing

1. Install replacement wheel.

2. Install wheel bolt (B) and hex nut (A).

3. Tighten nut.

4. Lower machine.

Adjusting Front Caster Spindle Bearing

NOTE: Adjustment required only if front caster wheel shimmies during travel.

1. Park machine safely. (See Parking Safely in the SAFETY section.)

MX21431

2. Remove dust cover (A) from top of spindle.

3. Remove cotter pin (B).

4. Turn castle nut (C) 1/4 turn clockwise.

5. Replace cotter pin. Do not loosen the castle nut to align cotter pin hole; increase the tightening to align.

6. Replace dust cover.

7. Test machine to determine if shimmy is still present. Repeat adjustment as necessary.

Checking and Aligning Motion Control Levers

Checking Alignment:

1. Park machine safely. (See Parking Safely in the SAFETY section.)

MX18485

2. With the levers (A) in the neutral position, check the gap (B) between the lever tips.

· The recommended gap is 3-6 mm (1/8-1/4 in.). If the lever end gap is not within specification, move the levers to the neutral lock position and carefully bend them outward. Move them back to neutral position and check for the recommended gap.

3. Move both motion control levers fully forward and check levers for equal alignment.

· If positions of the control levers are unequal, an adjustment is necessary.

Alignment Procedure

MX18486

1. Loosen nuts (A).

2. Slide both levers forward or rearward to desired position on control arm until levers are aligned.

3. Tighten nuts.

Adjusting Park Brake

1. Park machine safely. (See Parking Safely in the SAFETY section.)

MX21221

2. Loosen set screw (A) on park brake handle knob and and turn knob clockwise several times. Tighten set screw down into the lower slot.

3. Test park brake.