Removing and Installing Front Caster Wheels

Disassembly:

1. Park machine safely. See “Park Machine Safely” in the Safety section.

2. Jack up front of machine and place on safety stands.

3. 
   MXAL47137-UN-16APR13

   Support caster assembly and remove flange bolt (A) and cap (B).

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4. Remove caster from machine.

5. 
   MXAL47138-UN-16APR13

   Inspect bearings (C) at top and bottom of frame. Replace worn or damaged bearings.

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6. 
   MXAL47139-UN-16APR13

   Remove nut (D) and pull bolt out of caster.

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7. Remove wheel assembly (E).

8. 
   MXAL47140-UN-16APR13

   Remove shield (F) and bearing (G). Inspect shields, wheel, and bearings for wear or damage. Replace worn or damaged parts.

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9. 
   MXAL42878-UN-09APR13

   Inspect bearing wear areas (H), and bolt holes (I) for wear or damage. Replace if necessary.

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Assembly

• Apply grease to caster shaft and bolt.
• Assemble in the reverse order of disassembly.
• Tighten caster locknut and bolt to specification.

  Item	Measurement	Specification
  Caster Locknut	Torque	47 N·m (35 lb-ft)

• Tighten flange bolt securing yoke to specification.

  Item	Measurement	Specification
  Flange Bolt	Torque	47 N·m (35 lb-ft)