Removing and Installing Front Caster Wheels

Disassembly:

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

2. 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.
   
   

   Remove all attachments prior to lifting machine.

   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.

   Inner race extends above outer race.

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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. 
   GXT002156-UN-02JUN15

   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.

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

• Tighten flange bolt securing yoke to specification.

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