794 AC Off-Highway Truck Caterpillar


Rear Wheel Spindle Fasteners - Replace

Usage:

794 AC HRT

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.


  1. Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".


    Illustration 1g06260005
    Location of the rear wheel spindle bolts on the right side of the machine.


    Illustration 2g06233076

    Note: Rear wheel spindle bolts (12) through (16) must be removed and replaced one at a time. Count the bolts starting with bolt (1) just below the notch.

  2. Remove rear wheel spindle bolt (12).

  3. Install a new spindle bolt, and torque the bolt to 1200 ± 100 N·m (885 ± 75 lb ft).

  4. Repeat steps 2 through 3 for rear wheel spindle bolts (13) through (16).

  5. Repeat tightening of bolts (12) through (16) in a circular pattern to 1200 ± 100 N·m (885 ± 75 lb ft) to insure all bolts are evenly tightened.

  6. Turn each bolt an extra 90 ± 5 degrees.

  7. Repeat steps 2 through 6 for the rear wheel spindle bolts (12) through (16) on the other side of the machine.

Caterpillar Information System:

794 AC Off-Highway Truck Rear Wheel Spindle Fasteners - Inspect
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