2014/12/11 Caterpillar


A New Rod is Being Used to Support Hydraulic Lines on Certain Track Feller Bunchers {0679, 5057, 5456, 6501, 7051}

Usage:

521B F7B
Track Feller Buncher:
521B (S/N: F7B1-UP)
522B (S/N: F7C1-UP)

ReferenceRefer to Special Instruction, REHS9626, "Installation Procedure for Hydraulic Hose Support Rod on Certain Track Feller Bunchers" for a rework procedure for affected machines.

Description of Change: A new 378-8866 Rod Is now being use on certain Track Feller Bunchers. The new rod will improve the service life of the boom hydraulic hoses and the cab heater hoses.

Adaptable To: The new rod is adaptable to the following machines:

  • 521B (S/N: F7B1-296)

  • 522B (S/N: F7C1-270)

The new rod is effective in production on the following machines:

  • 521B (S/N: F7B297-UP)

  • 522B (S/N: F7C271-UP)

Caterpillar Information System:

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