PUMP G.-TRANSM 5M8000 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER EXTENSION FOR JUNE 11, 1990 SL - PSP FOR INSTALLING A NEW PISTON RETAINING BOLT IN THE 9T2879 ART ICULATION CYLINDERS ON CERTAIN 14G MOTOR GRADERS - PS4487 - MAILED US AND CANADA, CACO, CFEL, COSA
  The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
June 29, 1991 U-129 A-95 E-86 O-97 SERVICE LETTER EXTENSION The Termination Date has been extended for the following Service Letter. Change the Termination Date to December 31, 1991. June 11, 1990 - PS4487; Product Support Program For Installing A New Piston Retaining Bolt In The 9T2879 Articulation Cylinders On Certain 14G Motor Graders