TURBOCHARGER GP 6N9782 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR JULY 29, 1988 SL - PS4254 - PSP FOR CRACKS AT THE SPREADER TUBE TO BOWL SIDEWALL JOINT ON 631E, 63 7E - MAILED US AND CANADA, CACO, COFA, BRAZIL, 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.
U-141 A-101 AU-97.2 B-22 O-87 The Termination Date has been extended for the following Service Letter. Change the Termination Date to July 31, 1990. July 29, 1988 - PS4254; Product Support Program For Crackes At The Spreader Tube To Bowl Sidewall Joint On 631E And 637E Scrapers