PUSH ARM GP 4T8186 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 27, 1987 SL - PS4133 - PSP FOR IMPROVED MODULATION IN BACKHOE STICK, BOOM AND SWING AND LOADER LIFT IMPLEMENTS ON 416, 426, 428 BACKHOE LOADERS - MAILED US AND CANADA, CACO, COSA, LIMITED CFEL, LIMITED COFA
  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.
SERVICE LETTER SUPPLEMENT U-43 A-12 AU-17.1 E-10.1 O-17 Some information needs to be changed in the following Service Letter. February 27, 1987 - PS4133; Product Support Program For Improved Modulation In Backhoe Stick, Boom and Swing And Loader Lift Implements On 416, 426 And 428 Backhoe Loaders Under the heading Parts Needed change the part number 4J533 to 4J7533.