SHAFT ASSEM. 2S6122 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR JUNE 1, 1991 SL - PSP FOR INCREASING THE LUBRICATION TO THE VALVE TRAIN ON CERTAIN LOW SPE ED 3406B GENERATOR SET, INDUSTRIAL, AND MARINE ENGINES - PS4632 - MAILED US AND CANADA, CACO, CFEL, MARINE TEPS, LIMITE D COFA, LIMITED 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.
October 23, 1991 U-210 A-157 AU-138.1 E-144 O-160.1 TM-17 SERVICE LETTER SUPPLEMENT Some information needs to be changed in the Service Letter which follows: June 1, 1991 - PS4632; Product Support Program For Increasing The Lubrication To The Valve Train On Certain Low Speed 3406B Generator Set, Industrial, And Marine Engines Under the heading Affected Product, add the following product identification numbers.
Affected Product
Model Identification Number 3406B 2WB8421, 9216, 9768, 10224, 10298, 10358, 10368, 10686, 10693, 10699, 10678, 10679, 10683, 10687, 10692, 10698, 10857 4TB2985, 3078, 3082, 3098, 3106, 3141, 3151, 3179, 3182, 3212, 3213, 3288-3292, 3313 6TB7085, 8338