EDGE-SEGMENT 2646233 - Caterpillar

June 14, 2005
(Revised November 2005)
U-188
D-150
O-157
beforeor
after failure PRODUCT SUPPORT PROGRAM FOR INSPECTINGAND IF REQUIRED REPLACING 6I2406 TUBE ASSEMBLIES ON CERTAIN G3612 AND G3616ENGINES
1274 PS41825
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS41825"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe June 14, 2005 (Revised July 2005) Service Letter. Changes have beenmade to the Note just below the Title.TERMINATION DATE
June 30, 2006PROBLEM
The 6I2406 Tube Assembly may need replaced on certainG3612 and G3616 engines. This tube is used for the prechamber fuel line.The affected serial numbers below may have been assembled at the factorywith 6I2406 Tube Assemblies that were of the wrong material. This materialmay deteriorate over time causing a leak.AFFECTED PRODUCT
****Group 1****
Model Identification Number
G3612 BKE236-247
****Group 2****
Model Identification Number
G3616 BLB216-230PARTS NEEDED
****Group 1****
Qty
Part Number Description
6 6I2406 TUBE AS
****Group 2****
Qty
Part Number Description
8 6I2406 TUBE ASACTION REQUIRED
The affected engines listed above should be inspectedfor 6I-2406 tubes assemblies of improper material. The 6I-2406 tube asis used on cylinders 2, 4, 6, 7, 9, and 11 on the G3612 and cylinders 2,4, 6, 8, 9, 11, 13, and 15 on the G3616. The prechamber fuel lines on thesecylinders should be tested with a strong magnet. If the magnet "sticks"to the tube as, the line should be replaced with a new 6I-2406 tube fromthe parts system. If the magnet does not "stick", the tube should not bereplaced. Illustration 1SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-10,000 100% 2.5 0 0 0 0
This is a maximum of a 2.5 hr job.Caterpillar will pay the following labor plustravel and miscellaneous expenses:
Inspection allowance is 0.5 hrs. per engine. Thoselisted in Group 1 should be inspected.
Tube As. change allowance is 0.3 hrs. per TubeAs.
PARTS DISPOSITION
Handle the parts in accordance with yourWarranty Bulletin on warranty parts handling.