SPRING 1847490 - Caterpillar

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.
This Revised Service Letter replaces the 15Jul2013 Service Letter. Changes have been made to the Termination Date.
TERMINATION DATE
31Jul2016
PROBLEM
The existing frame welds that hold the center tube to the outside of the main rails can crack on certain 795F AC Off-Highway Trucks. If the existing frame welds crack it can cause extended down time for repair. This failure has been reported as early as 8000 machine hours.
AFFECTED PRODUCT
Model Identification Number
795F AC ERM00151-00211
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
Perform repair of the weld and increase weld size to 25mm. This letter should be applied to both sides of the center tube at the time of this repair.
Note: Record a description of the location and length of all cracks found. This information must be included in the comments section of the claim. If no cracks were found, report "No cracks found".
Note: Record all non-OEM attachments to the frame in the affected area of the frame. This information must be included in the comments section of the claim.
Removal of the truck body is not allowed in the program.
During repair verify that the entire crack has been removed utilizing both visual (VT) and magnetic particle (MT) inspection as described in the "Crack Removal, Inspection Verification, and Joint Preparation" section of REHS4441 "Procedure for the Inspection, Repair, and Component Replacement on the Frame of the 795F AC Off-Highway Truck".
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SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-30000 hrs,
0-60 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 46.0-hour job
Before Failure Repair - is a 46.0 hour job and can be applied to this program one time.
After Failure Repair - is a 64.0 hours job and can be applied to this program one time.
Each claim must include a description of the location and length of all cracks found. This information must be included in the comments section of the claim. If no cracks were found, report "No cracks found".
Note: Report all non-OEM attachments to the frame in the affected area of the frame. Add this information in the Comments section of the claim.
Retain copies of all invoices from support and contracted services for audit purposes.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.