PRODUCT SUPPORT PROGRAM FOR REPAIRING BOOM NOSE CRACK ON THE HD BOOM ON CERTAIN 313D2L HYDRAULIC EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPAIRING BOOM NOSE CRACK ON THE HD BOOM ON CERTAIN 313D2L HYDRAULIC EXCAVATORS

Usage:

TEBE4108-00

Show/hide table

14Jan2016

A-21

D-22

Show/hide table

Before/After	PRODUCT SUPPORT PROGRAM FOR REPAIRING BOOM NOSE CRACK ON THE HD BOOM ON CERTAIN 313D2L HYDRAULIC EXCAVATORS
6501		PS44961

Show/hide table

NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS44961" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Show/hide table

NOTE:

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.

Show/hide table

TERMINATION DATE

31Jan2018

PROBLEM

Show/hide table

The existing 392-0248/392-0348/392-0292 Boom nose bracket may crack along with tube block on certain 313D2L Hydraulic Excavators. If the existing 392-0248/392-0348/392-0292 Boom experiences a boom nose bracket crack issue, it will impact the machine performance.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
313D 2 LGP	GAJ00141-00155 RKN00193-00356

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
1	4779380	BRACKET AS (After Failure Only)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

Show/hide table

For a Before Failure repair, refer to Step 1, 2, 3, 4, 6, 10, 11, 12, and 13 in the attached Rework Procedure.

For an After Failure repair, refer to the attached Rework Procedure.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-6000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

Show/hide table

NOTE: This is a 8.0-hour job
Note: For a crack length of less than 12.5mm, 8.0 hours is allowed for the boom nose bracket repair. Note: For a crack length of more than 12.5mm, an additional 16.0 hours is allowed for boom nose bracket replacement. Note: 10 US Dollars will be allowed for the fabrication of the block or the backup strip.

Show/hide table

PARTS DISPOSITION

Show/hide table

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

Show/hide table

Rework Procedure for a boom crack issue. Refer to Image1.1.1 for the location of the issue.

Note: Refer to REHS1841, Special Instruction, "General Welding Procedures", for additional information related to safety.

Image1.1.1

1. Refer to REHS1841, Special Instruction, "General Welding Procedures", "Proper Cleaning for Inspection".

2. Refer to REHS1841, Special Instruction, "General Welding Procedures", "Preparing the Area for Welding".

3. Use the dye penetrate to inspect the entire area for possible cracks.

4. Protect the machined surfaces from sparks and weld deposits.

5. Measure of crack length of outside and inside Refer to Image1.2.1

- If the crack length of the outside and inside is Max 12.5, proceed to Step 6.

- If the crack length is more 12.5mm, replace boom nose bracket, Order the 477-9380 Boom Nose Bracket Assembly and replace it according to SEHS0068, Special Instruction, "Procedure to Replace the Bracket Assembly of the Boom Nose on Reach Booms for Certain D Series, E Series and F Series Excavators".

Image1.2.1

6. Use an air carbon arc torch in order to gouge out the block and crack completely. Refer to Image1.2.2.

Image1.3.1

7. Use a grinder in order to check the crack.

8. Use the dye penetrate to inspect the gouged area in order to ensure that the crack has been removed. Be sure to clean the prepared groove before welding.

9. Weld the gouged groove with enough penetration. Tie-in to each plate with the proper weld penetration. Refer to the data for the weld passes in Image1.4.1.