COVER GP-CYLINDER BLOCK 2380371 - 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.
TERMINATION DATE
31Jul2020
PROBLEM
The existing boom nose bracket may crack from welding of tube block on certain 313D2 LGP Hydraulic Excavators. If the existing boom experiences a boom nose bracket crack issue, it will cause the catastrophic breakage of the Boom.
AFFECTED PRODUCT
Model Identification Number
313D 2 MES10001-10156
313D 2 LGP GAJ00141-00524, 532-554
RKN00193-00356
PARTS NEEDED
Qty
Part Number Description
1 4779380 BRACKET AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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
Repair the boom nose bracket. Refer to M0092533, Special Instruction, "Rework Procedure of Boom Nose Side Plate Crack Near the Hydraulic Line Support Block for Certain 313D2 Excavators", to complete this Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-4000 hrs,
0-12 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
4001-5000 hrs,
13-15 mo 33.0% 50.0% 0.0% 0.0% 50.0% 50.0%
This is a 8.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.