PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER HOSE ON CERTAIN 374F AND 390F EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER HOSE ON CERTAIN 374F AND 390F EXCAVATORS

Usage:

TEBE5539-01

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30Jan2017

(Revised 09May2017)

U-56

A-37

D-44

O-46

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER HOSE ON CERTAIN 374F AND 390F EXCAVATORS
1380 5057		PS53399

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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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53399" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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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.

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NOTE:	This Revised Service Letter replaces the 30Jan2017 Service Letter. Changes have been made to the Affected Product and Service Claim Allowance product smu/age hours.

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TERMINATION DATE

31Jan2019

PROBLEM

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The existing aftercooler hose can collapse on certain 374F and 390F Excavators. If the existing aftercooler hose collapses and fails, an air leak can occur.

AFFECTED PRODUCT

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Model	Identification Number
374F	AP400231-00243 AT200148-00160 MFL00029, 201-272, 274-296, 10001-10008 NFJ00121-00170, 10001-10018
374F L	DNM00201-00501, 10001-10010 EBF00111-00113 P4L00101, 103, 90102, 90200-90202
374F OEM	DP400101-00105 FH900101-00103, 90200 H2500101-00109
390F	GAY00156-00223, 10001-10006, 10008, 10010, 10012 HJD00231-00238, 10001-10008 HSM00281-00306 TYE00131-00223
390F L	FEH00211-00214 MGF00151-00359, 10001-10005 P4J00101-00102, 90200
390F L OEM	N6400101-00105
390F MH OEM	B3700101-00105, 98198 H2790200
390F OEM	PT700101-00102

PARTS NEEDED

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Qty	Part Number	Description
1	5204649	HOSE-AFTERCOOLER
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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

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Replace the failed aftercooler hose and replace with a new 520-4649 Aftercooler Hose. Refer to the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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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, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
6001-14000 hrs, 13-36 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 2.0-hour job

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PARTS DISPOSITION

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

Rework Procedure

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1. Remove the failed aftercooler hose along with the four clamps. Refer to Image1.1.1.

NOTE: Remember the direction and location of the clamps.

Image1.1.1

2. Install a new 520-4649 Aftercooler Hose with four the clamps that were removed. Tighten the clamps to a specified torque of 11 +/- 1 N.m.

3. Insert the existing pipe 76mm from the each hose edge. Refer to Image1.2.1.

NOTE: The Belleville washer stacks of the clamp are nearly collapsed flat.

NOTE: Applying lubricant is acceptable when installing hose.