PRODUCT SUPPORT PROGRAM FOR REWORKING THE BLADE CONTROL RELIEF PRESSURE ON CERTAIN 335F LCR EXCAVATORS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE BLADE CONTROL RELIEF PRESSURE ON CERTAIN 335F LCR EXCAVATORS

Usage:

TEBE4080-00

11Jan2016


U-21
O-17

 

Before/After

  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE BLADE CONTROL RELIEF PRESSURE ON CERTAIN 335F LCR EXCAVATORS

3210 5057
PS44958
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 "PS44958" 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.

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.


TERMINATION DATE

31Jan2018

PROBLEM

The existing blade control relief pressure can be lower than the required specification on certain 335F LCR Excavators. If the existing blade control relief pressure is lower than the required specification, lower blade force or hydraulic noise can occur.

AFFECTED PRODUCT

Model Identification Number
335F LCR  KNE00241, 296, 311, 346, 385, 399

PARTS NEEDED

No parts needed for this program

ACTION REQUIRED

Reset the blade control relief pressure. Refer to the KENR9985, Testing and Adjusting, "Relief Valve (Blade) - Test and Adjust - Blade - If Equipped", in order to complete this Rework Procedure.

NOTE: Use the pressure tap on the medium pressure valve. Refer to Image1.
Image1

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-1500 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job



PARTS DISPOSITION

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

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