09317-54880 WASHER Denso Cross

21Dec2017
(Revised 31May2018)
U-734
Before/After
PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW SOFTWARE AND POSSIBLY REPLACING THE INJECTOR NOZZLE ON CERTAIN RETROFIT SELECTIVE CATALYTIC REDUCTION SYSTEMS
1920 108D 7620 PS45741
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.
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 "PS45741" as the Part Numberand "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.
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 21Dec2017 Service Letter. Changes have been made to the Problem, Affected Product, Parts Needed, Action Required, and Service Claim Allowances.
TERMINATION DATE
31Dec2018
PROBLEM
Certain Retrofit Selective Catalytic Reduction Systems equipped with a 485-2864 dosing cabinet logs a DEF pressure code causing the DEF system to shut down.
4331-11 Commissioning code will go active if the ASFT and Commissioning tests are not successfully completed prior to flashing the new software.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
AFTERTREAT-SCR EH700001-00003
EH800001-00068
EH900001-00157
*******Group 2*******
AFTERTREAT-SCR EH600047-00053
PARTS NEEDED
Qty
Part Number Description
*******Group 1*******
1 3332400 GASKET
1 3520865 NOZZLE GP-DEF
1 5496259 SFWR GP-A1015
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 15% 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.
*******Group 2*******
1 5494181 SFWR GP-A1015
In