155020-3320 ZEXEL 9 421 610 754 BOSCH DIAPHRAGM 9421610754 1550203320 5157280040

ACTION REQUIRED
Perform a Fuel System Verification Test within Caterpillar Electronic Technician. If this test does not clear the code, then replace the failed injectors which are triggering -7 codes.
Refer to KENR6052 for the correct fuel injector removal and installation procedures.
Each injector that is removed for failure must be tagged with the engine software part number that was installed on the engine ECM.
Retain all failed fuel injectors from a single engine repair. Refer to the Parts Disposition.
For the duration of this program, your Caterpillar Global Mining Technical Service Representative may request documentation of the fuel ISO particle count from customers bulk tanks and mobile fueling equipment.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 1*******
0-8000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job for Group 1
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
2.0 hours are allowed per each injector that is replaced.
Multiple injectors, located in different engine cylinders may be replaced during a single repair.
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 2*******
0-8000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job for Group 2
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
2.0 hours are allowed per each injector that is replaced.
Multiple injectors, located in different engine cylinders may be replaced during a single repair.
PARTS DISPOSITION
Hold all failed fuel injectors that are removed for a Parts Return Request (PRR). A PRR will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program number on the packing slip and include the closed work order paperwork.