159645-3221 ZEXEL 9 443 612 497 BOSCH PRESTROKE ACTUATOR 9443612497 1596453221 1156121191

ACTION REQUIRED
Before completing this Rework Procedure, please review the safety actions in the Operation and Maintenance Manual for your machine.
Choose one of the following actions:
Before Failure: If electronic unit fuel injectors have not failed, reflash the engine ECM with the new software. The new software offers enhanced protection to the fuel system if the fuel/water separator is not drained of water when the "Water Separator Full Indicator" is displayed.
After Failure: If electronic unit fuel injectors have failed, replace the injectors and reflash the engine ECM with the new software.
For detailed instructions on removing and installing the injectors, refer to UENR0633, Disassembly and Assembly, "Electronic Unit Injector - Remove" and "Electronic Unit Injector - Install".
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*******
0-3000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 1.0-hour job for Group 1
1 hour to update the software. An additional 3 hours is allowed to replace the injectors, after failure.
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 2*******
0-3000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 1.0-hour job for Group 2
1 hour to update the software. An additional 3 hours is allowed to replace the injectors, after failure.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.