150584-3900 ZEXEL 9 431 612 520 BOSCH STOP PIN 9431612520 1505843900 8973551510

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
28Feb2017
PROBLEM
Under some circumstances, certain 320D 2 Excavators can be hard to start when at normal operating temperature. When this problem occurs the machine displays the symptom of hard to start only when attempting to restart the engine 5 to 30 minutes after engine shut down.
Cold starting and general performance are not affected.
AFFECTED PRODUCT
Model Identification Number
320D 2L ZCS00199-00225, 227-228, 235-256, 258-262, 264-271, 273-276, 292, 294-297, 299-300, 302, 304-313, 452-459, 462-483, 485-496, 558-571, 573-591, 660-698, 700-706, 745-748, 750, 752-753, 755-761, 763-765, 769-770, 772, 774-777
PARTS NEEDED
Qty
Part Number Description
6 4545091 INJECTOR AS-FUEL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% 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
Before completing this rework, review the safety actions in the Operation and Maintenance Manual for the Excavator.
Remove the 398-1507 Injectors.
For detailed instructions on removing the injectors refer to Disassembly and Assembly, UENR0674, "Fuel Injection Lines - Remove" and "Fuel Injector - Remove".
Install the new 454-5091 Injectors.
For detailed instructions on installing the injectors refer to Disassembly and Assembly, UENR0674, "Fuel Injector - Install" and "Fuel Injection Lines - Install".
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-5000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.