155032-9100 ZEXEL 9 421 612 443 BOSCH COILED SPRING 9421612443 1550329100 8941487510

When reporting the repair, use "PS61391" as the Part Number and "7777" as the Group Number. Use "96" as Warranty Claim Description Code and use "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.
TERMINATION DATE
30Jun2020
PROBLEM
The 398-1498 and 463-1678 Fuel Injection Pumps may fail on certain 320D 2 Excavators, equipped with C7.1M Engine. The fuel injection pump failure results in the engine not starting, hard to start, low power, or speed instability.
AFFECTED PRODUCT
Model Identification Number
320D 2 LCA01054-01108
TDZ00816-00829, 888-907, 911-923
PARTS NEEDED
Qty
Part Number Description
3 2323149 WASHER-SEALING
1 4631678 PUMP AS-F INJ
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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
Refer REHS3767, Special Instruction, "Inspection of Fuel Injection Pumps on 3054C, C3.3, C4.4 (Mech), and C7.1 (Mech) Engines", to determine if the failure of fuel pump is caused by dirty fuel or customer's maintenance practices, and record facts as specified. Apply this Service Letter program only if the inspection reveals FIP failure that is not attributable to customer's maintenance or use of contaminated / bad fuel.
Remove the existing fuel injection pump, and install a new 463-1678 Fuel Injection Pump Assembly.
Refer to UENR0674, Disassembly and Assembly, C7.1 (Mech) Engines, "Fuel Injection Pump Remove - With Boost Control", and install procedure, in order to complete this Rework Procedure.
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,
0-24 mo 100.0% 0.0% 0.0% 100.0% 0.0% 0.0%
This is a 8.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.