Information governor motor assy
BOSCH
9 421 622 956
9421622956
ZEXEL
158964-4221
1589644221
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Bosch num
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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
30Nov2019
PROBLEM
The existing fuel injection pump may fail on certain 320D 2 Excavators. If the existing fuel injection pump fails, it may cause continuous white smoke at low/high idle.
AFFECTED PRODUCT
Model Identification Number
320D 2 WBY00230, 249, 279, 285-286, 292-293, 298, 327, 358, 10003, 10070
YBK00117, 127, 154, 164, 166
ZBD00229, 250, 265, 286, 290, 311, 384, 390, 414, 455, 459, 465, 499, 518, 574, 633, 677-678, 680, 682-683, 691-692, 697-698, 731, 10347, 10357, 10370, 10413, 10418, 10460, 10525, 10583, 10603, 10641-10642, 10647, 10650, 10669, 10672, 10684, 10716-10717, 10741, 10776, 10815, 10828, 10853, 10856, 10880, 10885, 10915, 11003, 11094, 11102
320D 2L ZBM00152
PARTS NEEDED
Qty
Part Number Description
1 4493641 PUMP AS-F INJ
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 6% 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
Replace the existing fuel injection pump with a new 449-3641 Fuel Injection Pump.
Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove", and Disassembly and Assembly, "Fuel injection pump -Install" for the correct procedure.
Note: Ensure that the removed fuel injection pump is locked in the
correct position.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-4000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 3.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.