Product Support Program For Replacing The Woodward 8290 Controller Used In Certain 3306 And 3406 Generator Sets With 1724 Governors Caterpillar

NOTE: 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.

NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4198" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Termination Date

Problem

Some 3306 and 3406 Engine Generator Sets with 1724 governors need to have the Woodward 8290 Controller changed to provide a start fuel limit feature.

Affected Product
Model & Identification Number

3306B (9DS320, 9DS336, 9DS339, 9DS341, 9DS380, 9DS418, 9DS421, 9DS422, 9DS439, 9DS443, 9DS449 , 9DS477, 9DS484, 9DS499, 9DS503, 9DS513, 9DS517, 9DS518, 9DS520, 9DS530, 9DS532-534 , 9DS549, 9DS550, 9DS560, 9DS572, 9DS574, 9DS593, 9DS623, 9DS633, 9DS638 , 9DS649, 9DS662, 9DS663, 9DS675, 9DS695, 9DS734, 9DS739, 9DS754, 9DS760, 9DS761 , 9DS763, 9DS768)

3406C (8FS504, 8FS518, 8FS528, 8FS534, 8FS541-543, 8FS550, 8FS552, 8FS576, 8FS579, 8FS583 , 8FS584, 8FS592, 8FS593, 8FS605, 8FS620-622, 8FS624, 8FS627, 8FS628, 8FS642 , 8FS663, 8FS677, 8FS700, 8FS717, 8FS719, 8FS774, 8FS795, 8FS801, 8FS814, 8FS820 , 8FS842, 8FS851, 8FS852, 8FS858, 8FS862, 8FS868, 8FS870)

Parts Needed

1 - 1315455 Control Assembly

Action Required

Parts Stock

Remove all Woodward 8290-189 Controllers from parts stock.

Affected Product

In the generator mounted control panel, make note of the existing wiring on each terminal of the existing Woodward 8290-189 Controller. Then disconnect the wiring and remove the controller.

Replace the controller with a 1315455 Control Assembly (Woodward 8290-184), and re-connect the wiring.

Perform the initial (static) checks and the dynamic (running) checks per the instructions in SENR6430-01 Service Manual for 524 & 1724 Governor Systems.

Service Claim Allowances

Parts Stock

Submit one claim for all Woodward 8290-189 Controllers removed from parts stock.

Affected Product

NOTE: This is a 1-hour job.

Parts Disposition

Return the old 8290-189 Controller and those found in Parts Stock to a local F.G. Wilson dealer or to:

If shipping is required, prepay the expenses and include them in the claim.