A New Damper Assembly, Adaptor Ring And Front Idler Gear Bearing Need To Be Installed On Certain G3516 Engines 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 must be administered as soon as possible. When reporting the repair, use "PI3768" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3768" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Completion Date

Termination Date

Problem

The front right-hand idler gear bearing may fail on certain G3516 Engines.

Affected Product
Model & Identification Number

G3516 (3RC227-228, 3RC235, 3RC241, 3RC244-2453RC247-249, 3RC252, 3RC254, 3RC256, 3RC258-2593RC584, 3RC633, 3RC667, 3RC668, 3RC677, 3RC698, 3RC703, 3RC705-706, 3RC711, 3RC723, 3RC796, 3RC802, 3RC808, 3RC855, 3RC860, 3RC871, 3RC874, 3RC900, 3RC903, 3RC907, 3RC909, 3RC916, 3RC924-925, 3RC995, 3RC1089-1090 4EK200 , 4EK201, 4EK286, 4EK301, 4EK340, 4EK365)

Parts Needed

Dealers will need to contact Gary Keffeler at phone number (317) 448-5968 to order parts for this Program.

Action Required

See the attached procedure.

Owner Notification

U.S. and Canadian owners will receive the attached Owner Notification.

Service Claim Allowances

NOTE: To compensate for lost revenue on the parts for this Program, dealers may claim $800.00 USD for the parts on this rework.

NOTE: This is an 8-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach.

(1-Owner Notification)

(2-Rework Procedure)

Copy Of Owner Notification For U.S. And Canadian Owners

Rework Procedure

NOTE: Refer to the Illustration below for parts location for this rework.

1. Remove the 7C5265 Damper and set it aside.

2. Remove the 7W3409 Adaptor and discard.

3. Remove the 2W7321 Idler Gear Assembly in the 8N5620 Front Gear Group and replace the 8N5301 Bearing.

4. Install new 1004325 Damper Group and 1N3428 Adaptor using 9F8122 Bolts and reuse 4P8250 Hard Washers from original damper group.

5. Tighten the bolts per specifications in Service Manual SENR6411 page 48.

6. Install 4P0264 Adapter on the front face of the 1004325 Damper using the 18-8S9191 Bolts and 5M2894 Washers.

7. Install the original 7C5265 Damper to the adapter with original bolts and washers.