The Air Inlet Pipes Need To Be Inspected And Possibly Cleaned On Certain 3512B, 3516, And 3516B Generator Set Engines Caterpillar

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI3273" 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 "PI3273" 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

A potential for debris lodged in the air inlet pipes exists. The debris could possibly come loose and cause damage to the turbocharger compressor fan blades.

Affected Product
Model & Identification Number

The inspection/cleaning process is applicable to the following part numbers of tube assemblies: 113-1327 (3516B/3516TA)m 113-1576 (3512B)m abd 113-1328 (3512B/3516TA/3516B). Each of these parts have two tubes per applicable engine.

3516 (8TW135, 8TW139-158)

3512B (6GW180, 6GW184-185, 6GW187-188, 6GW191-209)

3516B (8NW148-149, 8NW151-169)

Parts Needed

Parts are only needed if there is a compressor wheel failure due to debris from the air inlet pipes.

Action Required

Remove the four inlet tube assemblies per engine and inspect for debris potentially lodged in the paint on the inside of the tubes. Clean tubes to remove all potential debris. Before reinstalling tubes, be sure to inspect the turbocharger compressor fan blades to insure that no damage has already occurred to the unit. Inspect all turbos. If damage is found, replace the Turbo Cartridge As. as necessary. Photographs of the damaged components must accompany the claim. Reinstall the tube assemblies, secure in place and return unit to service.

If damage is found, replace the Turbo Cartridge As. as follows:

3512B (6GW) uses either 148-8169 or 146-7852 Cartrige As.

3516TA (8TW) uses a 128-2988 Cartrige As.

3516B (8NW) uses either 148-8171 or 148-8173 Cartrige As.

Owner Notification

An example of an Owner Notification is attached.

Service Claim Allowances

NOTE: This is a 3-hour job.

NOTE: To claim for parts and labor for replacing a damaged Cartrige As., photographs of the damaged components must accompany the claim.

NOTE: Additional labor will be allowed for replacing each damaged Cartrige As. The additional labor is as follows:

On 3512B (6GW), 0.8 per cartrige as. replaced

On 3516TA (8TW), 1.0 per cartrige as. replaced

On 3516B (8NW), 1.0 hrs per cartrige as. replaced

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)

Example Of Owner Notification