PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TURBO OIL SUPPLY LINES ON CERTAIN C15 ON-HIGHWAY TRUCK ENGINES Caterpillar


PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TURBO OIL SUPPLY LINES ON CERTAIN C15 ON-HIGHWAY TRUCK ENGINES

Usage:

SEBE8874-01

August 10, 2004
(Revised January 2005)
U-236
TT-19


 
Priority

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE TURBO OIL SUPPLY LINES ON CERTAIN C15 ON-HIGHWAY TRUCK ENGINES

1052
PI30698
NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30698" as the Part number and "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 "PI30698" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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 Revised Service Letter replaces the August 10, 2004 Service Letter. Changes have been made to the parts disposition.

COMPLETION DATE

TERMINATION DATE

February 28, 2005 August 31, 2005

PROBLEM

The turbo oil supply lines need to be inspected on certain C15 On-Highway Truck Engines. The turbo oil supply lines on certain C15 Engines may leak. The turbo supply lines need to be inspected and, if needed, repairs made.

AFFECTED PRODUCT

Model Identification Number
C15
BXS1-16666

PARTS NEEDED

Qty

Part Number Description
2 1978418 Gasket

If hose replacement is necessary:
 

Old part number 
New parts needed

Hose Elbow

Low/Mid/High Low Pressure/High Pressure Turbo
2367208
2479703
2476987
Low
HP
2367209
2479704
2476985
Low
LP
2367210
2479705
2476986
Mid
HP
2367211
2479706
2476985
Mid
LP
2367212
2479707
2476986
High
HP
2367213
2479708
2476985
High
LP
NOTE: All 6 hoses are not needed for any one engine. Only order the hose and elbow combination required for the engine being repaired.

ACTION REQUIRED

See the attached Rework Procedure.

OWNER NOTIFICATION

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

SERVICE CLAIM ALLOWANCES

Caterpillar
Dealer Suggested
Customer Suggested
Parts
Labor Hrs.
Parts
Labor Hrs.
Parts
Labor Hrs.
100%
2.5
0
0
0
0
NOTE: This is a 2.5-hour job. An additional 0.4 hours may be claimed for each line replaced
SMCS  Description SC MC CV CO
7751-036-SLI Field Update Program 2.5 2.5 2.5
2.5
7755-010-LI * Turbo Line R&I 0.4 0.4 0.4
0.4

* Use this code for each supply line repaired.

PARTS DISPOSITION

***** U.S. and Canadian Dealers *****
NOTE: Make sure the outside of the shipping container is marked PI30698. Return all supply hoses that are replaced and a copy of the claim to: Caterpillar Inc.

Attn: PI30698
Service Claims Room
8201 N. University
Peoria, IL 61615

***** All Other Dealers *****

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

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - The Turbo Oil Supply Lines Need To Be Inspected

MODELS INVOLVED - C15 Engines

Dear Caterpillar Product Owner:

The turbo oil supply lines need to be inspected on certain C15 On-Highway Truck Engines. The turbo oil supply lines on certain C15 Engines may leak. The turbo supply lines need to be inspected and, if needed, repairs made on the products listed below. You will not be charged for the service performed.

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated August 10, 2004 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to August 10, 2004 Service Letter

Rework Procedure

  1. Verify that the most current software is installed. If it is not, flash engine with the latest software.
  2. Run at 1600 RPM for 5 minutes.
  3. Shut-off the engine and allow it to cool.
  4. Perform a visual inspection of the turbo oil supply hose on the high-pressure turbo. Pay particular attention to the three areas on each hose identified in Illustration 1.
    1. If no oil leak is visible, continue with procedure.
    2. If oil leak is visible, replace the hose and elbow fitting and return to step 1. Use table 1 to determine which hose to order.

    Illustration 1


  5. Unbolt turbo oil supply flange from the turbo.
  6. Pull on turbo oil supply line with 20 to 50 pounds to ensure proper connection at lower fitting.

  7. Note: While pulling on hose, brace yourself and pull straight out from lower fitting

    1. If hose is not connected, push hose until connection is achieved and repeat pull test.
    2. If hose is connected, continue with inspection procedure.
  8. Re-install the flange to turbo using a new 1978418 Gasket.
  9. Repeat inspection procedure for other turbo oil supply hose.
  10. Run engine at 1600 RPM for 5 minutes.
  11. Shut-off engine and allow engine to cool.
  12. Perform visual inspection of both turbo oil supply hoses.
  13. When the procedure is complete, stamp the letters "TS" to the right of the engine serial number plate on the cylinder block to signify that this rework has been completed.

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