PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPAIRING IF NECESSARY THE DRAWBAR TUBES WELD ON CERTAIN 140M AND 160M MOTOR GRADERS Caterpillar


PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPAIRING IF NECESSARY THE DRAWBAR TUBES WELD ON CERTAIN 140M AND 160M MOTOR GRADERS

Usage:

REBE3257-00

01Feb2008


U-55
A-46
D-44
O-50

 
Priority
  
  

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPAIRING IF NECESSARY THE DRAWBAR TUBES WELD ON CERTAIN 140M AND 160M MOTOR GRADERS

6153
PI31441
NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31441" 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 "PI31441" 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.


COMPLETION DATE

TERMINATION DATE

31Aug2008 28Feb2009

PROBLEM

The 253-4651 Drawbar and Yoke As needs to be inspected on certain 140M and 160M Motor Graders. The existing drawbar and yoke as can have missing welds at the drawbar tube ends.

AFFECTED PRODUCT

Model Identification Number
140M  B9D00130, 132-135, 137-306, 308-309, 311-315, 317-320, 322-327, 329-356, 358-359, 361, 363-376, 378-386, 388-391, 393-400, 404-413, 415-427, 429-431, 434-436, 439-448, 450-463, 465-477, 479-480, 483-488, 491-499, 501-515, 517-523, 526-549, 552-553, 555, 558, 560, 564-565, 568, 571, 574-577, 579, 582, 584-586, 588-589, 592, 611
160M  B9E00118, 122, 124, 127-128, 130-131, 133-141, 144, 146-148

PARTS NEEDED

No parts needed for this program

ACTION REQUIRED

Refer to 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%
100%
0%
0%
0%
0%

 NOTE: This is a 1.0-hour job
If weld repair was required 1 additional hour is allowanced.


PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
 
 
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
 
 
 
COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPAIRING IF NECESSARY THE DRAWBAR TUBES WELD FILETS ON CERTAIN 140M AND 160M MOTOR GRADERS

MODELS INVOLVED - 140M and 160M Motor Graders

Dear Caterpillar Product Owner:


The 253-4651 Drawbar And Yoke As needs to be inspected on certain 140M and 160M Motor Graders. The existing drawbar and yoke as can have missing welds at the drawbar tube ends. 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 01Feb2008 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 01Feb2008 Service Letter


Rework Procedure


 
1-Inspect the weld fillets at the front and rear drawbar tube ends. Refer to the image 1.1.1.
Image1.1.1
 
2-If missing welds were identified, as shown in the images 1.2.1 and 1.2.2, welding repair is required according to Step 3.
Image1.2.1
Image1.2.2
 
3-Refer to the Special Instruction REHS1841 General Welding Procedure, for proper welding procedure. Use a welding electrode that meets AWS 7018 specifications for this welding repair. Remove the paint on the areas to be welded. Apply 12 mm(0.5 inch) fillet weld(W1) on the four corners at the front drawbar tubes. Apply 10 mm(0.4 inch) fillet weld(W2) on the two corners at the left and right rear drawbar tubes. Paint the areas affected during this welding repair. Refer to the image 1.3.1 and 1.3.2.
Image1.3.1
Image1.3.2
 
 

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