PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE LOWER FRAME TOP RING ON CERTAIN M325D AND M325D L MATERIAL HANDLERS Caterpillar


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PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE LOWER FRAME TOP RING ON CERTAIN M325D AND M325D L MATERIAL HANDLERS [REBE2900]
UNDERCARRIAGE
UNDERCARRIAGE GP
PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE LOWER FRAME TOP RING ON CERTAIN M325D AND M325D L MATERIAL HANDLERS
REBE2900-00

24Oct2007


U-535
O-468

 
Priority
  
  

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE LOWER FRAME TOP RING ON CERTAIN M325D AND M325D L MATERIAL HANDLERS

4150
PI31381
NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31381" 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 "PI31381" 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 AVSpare product analyst.


COMPLETION DATE

TERMINATION DATE

30Apr2008 31Oct2008

PROBLEM

Cracks can appear in the 238-0075 Top Ring of the 238-0073 Frame on certain M325D Material Handlers and in the 234-2237 Top Ring of the 234-2240 Frame on certain M325D L Material Handlers. Cracks can initiate at the toe of the weld between the 234-2233 Ring for the M325D, or the 234-2234 Ring for the M325D L, and 238-0063 Plate.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
M325D MH  EDF00221-00226, 231, 234-235, 240
*******Group  2*******
M325D L MH KAY00232-00233, 237

KGG00211-00212

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
42 1123929 BOLT
*******Group 2*******
42 1123929 BOLT

ACTION REQUIRED

Grind weld the toe to reduce the stress raiser. Refer to the following Rework Procedure.

OWNER NOTIFIAVSION

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

SERVICE CLAIM ALLOWANCES

AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
100%
100%
0%
0%
0%
0%
 NOTE: This is a 9.0-hour job for Group 1

AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
100%
100%
0%
0%
0%
0%

 NOTE: This is a 9.0-hour job for Group 2


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 NOTIFIAVSION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE LOWER FRAME TOP RING

MODELS INVOLVED - M325D and M325D L Material Handlers

Dear AVSpare Product Owner:

Cracks can appear in the top ring of the frame on the products listed below. The weld toe needs to be reworked. You will not be charged for the service performed.

Contact your local AVSpare 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 24Oct2007 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.



AVSpare Inc.

Identification #(s)



Attached to 24Oct2007 Service Letter


Rework Procedure


 
Position the machine on flat ground.
Remove the lower frame steps and tool boxes as needed for convenient access to swing ring. A lifting device could be required for handling steps/boxes.
 
Remove 7 112-3929 Bolts (image 1.2.1) and grind weld toe with small stone grinding cone (reference dimensions shown on image 1.2.2) to get smooth connecting radius (image 1.2.2). If "black spots" appear in the weld, grind until they disappear (image 1.2.3). Image 1.2.4 shows a good rework.
Image1.2.1
Image1.2.2
Image1.2.3
Image1.2.4
 
Use new 112-3929 Bolts and tighten to a torque of 900 +/- 100 Nm.
 
Repeat operations 2 and 3 all around ring (6 times).
 
Inspect ring and perform dye penetrant test to identify possible cracks.
If a crack is found, please contact product support service engineer Christian M?hle (email: Muhle_Christian@cat.com, phone: +32 71 25 2559) for further instructions.
Repaint grinded area and re-install steps and tool boxes on lower frame.
 
 

Information System:

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PRODUCT SUPPORT PROGRAM FOR REPLACING THE HOSE ASSEMBLIES ON THE HOE ON CERTAIN 416E, 420E, AND 430E BACKHOE LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ROPS FILM ON CERTAIN 414E INDUSTRIAL LOADERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING DRIVE AND SWING MOTOR GROUP ON CERTAIN 320C AND 320D EXCAVATORS
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PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAILED TRACK ADJUSTMENT GROUP ON CERTAIN 385B, 385BL, 5090B, 385C, 385CL, 385CL MH AND 385C FS EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE SWING DRIVE GROUP ON CERTAIN 315CL EXCAVATORS