TUBE AS 2811534 - Caterpillar

This is a 30.0-hour job
Note: A $300 US Dollars miscellaneous cost allowance is allowed for fabrication of the baffle plate assembly by the dealer.
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.
EXAMPLE COPY OF OWNER NOTIFICATION
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE SINGLE FUNCTION BOOM
MODELS INVOLVED - CERTAIN 525D WHEEL SKIDDERS, EQUIPPED WITH 367-1846 BOOM AND ARCH ARRANGEMENT
Dear Cat Product Owner:
The single function boom assembly needs to be reworked on the products listed below. The existing single function boom assembly can be deformed or crack. You will not be charged for the service performed.
Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.
If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated 08Feb2017 when scheduling this service.
We regret the inconvenience this may cause you, and urge you to have this service performed as soon as possible to prevent unscheduled downtime.
Caterpillar Inc.
Identification #(s)
Attached to 08Feb2017 Service Letter
Rework Procedure
Note: Ensure that all safety information, warnings, and instructions are read and understood before any operation or any maintenance procedures are performed. Refer to the Operation and Maintenance Manual "Safety Section".
Refer to the Service Manual if/as necessary.
1. Inspect the boom for cracks and warped plates. If any cracks have propagated into parent plates or warped the sides plates, submit a DSN-Product Health service request for additional rework information. Refer to Image1.1.1.
Note: Inspect the plates to ensure they are straight in areas where the arrows are pointing.
Image1.1.1
2. Inspect the fairlead assembly mount area of the boom for deformation.
- If the plate identified in Image1.2.1 is not deformed or can be readily straightened, weld in 517-4635 Plates according to Image1.2.2.
- If the plate is damage beyond the ability to straighten, refer to M0075776, Special Instruction, "Rotator Opening Rework Procedure for the Single Function 425-5206 Boom Assembly on D-Series Wheel Skidders", for the rework instructions.
This instruction is shown for dual function arch but the repair procedure applies to the single function boom.
Image1.2.1
Image1.2.2
3. Prepare the boom for rework at the rotator end by removing the boom from the machine.
4. Remove 675mm of material from the 385-5025 Top Plate. Refer to Image1.3.1.
Image1.3.1
5. Create a new baffle plate using the dimensions in Image1.4.1. Then add round stock to the baffle plate according to Images1.4.2 and 1.4.3.
Image1.4.1
Image1.4.2
Image1.4.3
6. Locate the baffle plate assembly in the boom according to the dimensions in Image1.5.1.
7. Weld the baffle plate according to the weld information in Image1.5.2.
8. Weld the new 499-8524 Top Plate to the side plates with a 8mm filet weld / 1.5mm min penetration and to the end plate with a 6mm filet weld / 1.5mm min penetration.
9. Weld the new top plate to the existing top plate and baffle plate assembly by first applying 10mm