BEARING CUP 2U1609 - Caterpillar

ACTION REQUIRED
The accumulator base, cover, fasteners, membrane, and seal must be replaced with new parts. Refer to the attached Rework Procedure.
OWNER NOTIFICATION
Owners in the following countries will receive the attached Owner Notification:
US
Canada
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
100% 100% 0% 0% 0% 0%
This is a 4.0-hour job
If there has been a previous repair, part age/hours will apply.
Retain a copy of the previous repair invoice in the dealer's
records for audit purposes, and specify repair date and machine
hours in the "Additional Comments" section of the warranty claim.
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 REPLACING THE ACCUMULATOR COVER, BASE, AND FASTENERS
MODELS INVOLVED - CERTAIN H75ES HYDRAULIC HAMMERS
Dear Cat Product Owner:
The accumulator needs to be replaced on the products listed below. The existing accumulator can leak. 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 15Feb2017 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 15Feb2017 Service Letter
Rework Procedure
Start by removing the power cell from the hammer housing. Refer to the service manual for more information.
Disassembly:
Step 1: Discharge high pressure accumulator. Keep 9S-8005 Plug and 355-3779 Plug.
Step 2: Remove 4 6V-8201 Bolts and 9X-8399 Washers.
Step 3: Remove 369-1024 Cover and 368-7076 Membrane.
Step 4: Remove 488-1108 Base using appropriate tooling.
Assembly:
Step 1: Lubricate and install 394-3905 Seal onto 515-2846 Base.
Step 2: Install 515-2846 Base into 382-2743 Valve Body.
Step 3: Lubricate and install 368-7076 Membrane onto 515-2846 Base.
Step 4: Install 515-2847 Cover using 6V-5686 Bolts and 198-4768 Hard Washers. Tighten 6V-5686 Bolts to 240 +/- 40 Nm.
Step 5: Replace the 3K-0360 Seal on the 9S-8005 Plug.
Step 6: Replace the 3J-7354 Seal on the 355-3779 Plug.
Step 7: Install 322-6274 Decal onto 515-2847 Cover.
Step 8: Recharge high pressure accumulator to specifications using appropriate tooling.
End By:
Reinstall power cell into housing.