HEAD 1229842 - Caterpillar

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%
This is a 1.0-hour job
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.
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR ADDING VIBRATION DAMPERS TO AIR SHUT OFFS
MODELS INVOLVED - Certain 3508B, 3508C, 3512B, 3512C, 3516B, and 3516B HD Engines
Dear Caterpillar Product Owner:
Vibration dampers need to be installed 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.
It is VERY IMPORTANT that your Air Shut Offs (ASOs) be tested every 500 operating hours and the vibration dampers installed on the ASOs need to be inspected/serviced every 6000 operating hours. Please contact your Caterpillar Dealer for a copy of Caterpillar Special Instruction REHS3005, which details this procedure. A COPY OF THIS DOCUMENT SHOULD BE PLACED IN THE APPLICABLE Operating and Maintenance Manuals.
Please refer the dealer to their Service Letter dated 09Aug2007 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 09Aug2007 Service Letter
Rework Procedure
1. Remove existing plug from bottom of each Air Shut Off (ASO) housing, Image 1.1.1
Image1.1.1
2. Install new Vibration Damper P/N 289-8498 into the hole as shown in image 1.2.1, ensuring that the threads are coated with Thread lock P/N 9S-3263 or 4C-4030 and tighten the damper to a torque of 16 (+/- 2)Nm.
Image1.2.1
3. Install information labels over existing labels on the electrically actuated ASO solenoids as shown in image 1.3.1 or on hydraulically actuated ASO valve covers as shown in image 1.3.2.
Labels in languages other than English are available under the following Part Numbers:
-Arabic 297-2613
-French 297-2614
-German 297-2615
-Spanish 297-2616
-Portuguese 297-2617
-Russian 297-2618
Image1.3.1
Image1.3.2