Buy 134151-6620 ZEXEL 9 443 611 257 BOSCH PLUNGER-AND-BARREL ASSY 9443611257 1341516620 1679599106

ACTION REQUIRED
Do not order the 601-8546 and 601-8547 Hoses. The new hoses have been direct shipped to the dealership prior to the release of this Service Letter program.
If you have not received the parts, the parts received are damaged, or if you have any questions you will need to work with your Dealer TC to submit the information or question through CPI Feedback within the Service Information Management System (SIMSi).
Give the information to your Dealer Technical Communicator (TC) along with this service letter program number and CPI number 472555.
Request the Dealer TC to submit the CPI Feedback.
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 1.5-hour job
Note: $60 US Dollars are allowed for 10 Liters of coolant.
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 DEF INJECTOR COOLANT HOSES
MODELS INVOLVED - CERTAIN 313 AND 315 NGH EXCAVATORS
Dear Cat Product Owner:
The existing coolant hoses need to be replaced on the products listed below. The existing hoses can leak water and/or burst. 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 01Jul2020 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 01Jul2020 Service Letter
Rework Procedure
1. Confirm the machine/engine components/coolant are cooled down for safety.
2. Drain coolant (approximately 10L) to avoid spilling out from hoses during replacement.
3. Removed the strap on hose. Refer to Image1.3.1.
Image1.3.1
4. Loosen the clamps and remove the hoses (both inlet and outlet). Refer to Image1.4.1.
Image1.4.1
5. Install new parts. Refer to Images1.5.1 and 1.5.2.
Image1.5.1
Image1.5.2
6. Fill the coolant and check for leakage from the hoses.