20550027 Volvo.Penta Housing

January 2, 2003
(Revised October 2003)
U-2
A-1
O-1
Priority PRODUCT IMPROVEMENT PROGRAM FOR REWORKINGTHE AIR INTAKE HOSE NEEDS TO PREVENT HIGH ENGINE OIL CONSUMPTION OR TURBOCHARGERFAILURE ON CERTAIN 365B L EXCAVATORS
1058 PI30314
This Program must be administered assoon as possible. When reporting the repair, use "PI30314" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30314" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe January 2, 2003 (Revised September 2003) Service Letter. Changes havebeen made to the Affected Product.
COMPLETION DATE
TERMINATION DATE
July 31, 2004 September 31, 2004PROBLEM
The air intake hose needs to be reworked to preventhigh engine oil consumption or turbocharger failure on certain 365B L Excavators.The air intake 1626167 Hose Assembly may interfere with the 1588232 Back-PressureCheck Valve and cause the hose to fail, resulting in engine high oil consumptionor turbocharger failure. The 1792102 Pipe Assembly needs to be replacedby a new 2250733 Pipe Assembly to eliminate the interference.AFFECTED PRODUCT
Model Identification Number
365B L DER101-129
CTY1-Up
9PZ1-522
9TZ1-540
365B II JMB1-306
CIPI partialmachine 05A12755, 12830, 13032, 13036, 13078,13178, 13186, 13187, 13215, 13216PARTS NEEDED
1 - 2187997 Angle
1 - 2250733 Pipe AssemblyACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 2 0 0 0 0
This is a 2-hour job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1-Owner Notification)
(2-Rework Procedure)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - The Air Intake Hose Needs To BeReworked To Prevent High Engine Oil Consumption or Turbocharger FailureMODELS INVOLVED - 365B L ExcavatorsDear Caterpillar Product Owner:The air intake hose needs to be reworked toprevent high engine oil consumption or turbocharger failure on certain365B L Excavators. The air intake existing hose assembly may interferewith the backpressure check valve and cause the hose to fail. This mayresult in engine high oil consumption or turbocharger failure. The existingpipe assembly needs to be replaced with a new pipe assembly to eliminatethe interference. New pipe assemblies need to be installed on the productslisted below. You will not be charged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated January 2, 2003 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed as soon as possible toprevent unscheduled downtime.Caterpillar Inc.
Identification #(s)Attached to January 2, 2003 Service LetterRework Procedure
Remove the 1385351 Cover Assembly (at top of themain control valve) to access the air intake pipes and hoses.
Remove the 1385521 Sheet Assembly. Reference Illustration1.
Illustration 1
Unfasten the two clamps at ends of the 1792102Pipe Assembly. Remove the 1477143 U-Bolts and 1385448 Angle, which securethe 1792102 Pipe Assembly. Remove the 1792102 Pipe Assembly. ReferenceIllustration 2.
Illustration 2 - Removal of 1792102 Pipe Assembly
Remove the 1385532 and 1385529 Sheets. See Illustration3.
Illustration 3 - Removal and modification ofsheet assemblies