0584152 JOHNSON TEMPERATURE SWITCH, Port

December 15, 2003
(Revised January 2004)
U-345
A-234
D-250
O-284
Priority PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW FABRICATIONS TO REDUCE HEATLEVELS WITHIN THE ENGINE ENCLOSURE ON CERTAIN 836G LANDFILL COMPACTOR
1067 PI30559
This Program must be administered assoon as possible. When reporting the repair, use "PI30559" 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 "PI30559" 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 December 15, 2003 Service Letter. Changes have been made to the AffectedProduct.
COMPLETION DATE
TERMINATION DATE
June 30, 2004 December 31, 2004PROBLEM
New fabrications need to be installed to reduceheat levels within the engine enclosure on certain 836G Landfill Compactor.Heat containment in the engine enclosure may cause failure of some components,such as seals, wiring, etc.AFFECTED PRODUCT
Model Identification Number
836G 7MZ1-UpBRL270-432PARTS NEEDED
4 - 9L7373 Bolt
4 - 5M2894 Washer ? Hard
1 - 9N0720 Elbow ? Rubber
1 - 2P2333 Sealer - 20 ml
4 - 9R2613 Boss
13 - 8T4137 Bolt
6 - 8T4195 Bolt
6 - 8T4897 Washer ? Hard2 - 8T4988 Clamp Assembly
6 - 6V7744 Locknut
19 - 7X7729 Washer
1 - 1411480 Clamp Assembly1 ? 1616960 Tube
3 - 1728027 Seal - Press I
18 - 1732390 Fastener Assembly
1 - 2266571 Stack Assembly
1 - 2391377 Shield Assembly
1 - 2397440 Sheet Assembly
1 - 2397441 Sheet Assembly
1 - 2397443 Sheet
1 - 2397444 Sheet
1 - 2397446 Strip Assembly
1 - 2422420 Screen
1 - 2422421 Sheet
1 ? 2456051 Seal
1 ? 2456052 Seal
1 ? 2456053 Seal1 ? 2466084 SleeveACTION 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% 16 0 0 0 0
This is a 16-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 - New Fabrications Need To Be InstalledTo Reduce Heat Levels Within The Engine EnclosureMODELS INVOLVED - 836G Landfill CompactorDear Caterpillar Product Owner:New fabrications need to be installed to reduceheat levels within the engine enclosure on certain 836G Landfill Compactor.Heat containment in the engine enclosure may cause failure of some components,such as seals, wiring, etc. New fabrications need to be installed on theproducts listed 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 December 15, 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 December 15, 2003 Service LetterRework Procedure
Illustration 1 shows a cut-a-way view of the finishedassembly that you will produce. This design diverts heat away from theEngine, and Engine-related Components:
Illustration 1
Remove and rework the Hood Panel to accept thenew fabrication. Enlarge the 270 mm diameter hole to 305 mm, to acceptthe new Stack. See Illustration 2.
Note: When working on the machine, alwaysremember to disconnect the battery power.
Illustration 2
2a. Remove the flanges as shown in Illustration3.