HOSE AS 3066592 - Caterpillar

COMPLETION DATE
TERMINATION DATE
July 31, 2003 January 31, 2004PROBLEM
The lockup clutch valve needs to be replaced andthe power train software changed to prevent premature torque converterfailures and harsh shifts on certain 854 Wheel Dozers and 992G Wheel Loaders.The Rimpull Control System (RCS) selection switch must also be added atthe rear of the right hand console (854G only). The 5/8-inch 1832047/">(1832047 ModulatingValve) TC Lock Up Clutch Valve is no longer available and is replaced withthe ½ inch valve 2165342/">(2165342 Modulating Valve - TC Lock Up Clutch).When changing to the ½ inch valve, the power train software mustalso be changed. The software is incompatible with the 5/8-inch valve andcan cause premature torque converter failures and harsh shifts when LockUp is engaged. This requires the rework back to 1st productionof all 854 Wheel Dozers and 992G Wheel Loaders with Lock Up Clutches (referencenumber 1096886). If the new software is installed on an earlier machine,then the valve must be replaced or the result will be a torque converterfailure. Any 992G Wheel Loader with a standard torque converter can operatewith either software.AFFECTED PRODUCT
Model Identification Number
854G AMP1-326 1JW1-Up
992G ADZ130, 137-138, 140, 164, 166, 172, 180-181,201, 218, 222, 224, 231, 234, 244, 248-250, 310, 315, 317-320, 323, 336,344, 348-349, 360, 370, 378, 386, 394-395, 402, 408, 439, 458, 460, 4617HR35, 41, 54, 56, 69, 83, 89, 132, 134, 137, 150, 157, 180-183, 186-187,191, 193, 212, 221, 223, 235, 239, 248, 266, 271, 273-274, 293, 296, 306,314, 322, 326, 345-346, 350, 356, 360-364, 374
PARTS NEEDED
Group 1: 854G
1 - 6D7889 Seal - O-Ring
1 - 2P4339 Nut - Jam
1 - 2V0099 Knob
1 - 1236384 Switch Assembly
1 - 1794964 Wire Assembly - Jumper
1 - 2165342 Modulating Valve - TC Lock UpClutch
1 ? 2295703 SoftwareGroup 2: 992G1 ? 6D7889 Seal ? O-Ring1 - 1794964 Wire Assembly ? Jumper1 - 2165342 Modulating Valve - TC Lock Up Clutch1 ? 2208566 Software
ACTION REQUIRED
Replace the 1832047 (5/8 inch) Modulating Valve- TC Lock Up Clutch with the 2165342 (½ inch) Modulating Valve -TC Lock Up Clutch. The power train software must also be changed. The RimpullControl System (RCS) selection switch must also be added at the rear ofthe right hand console (854G only).
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)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - The Lockup Clutch Valve Needs ToBe Replaced And The Power Train Software Changed To Prevent Premature TorqueConverter Failures And Harsh ShiftsMODELS INVOLVED - 854 Wheel Dozers and 992GWheel LoadersDear Caterpillar Product Owner:The lockup clutch valve needs to be replacedand the power train software changed to prevent premature torque converterfailures and harsh shifts on certain 854 Wheel Dozers and 992G Wheel Loaders.The Rimpull Control System (RCS) selection switch must also be added atthe rear of the right hand console (854G only). New valve and softwareneeds to be installed on the