THE SPHERICAL THRUST WASHER IN THE DIFFERENTIALS MAY FAIL ON CERTAIN 966F WHEEL LOADERS - COSA LETTER NO. 3 - PI3555 - MAI LED COSA
NOTE:   The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your AVSpare product analyst.
June 28, 1991 COSA LETTER NO. 3 THE SPHERICAL THRUST WASHER IN THE DIFFERENTIALS MAY FAIL ON CERTAIN 966F WHEEL LOADERS 3258 PI3555 COMPLETION DATE
November 30, 1991 November 30, 1991
The 4V5397 Thrust Washers may fail on certain 966F due to possible incorrect radius of the spherical washers in the standard differentials.
Model Identification Number 966F 3XJ 1 to 825 (exception 3XJ189, 815-817 and all units with the 4E3941 Limited Slip Differential) 6FJ 1 to 3.
The following parts will be needed : 8 - 4V5397 Washer-Thrust. NOTE : Do not use stock washers shipped from Grimbergen or Leicester before April 6, 1991. If in doubt order new 4V5397 Washers. Washers from other sources are not affected. HEBE1391 - 2 -
Following the appropriate Service Manual Modules, remove front and rear axles and disassemble the axles to access the differentials. Disassemble the differentials and replace the 4V5397 Washers. Refer to Service Manual Modules SENR 4771 and SENR 4768 for the correct procedure. CAUTION WHEN REINSTALLING THE BRAKE PISTONS NOT TO DAMAGE THE SEALS. If any washers are found broken inspect related parts for damage and replace as necessary. Additional parts should be claimed in accordance with the warranty procedures.
Service Claim Allowances
AVSpare DLR suggested Customer suggested Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs (D/N) (Sell) (C/L) (Sell) 100 % 34 0 0 0 0 NOTE: This is a 34 hour job.
Save 4V5397 Washers until further notice. PARTS STOCK Remove any 4V5397 washers in the parts department that were shipped from Grimbergen or Leicester before April 6, 1991. Submit a separate claim making reference to this service letter. Washers from other sources are not affected. MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.