TUBE AS-TURBOCHARGER OIL 2979897 - Caterpillar

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 Caterpillar product analyst.
TERMINATION DATE
31May2019
PROBLEM
The existing UHT Fan Controller can fail on certain 553C/563C/573C-2470C/2570C/2670C Wheel Feller Bunchers and 586C/2864C Site Prep Tractors. If the existing fan controller fails, it can result in increased under hood temperatures.
AFFECTED PRODUCT
Model Identification Number
2470C W2M00300-00307
W4700100-00114
2570C F1B00200-00202, 204, 206-216
W5700100-00128
2670C B3E00151-00171, 1470
W6700100-00154
2864C SP400100-00114
553C PGR00250-00277
W5300100-00170
563C JCB00250-00324
W6300100-00320
573C RJT00250, 252-296
W7300100-00248
586C SL500101-00106
SP500100-00121
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
Refer to M0083179, Special Instruction, "Procedure to Bypass the Fan Reverser Controller on Certain Site Prep Tractors and Wheel Feller Bunchers", for the Rework Procedure to bypass the fan reversing controller.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-6000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 1.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.