SEAL-OIL 2S8929 - 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.
This Revised Service Letter replaces the 24May2018 Service Letter. Changes have been made to the Action Required to update the tightening specifications.
TERMINATION DATE
31May2020
PROBLEM
The coolant hose clamps can loosen on certain 374F and 390F Excavators.
AFFECTED PRODUCT
Model Identification Number
374F AP400231-00243
AT200148-00160
374F L DNM00201-00501, 10001-10018
374F OEM DP400101-00105, 10001-10002
390F HSM00281-00306
TYE00131-00223
390F L MGF00151-00359, 10001-10015
390F MH OEM B3700101-00105, 10001, 98198
390F OEM PT700101-00102
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
Tighten clamps (1) to a specified torque of 13.5 +/- 0.5 N.m. Refer to Image1.
Verify that the final width of Belleville washers (2) are less than 16mm. Refer to Image2.
Image1
Image2
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,
0-72 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.