SHROUD AS 3461100 - 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
31Dec2018
PROBLEM
Field reports indicate failures of the air conditioner thermostat on Certain AD30, AD45B, and AD60 Underground Articulated Trucks. If the existing thermostat fails it may cause the evaporator to freeze or the air conditioner compressor will not disengage.
AFFECTED PRODUCT
Model Identification Number
AD30 DXR00550-00629
GXR00075, 750-813
AD45B CXM00540-00577
GXM00150-00169, 172-180
AD60 KNW00122-00161
NNW00125-00128
PARTS NEEDED
Qty
Part Number Description
1 3787602 THERMOSTAT
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 10% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Replace the failed thermostat with the new improved thermostat.
Refer to M0078754, Special Instruction, "Procedure to Install an Air Conditioner Thermostat on Certain Underground Articulated Trucks", to complete this Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-4000 hrs,
0-12 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 6.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.