MOUNTING GP 3753800 - Caterpillar

ACTION REQUIRED
The dealer must obtain pre-approval from the Caterpillar ATS Product Support Representative for any "after failure" extended labor charges or additional service repair parts as identified in the NOTES below.
The instructions provided within this document are to be implemented by a properly trained Caterpillar EPG service technician only.
Improper test equipment can fail and present a high voltage shock hazard to its user. Make sure that the testing equipment is designed for and correctly operated for the potential voltage or current value to be measured.
Prior to performing this service letter, the service technician should perform the following precautions:
- Ensure that the Genset Start Key is in the "OFF" position and temporarily remove the key to prevent inadvertent starting of the machine.
- Disconnect the Negative Battery Cable from the battery.
NOTES:
A. Upon receipt of this service letter, all servicing Caterpillar dealerships working this service program are to contact the following Caterpillar ATS Product Support representative in order to receive appropriate instructions regarding:
- Delivery coordination of the replacement CPS Box.
- Identify any additional repair parts that are required for an "after failure" incident.
Caterpillar ATS Product Support Representative
Chris Harper
Phone: (886) 883-3879 or (770) 442-9442 x124
FAX: (770) 664-6302
Email: helpdesk@isopowerlynx.com
B. If the repair being performed is an "after failure" event, determine any additional labor that may be required in order to properly clean the ATS, re-cabling requirements, and touch up painting of the enclosure. Inform the Caterpillar EPD Product Support Representative of your requirements and obtain pre-approval for the extended labor needed. Ensure that your Warranty Claim Story contains your pre-approval request and authorization.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-9999 hrs,
0-999 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 1.5-hour job
The dealer must obtain pre-approval from the Caterpillar ATS Product Support Representative for any "after failure" extended labor charges or additional service repair parts as identified in the NOTES within the Action Required.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
SPECIAL TOOLS:
The servicing technician will require, at a minimum, the following tooling or devices when performing this service letter.
- Calibrated 600VAC rated Digital Multi-meter (DMM)
De-energizing the ATS
1. Locate the main Utility Service circuit breaker. Open the circuit breaker and tag-out the circuit breaker utilizing your approved safety standard procedures.
2. Locate the Genset Engine Control Switch (ECS) on the appropriate EMCP control panel. Place the ECS in the "OFF" position.
3. Locate the Genset Emergency Service circuit breaker. Open the circuit breaker
And tag-out the circuit breaker utilizing your approved safety standard procedures.
4. Locate the ATS. Utilizing your 600VAC rated DMM, confirm that the Utility
Service and Emergency Service input terminals are de-energized.
Replacement of the CPS Box
1. Locate the CPS Box inside the ATS. (Typically on the inside door panel).
2. Unplug the J5, J7 and JC connectors from the CPS Box. Refer to Image 1.1.1.
Image1.1.1
3. Remove the existing CPS Box from the ATS enclosure door.
4. Install the new CPS Box, 50P-1231RPL, where the original CPS Box was