PRODUCT SUPPORT PROGRAM FOR REWORKING THE EMERGENCY STOP PUSH BUTTON CONTACTS ON EMCP 4 CONTROL PANELS ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE EMERGENCY STOP PUSH BUTTON CONTACTS ON EMCP 4 CONTROL PANELS ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS

Usage:

Information for equipment:


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PRODUCT SUPPORT PROGRAM FOR REWORKING THE EMERGENCY STOP PUSH BUTTON CONTACTS ON EMCP 4 CONTROL PANELS ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS PRODUCT SUPPORT PROGRAM FOR REWORKING THE EMERGENCY STOP PUSH BUTTON CONTACTS ON EMCP 4 CONTROL PANELS ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS

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Coolant Level Sensor 3500B and 3500C Generator Set Engines


TEBE2590-00

26Feb2015


O-78

 

Before/After

  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE EMERGENCY STOP PUSH BUTTON CONTACTS ON EMCP 4 CONTROL PANELS ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS

7451 4490 7332 1435
PS44655
NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS44655" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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 Caterpillar product analyst.


TERMINATION DATE

28Feb2017

PROBLEM

The emergency stop push button contacts on EMCP 4 control panels on certain 3512, 3512B, 3516, and 3516B Generator Sets, have been incorrectly installed. The generator set will shut down, however the fault alarm will not be logged under Engine Control in the event log menu of the EMCP 4 controller.

AFFECTED PRODUCT

Model Identification Number
3512  YAX00425-00432, 452-465
3512B  YAY01196-01197, 1204-1205, 1209-1214, 1217-1222, 1225-1226, 1228, 1231, 1235-1236, 1238, 1250, 1253-1254, 1256, 1260, 1262-1265, 1267
3512B HD  YAZ00635-00636, 639-640, 644-645, 647-659
3516  YAL00284-00285
3516B  YAP00659-00665, 670-677, 681, 685, 689, 695, 705, 711-712
3516B HD  YAR00575, 581-587, 589-590, 595, 599-600, 605-606, 625-627, 671-674

PARTS NEEDED

No parts needed for this program

ACTION REQUIRED

The issue can be rectified by relocating the outer emergency stop push button contacts in the assembly. Refer to the attached 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%
0-1000 hrs,
0-24 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 0.5-hour job



PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
 
 
 


Rework Procedure


 
1. Isolate generator set before commencing any work on the unit. Ensure health and safety requirements are adhered to at all times. Also ensure proper Lock Out-Tag Out procedures are followed at all times while work is being performed on the system. Lock out the generator set before commencing any type of work.
 
2. To gain access to the contacts of the emergency stop remove the 8 screws (1) securing the EMCP 4 control panel to generator terminal box as illustrated in Image 1.2.1
Image1.2.1
 
3. Unclip the switch contacts on the outer edge of the block of contacts (1) as illustrated in Image 1.3.1 and relocate them onto the back of the center contacts (2). There is no requirement to disconnect any of the wiring to complete this rework. An illustration of the switch contacts (1) after the rework is completed can be seen in Image 1.3.2.
Image1.3.1
Image1.3.2
 
4. Place the EMCP4 control panel plate on the generator terminal box and secure with the 8 screws previously removed in Step 2.

With the generating set in standby mode, run a functional test on the emergency stop push button; the alarm will be recorded in both the engine and controller event logs. Clear the generator set area and put system back into service.
 
 

Caterpillar Information System:

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