PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 365-1772 AIR COMPRESSOR GROUP ON CERTAIN 3516C HD GENERATOR SETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 365-1772 AIR COMPRESSOR GROUP ON CERTAIN 3516C HD GENERATOR SETS

Usage:

TEBE1222-00

Show/hide table

11Mar2015

U-98

Show/hide table

Priority	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 365-1772 AIR COMPRESSOR GROUP ON CERTAIN 3516C HD GENERATOR SETS
1803		PI32454

Show/hide table

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 as soon as possible. When reporting the repair, use "PI32454" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI32454" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Show/hide table

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.

Show/hide table

COMPLETION DATE	TERMINATION DATE
30Sep2015	31Mar2016

PROBLEM

Show/hide table

The air compressor group needs to be replaced on certain 3516C HD Generator Sets. The existing air compressor can fail and cause unplanned downtime. The new 4572921/">457-2921 Air Compressor Group is a replacement for the former 365-1772 Air Compressor Group.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
3516C HD	SCK00117 SFK00105-00106 SKC00101-00102

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
1	4572921	COMPRESSOR GP -B
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% 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

Show/hide table

Refer to the attached Rework Procedure.

Show/hide table

OWNER NOTIFICATION

Show/hide table

Owners in the following countries will receive the attached Owner Notification:
US
Canada

SERVICE CLAIM ALLOWANCES

Show/hide table

Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

Show/hide table

NOTE: This is a 20.0-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Show/hide table

EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 365-1772 AIR COMPRESSOR GROUP ON CERTAIN 3516C HD GENERATOR SETS

MODELS INVOLVED - 3516C HD

Dear Cat Product Owner:

The Air Compressor Skid needs to be replaced on the products listed below. The existing Air Compressor can fail due to vibration. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated 11Mar2015 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 11Mar2015 Service Letter

Rework Procedure

Show/hide table

Make sure you have read and understood all of this document before beginning work.

Isolate the generator set before commencing any work on the unit, open generator set breaker, activate Emergency Stop, disconnect the battery cables and either disconnect or open the control circuit breaker for the AC power supply to the battery charger. Ensure all 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 or around the machine. Lock out generator operation and disconnect/lockout all power sources before commencing any work. Either disconnect or open the control circuit breaker for the AC power supply to the Air Compressor Group. Ensure that all compressed air is bled off prior to removing the Air Compressor Group.

1 - Disconnect the air lines & electrical supply going to the 365-1772 air compressor. Move these out of the way enough for air compressor removal.
Reference

2 - Remove the 365-1772 Air Compressor using a fork truck or suitable lifting device.
Reference Image 1.3.1 that shows the 365-1772 Air Compressor

Image1.3.1

3 - Move the new 4572921/">457-2921 Air Compressor into place making sure to leave room for the access door on each side. The control panel side should have the easiest access and should be visible when walking past the unit.
The new 4572921/">457-2921 Air Compressor dimensions are as follows:
70 Inches High
68 Inches Long
40 Inches Deep
Secure the new compressor to the floor. The support feet come with slotted holes which can be used to secure the entire package to the floor.
Reference Image 1.4.1 that shows the 4572921/">457-2921 Air Compressor

Image1.4.1

4 - Reroute and reconnect the air lines and electrical supply going to the new 4572921/">457-2921 Air Compressor.
Ensure that the 3 phase power connections allow the compressor motor to turn the proper direction. The proper motor direction is called out on the motor.
Each side of the tank is equipped with a 1/2 NPT female connection.