PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE RADIATOR FAN ON CERTAIN XQ350 RENTAL GENERATOR SETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE RADIATOR FAN ON CERTAIN XQ350 RENTAL GENERATOR SETS

Usage:

TEBE1441-00

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13Jun2014

U-341

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE RADIATOR FAN ON CERTAIN XQ350 RENTAL GENERATOR SETS
1356		PI32356

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32356" 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 "PI32356" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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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.

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COMPLETION DATE	TERMINATION DATE
31Dec2014	30Jun2015

PROBLEM

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The existing rivets may fail on certain 388-0324 Radiator Fans on certain XQ350 Rental Generator Sets.

AFFECTED PRODUCT

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Model	Identification Number
C13	X3M00100-00199, 300-471, 474

PARTS NEEDED

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Qty	Part Number	Description
6	8T4133	NUT
6	8T4182	BOLT-HEX HEAD
1	4607333	SPIDER AS-FAN
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

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Important Safety Information

Work safely. Most accidents that involve product operation,
maintenance, and repair are caused by failure to observe basic safety
rules or precautions. An accident can often be avoided by recognizing
potentially hazardous situations before an accident occurs.
A person must be alert to potential hazards. This person should also
have the necessary training, skills, and tools in order to perform
these functions properly.

Safety precautions and warnings are provided in this instruction, on
the product, and in this product's Operation and Maintenance Manual
(OMM). If these hazard warnings are not heeded, bodily injury or death
could occur to you or to other persons. Caterpillar cannot anticipate
every possible circumstance that might involve a potential hazard.
Therefore, the warnings in this publication, the warnings that are on
the product, and the warnings that are in the OMM are not all
inclusive. If a tool, a procedure, a work method, or operating
technique that is not recommended by Caterpillar is used, the user must
ensure that it is safe for the user and for other people to use.
The user should ensure that the product will not be damaged or the
product will be made unsafe by the operation, lubrication, maintenance,
or the repair procedures that are used.

WARNING: The Rental Generator Set must be isolated electrically before and
while the rework is performed. Follow the proper lockout tag out
procedures to protect against the unexpected energization or start up
of the Rental Generator Set. Failure to follow these warnings could result in
injury to personnel during service. Attach a "Do Not Operate" warning
tag to the machine start switch or the controls before you perform any
service to the machine.

The existing 388-0324 Radiator Fan needs to be removed and replaced with 460-7333 Radiator Fan. 460-7333 Radiator Fan has improved fasteners Refer to Image 2. Refer to the instructions in the attached Rework Procedure for replacing radiator fan.

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Image1

Image2

OWNER NOTIFICATION

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

SERVICE CLAIM ALLOWANCES

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

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NOTE: This is a 4.0-hour job

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PARTS DISPOSITION

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

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

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE RADIATOR FAN ON CERTAIN XQ350 RENTAL GENERATOR SETS

MODELS INVOLVED - XQ350

Dear Cat Product Owner:

The radiator fan needs to be replaced on the products listed below. The existing fan rivets may fail. 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 13Jun2014 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 13Jun2014 Service Letter

Rework Procedure

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Fan removal will be performed in-package from the right hand side (curbside) of the Rental Generator Set since the fuel cooler, fuel lines and CEM air line are all mounted on the left hand side of the radiator shroud.

Image1.1.1

Remove the right hand section of the 385-5157 Belt Guard. Store the guard and hardware for reuse. Refer to Image 1.2.1.

Image1.2.1

Remove the top section of the 385-5156 Belt Guard. Store the guard and hardware for reuse. Refer to Image 1.3.1.

Image1.3.1

Remove the upper and lower half of the fan guard. Store the guard and hardware for reuse. Refer to Image 1.4.1.

Image1.4.1

Remove only the right hand pieces of the fan shroud from the radiator. Store the fan shroud and hardware for reuse. Refer to Image 1.5.1.

Image1.5.1

Remove the hardware attaching the fan to the fan hub and remove the fan. Refer to Image 1.6.1.

Image1.6.1

Install 470-7333 Fan to the fan hub with the correct orientation. For the correct orientation, make sure the concave side of the fan is facing towards the radiator. Use new 8T-4182 Bolts and 8T-4133 Nuts. Tighten to 55 +/- 10 N-m (41 +/- 7 ft lbs).

Install the fan shroud, fan guard, and belt guards.

Check that all hardware is properly tightened.

Run the Rental Generator Set. Confirm the correct direction of airflow. Air flow should be towards radiator. Air will discharge out of the top of the enclosure indicating correct orientation.

Shutdown the Rental Generator Set.

The Rental Generator Set may now be returned to service.