PRODUCT SUPPORT PROGRAM FOR REPLACING FAN GUARD ON CERTAIN C4.4 GENSET PACKAGES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING FAN GUARD ON CERTAIN C4.4 GENSET PACKAGES

Usage:

REBE4077-00

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20Aug2008

U-433

A-353

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING FAN GUARD ON CERTAIN C4.4 GENSET PACKAGES
1360		PS51537

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NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51537" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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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TERMINATION DATE

31Aug2010

PROBLEM

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The existing fan guard can rub on the enclosure door air intake baffle on certain C4.4 packages. If the existing fan guard rubs it will need to be replaced with an improved fan guard.

AFFECTED PRODUCT

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Model	Identification Number
C4.4	D4B00402-00404, 412-415, 417-472, 474-511, 613-620, 622-655, 657-661, 663-693, 695-701, 802-876, 879, 882, 884-886, 889

PARTS NEEDED

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Qty	Part Number	Description
1	3144820	GUARD-LH
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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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Refer to the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-10000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 1.5-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.

Rework Procedure

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1. Refer to the appropriate Service Manuals for safety instructions and additional details. Reference SEBU7681, RENR5980, and REHS0177.

2. Remove the generator set from operation by locking out the circuit breaker(s) and by removing battery power from the controls and the starter motor(s).

3. Open up front left door of enclosure and remove the five M8x1.5 bolts and washers that hold the left fan guard in place. Retain for reuse.

4. Cut any tie straps attached to fan guard and remove guard.

5. Remove the three bolts located approximately 4 inches to the left of the three bolts removed on the radiator. These bolts will have to be removed to install the new guard.

6. Install new guard using the five M8x1.5 bolts and washers from step 1. Tighten the bolts to a torque of 47Nm (34.5 lb ft).

7. Secure the wire harness back to the fan guard using tie straps.

8. Reconnect power to controls and the starter motor, and reset circuit breaker.