PRODUCT SUPPORT PROGRAM FOR INSTALLING A SPEEDOMETER SENSOR ON CERTAIN 424 AND 424B BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSTALLING A SPEEDOMETER SENSOR ON CERTAIN 424 AND 424B BACKHOE LOADERS

Usage:

TEBE3146-00

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20May2015

D-194

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR INSTALLING A SPEEDOMETER SENSOR ON CERTAIN 424 AND 424B BACKHOE LOADERS
5736		PS52937

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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 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 "PS52937" 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

31May2016

PROBLEM

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The existing speedometer sensor can fail on certain 424 and 424B Backhoe Loaders. If the existing speedometer sensor fails it will malfunction.

AFFECTED PRODUCT

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Model	Identification Number
424 II	JRC03421, 3433-3435, 3439-3483, 3486-3546, 3548, 3551-3628, 3651-5990, 5997-6682, 6685-7319, 7330-7809, 9178
424B	JRN01000-01100, 1102-2339
424B HD	JRY01000-01039

PARTS NEEDED

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Qty	Part Number	Description
1	2390844	SENSOR
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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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Note: This program only covers the broken speed sensor issue only. Other failures pertaining to speed sensor are not applicable.

1. Confirm that the speed sensor failure is broken at the tip.

2. Refer 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%
0-3000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
3001-5500 hrs, 13-36 mo	33.0%	34.0%	0.0%	33.0%	50.0%	33.0%

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NOTE: This is a 1.0-hour job
Note: This program only covers the broken speed sensor issue only. Other failures pertaining to speed sensor are not applicable.

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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. Park the machine on level ground.

2. Place the bucket parallel to the ground and keep the front tire touching the ground. Ensure both rear tire and stabilizer are on the ground.

3. The Backhoe structure should be center positioned and be resting on the ground.

4. Turn off the engine.

5. Remove the failed sensor.

6. Mount the new sensor on the bracket with a minimum air gap of 0.5mm and a maximum air gap of 1.5mm between the sensor and spacer, fitted on transmission yoke. Refer to Image1.1.1.