PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS [UEBE0010]

HYDRAULIC SYSTEM

PUMP GP

PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS

UEBE0010-02

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16Dec2019

(Revised 11May2020)

U-760

A-596

D-661

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
1356 5070 5073		PI33116

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NOTE:

AVSpare’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 AVSpare.

NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI33116" 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 "PI33116" 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 AVSpare product analyst.

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NOTE:	This Revised Service Letter replaces the 16Dec2019 (Revised 06Jan2020) Service Letter. Changes have been made to the Affected Product.

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COMPLETION DATE	TERMINATION DATE
30Jun2020	31Dec2020

PROBLEM

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The fan over-speed setting needs to be inspected on certain 794 AC, 796 AC and 798 AC Off-Highway Trucks. If the setting of the fan over-speed is too high, it can cause the spider assembly and related components to fail.

AFFECTED PRODUCT

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Model	Identification Number
794 AC	HRT00100-00102 MN500052-00056 MT500100-00118, 126-128
796 AC	HRZ00501-00502
798 AC	ST700400-00401

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Inspect the fan over-speed setting and ensure it is set to 620 rpm. Refer to UENR2267, Testing and Adjusting, "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust", for additional information.

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OWNER NOTIFIAVSION

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

SERVICE CLAIM ALLOWANCES

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AVSpare		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 1.0-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 NOTIFIAVSION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED

MODELS INVOLVED - CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS

Dear Cat Product Owner:

The fan over-speed setting needs to be inspected on the products listed below. If the setting of the fan over-speed is too high, it can cause the spider assembly and related components to 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 16Dec2019 when scheduling this service.

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

AVSpare Inc.

Identification #(s)

Attached to 16Dec2019 Service Letter