PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ACCESSORY DRIVE SHAFT BOLTS ON CERTAIN 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ACCESSORY DRIVE SHAFT BOLTS ON CERTAIN 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS [UEBE0369]

BASIC ENGINE

DRIVE GP-ACCESSORY

PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ACCESSORY DRIVE SHAFT BOLTS ON CERTAIN 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS

UEBE0369-00

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25Feb2020

U-89

A-67

D-82

O-79

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Before/After	PRODUCT SUPPORT PROGRAM FOR INSPECTING THE ACCESSORY DRIVE SHAFT BOLTS ON CERTAIN 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS
3108 1207		PS46582

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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 either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS46582" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "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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TERMINATION DATE

28Feb2021

PROBLEM

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The engine side accessory drive shaft mounting bolts may not have been tightened to the correct torque on certain 785D, 785D OEM, 785G, 789D, 789G, 793D, 793F, and 793F CMD Off-Highway Trucks.
The following engine-side accessory drive shaft mounting bolts need to be checked.
785D/789D 0L-0478
785G/789G 6V-3823
793D 0S-1604
793F 0S-1604

AFFECTED PRODUCT

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Model	Identification Number
785D	MSY00748-00751, 754-755, 758-760, 763-764, 769, 779, 781-782, 785-803, 806-807, 816-818, 820-821, 832-834
785D OEM	DMC00188-00190, 195-202, 204-205
785G	RTL00104-00109
789D	SPD00735, 738-753, 755-756, 760-766, 768, 772, 777-778, 782, 784-785, 787-800, 803, 805-819, 821-822, 825-828, 834-837, 845-846
789G	TR200191
793D	FDB01956-01957, 1968, 1987-2005, 2007-2015
793F	D3T00159, 161-174 SSP01206, 1214, 1234-1237, 1246-1260, 1267-1268
793F CMD	RBT00206, 208, 210, 227, 230, 235-237, 239, 242-247, 250-279, 281-282, 284-285, 288, 302-303

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Using an appropriate torque tool. Check the static torque value of the (4) engine-side accessory drive shaft bolts according to the following figures. If any fail the static inspection, tighten to the specified assembly torque value. Reference the chart in the attached Rework Procedure.
Note: The difference in Torque Value shown in the attached chart for 793D/793F, even though they use the same bolt, is correct.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	AVSpare		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-6000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%