PRODUCT SUPPORT PROGRAM FOR VERIFYING THE TORQUE ON THE 227-6034 BOLTS FOR THE FINAL DRIVE GEAR COUPLING WHICH MAY BECOME LOOSE ON CERTAIN 320C EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR VERIFYING THE TORQUE ON THE 227-6034 BOLTS FOR THE FINAL DRIVE GEAR COUPLING WHICH MAY BECOME LOOSE ON CERTAIN 320C EXCAVATORS

Usage:

SEBE9272

July 22, 2005
A-177

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*before or* *after failure*	PRODUCT SUPPORT PROGRAM FOR VERIFYING THE TORQUE ON THE 2276034/">227-6034 BOLTS FOR THE FINAL DRIVE GEAR COUPLING WHICH MAY BECOME LOOSE ON CERTAIN 320C EXCAVATORS
4050		PS41871

NOTE: This Program can 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 "PS41871" as the Part number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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.

TERMINATION DATE

July 31, 2007

PROBLEM

The 2276034/">227-6034 Bolts that are used on the final drive gear coupling may become loose on certain 320C Excavators.

AFFECTED PRODUCT

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Model	Identification Number
320C	SBN001-787

PARTS NEEDED

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Qty	Part Number	Description
28	2276034	BOLT-FLANGED

ACTION REQUIRED

Check the torque of the 2276034/">227-6034 bolts. If the torque is below the 270+/-40 Nm (230+/-30 lbs), replace all bolts and torque to specifications.

NOTE: Do not reuse the bolts. Do not use bolts with a supplier identification "I" marked on the head of the bolt.

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
0-4000	100%	4.0	0	0	0	0
4001-8000	33.3%	2.0	0	0	50%	2.0
NOTE: This is a 4.0?hr job.

PARTS DISPOSITION

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

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