PRODUCT SUPPORT PROGRAM FOR REPLACING THE TAPERED PIN AND RELATED HARDWARE FOR THE LOWER SWING FRAME JOINT ON CERTAIN 416D, 420D, AND 430D BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE TAPERED PIN AND RELATED HARDWARE FOR THE LOWER SWING FRAME JOINT ON CERTAIN 416D, 420D, AND 430D BACKHOE LOADERS [REBE2868]

FRAME AND BODY

FRAME GP

PRODUCT SUPPORT PROGRAM FOR REPLACING THE TAPERED PIN AND RELATED HARDWARE FOR THE LOWER SWING FRAME JOINT ON CERTAIN 416D, 420D, AND 430D BACKHOE LOADERS

REBE2868-00

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30Oct2007

U-545

A-446

D-445

O-477

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Before/After Parts stock action needed	PRODUCT SUPPORT PROGRAM FOR REPLACING THE TAPERED PIN AND RELATED HARDWARE FOR THE LOWER SWING FRAME JOINT ON CERTAIN 416D, 420D, AND 430D BACKHOE LOADERS
6506		PS42538

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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 "PS42538" 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:

Although this Program is to be administered as described above on the Affected Product, parts should be removed form parts stock as soon as possible.

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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

31Oct2009

PROBLEM

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The 130-0484 and 9R-0234 Tapered Pin for the lower swing frame joint may prematurely fail on certain 416D, 420D, and 430D Backhoe Loaders. An improved tapered pin is available.

AFFECTED PRODUCT

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Model	Identification Number
416D	B2D00150-02701 BFP12900-17198
420D	FDP18400-27266, 90257
420D IT	BLN10300-13518, 13521-13528, 13538-13542, 18780
430D	BNK05900-07307
430D IT	BML04800-05472

PARTS NEEDED

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Qty	Part Number	Description
1	3B8489	FITTING
1	8T3652	NUT
1	8T4837	WASHER-PLATED
1	3005442	PIN

ACTION REQUIRED

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****Parts Stock ****

Remove all 130-0484 from dealer parts stock.

****Affected Product****

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A new 300-5442 Pin has improved fatigue life by increasing heat treat area and also increased the radius at thread base from .8 to 3mm.

Refer to the attached Rework Procedure.

Before Failure: Replacing the tapered pin and hardware prior to cracks or breaking of the tapered pin. Use "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code.

After Failure: Replacing the pin and hardware after the tapered pin has cracked, broken or come loose. If the pin has come loose, inspect the taper bore in the swing casting before fitting a new pin. If the bore has been significantly damaged, the swing casting must be replaced. Use "96" as the Warranty Claim Description Code and "Z" as the SIMS Description Code.

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SERVICE CLAIM ALLOWANCES

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****Parts Stock****

Submit one claim for all parts removed from dealer parts stock.

****Affected Product****

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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%
0-2500 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2501-5000 hrs, 25-48 mo	33.3%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 2.0-hour job

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PARTS DISPOSITION

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****Parts Stock****

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

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****Affected Product****

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

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Rework Procedure

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Refer to Disassembly and Assembly Manual, RENR3585, "Swing Frame-Install".

Note: When installing the new pin, the taper pin bore must be cleaned with degreaser to remove grease or protective coatings. The bore and the taper of the pin then must be cleaned with isopropyl alcohol prior to assembly.

Tighten the lower swing frame pin nut to a torque of 1250 +/- 135 N.m (922 +/- 100 lb ft). Place the rear implements in the position shown below in Image 1.1.1 to apply torque to the nut.
NOTE: The swing frame lock pin must be installed when applying torque to the nut.

Image1.1.1

Cycle the swing cylinders 10 times with the backhoe positioned as shown in Image 1.2.1. Cycle the swing cylinders without hitting the frame with the swing casting.

Image1.2.1

Cycle the stick cylinder 10 times with the backhoe positioned as shown in Image 1.3.1.

Image1.3.1

Cycle the boom cylinder 10 times with the backhoe positioned as shown in Image 1.4.1. Cycle the boom cylinder through the snubber when raising the boom.

Image1.4.1

Re-tighten the lower swing frame pin nut to a torque of 1250 +/- 135 N.m (922 +/- 100 lb ft). Place the rear implements in the position shown below in Image 1.1.1 to apply torque to the nut.
NOTE: The swing frame lock pin must be installed when applying torque to the nut.