PRODUCT SUPPORT PROGRAM FOR REWORK OF THE 476-0262 AIR INLET HOSE CLAMPING ON CERTAIN 320F L EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORK OF THE 476-0262 AIR INLET HOSE CLAMPING ON CERTAIN 320F L EXCAVATORS

Usage:

TEBE5318-00

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18Oct2016

U-552

O-470

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Before/After	PRODUCT SUPPORT PROGRAM FOR REWORK OF THE 476-0262 AIR INLET HOSE CLAMPING ON CERTAIN 320F L EXCAVATORS
1380 5057		PS45259

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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 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 "PS45259" 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 Caterpillar product analyst.

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TERMINATION DATE

31Oct2018

PROBLEM

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Incorrect installation of the 476-0262 Air Inlet Hose clamping can cause an air leak on certain 320F L Excavators. If an air leak occurs, low air boost pressure and low engine power can occur.

AFFECTED PRODUCT

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Model	Identification Number
320F L	NHD00115-00151 YBM00159-00270, 272-287

PARTS NEEDED

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Qty	Part Number	Description
1	8T4984	CLAMP-BAND (If required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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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Rework the 476-0262 Air Inlet Hose clamping, if required. Refer to Image1 and 2. Refer to the attached Rework Procedure.

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Image1

Image2

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%
0-1500 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	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.

Rework Procedure

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Note: Ensure that all safety information, warnings, and instructions are read and understood before any operation or any maintenance procedures are performed. Refer to the Operation and Maintenance Manual "Safety Section".

1. Park the machine on a hard level surface, and ground the bucket/tool. Stop the engine. Refer to the Operation and Maintenance Manual.

2. Remove the bottom guard. Refer to Image1.3.1.

Image1.3.1

3. Inspect and confirm that the 8T-4984 Band Clamp is correctly installed at the consist distance location from the hose edge with correct torque (11 +/- 2 N.m). Refer to Image1.4.1 which shows correct clamping condition.

- If the 8T-4984 Band Clamp is installed correctly, proceed to Step 9.

- If the 8T-4984 Band Clamp is NOT installed correctly, proceed to Step 4.

Image1.4.1

4. Loosen the bolts and 119-5917 Clips for adjusting the 476-0262 Air Inlet Hose location. Refer to Image1.5.1.

Image1.5.1

5. Loose the 8T-4984 Band Clamp.

6. Adjust the 476-0262 Air Inlet Hose and the 8T-4984 Band Clamp correctly. Refer to Image1.4.1 and 1.6.1.

If the band clamp is damaged, replace the damaged band clamp with a new 8T-4984 Band Clamp.

7. Tighten the 8T-4984 Band Clamp to a specified torque of 11 +/- 2 N.m.

Image1.6.1

8. Tighten the air inlet hose clip bolts to a specified torque of 55 +/- 10 N.m. Refer to Image1.5.1.

9. Reinstall the bottom guard. Tighten to a specified torque of 100 +/- 20 N.m.