PRODUCT SUPPORT PROGRAM FOR REWORKING THE INSTALLATION OF THE AIR CLEANER PRESSURE SWITCH ON CERTAIN 311F, 312F, AND 313F EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE INSTALLATION OF THE AIR CLEANER PRESSURE SWITCH ON CERTAIN 311F, 312F, AND 313F EXCAVATORS

Usage:

TEBE3657-00

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23Oct2015

U-571

A-416

D-500

O-499

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REWORKING THE INSTALLATION OF THE AIR CLEANER PRESSURE SWITCH ON CERTAIN 311F, 312F, AND 313F EXCAVATORS
5512 7452 1054 1051		PS53063

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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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53063" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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

31Oct2017

PROBLEM

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The existing air cleaner pressure switch might not have been fit to the air cleaner with the assembly process on certain 311F, 312F, and 313F Excavators. If the existing pressure switch has loosened, it can/will allow water entry with the warning "Intake Air Cleaner Filter Plugged" displayed in the monitor, without the filter plugging.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
311F LRR	JFT00276, 291, 293-612 KCW00201-00203, 205-347 LZF00269, 275-398

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*****Group 2*****
312F LGC	HDK00127-00237
313F LGC	GJD00179-00314

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
1	4J7533	SEAL-O-RING-STOR
1	2764836	SWITCH-PRESSURE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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.
*****Group 2*****
1	4J7533	SEAL-O-RING-STOR
1	2764836	SWITCH-PRESSURE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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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Refer to the attached Rework Procedure.

Note: The procedure for 311F needs the removal/attachment of the air cleaner to confirm the contacting of the switch against the shim.

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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%
*****Group 1*****
0-4000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 1.5-hour job for Group 1
Note: 1.5 hours job is allowed for air cleaner removal and attachment.

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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%
*****Group 2*****
0-4000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 0.5-hour job for Group 2

PARTS DISPOSITION

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

Rework Procedure

Group Number 1

1. Turn off the disconnect switch.

2. Remove the top plate. Refer to Image1.2.1.

3. Remove the hose clamp. The top plate must be removed in order to remove the hose clamp. Refer to Image1.2.2.

Image1.2.1

Image1.2.2

4. Remove the connector of the harness.

5. Remove mounting bolt (1) for the air cleaner. Refer to Image1.3.1.

Note: The air cleaner mounting bolt can be accessed from the bottom side.

6. Remove the old pressure switch.

Image1.3.1

7. Install the 4J-7533 O-ring so that the switch screw bottom may be contacted completely. Refer to Image1.4.1.

Image1.4.1

8. Install a new 276-4836 Pressure Switch.

a. Fasten tight until the 276-4836 Pressure Switch contacts the shim.

Note: Ensure that the shim does not rotate at all. Remove the air cleaner assembly when the rotation of the shim cannot be checked. Refer to Image1.5.1.

b. Turn the 276-4836 Pressure Switch an extra 1/4 turn by hand.

Image1.5.1

9. Reassemble the air cleaner.

Note: Tighten the hose clamp to a specified torque of 6.5 N.m (57.5 lb in).

10. Attach the connector of the harness until an engaging sound is made.

Note: Do not attach the connector while pushing the bar of the connector. The engaging sound may not be confirmed. Refer to Image1.6.1.

Image1.6.1

Group Number 2

1. Turn off the disconnect switch.

2. Remove the connector of the harness.

3. Remove the old pressure switch.

4. Install the 4J-7533 O-ring so that the switch screw bottom may be contacted completely. Refer to Image2.4.1.

Image2.4.1

5. Install a new 276-4836 Pressure Switch.

a. Fasten tight until the 276-4836 Pressure Switch contacts the shim.

Note: Ensure that the shim does not rotate at all. Remove the air cleaner assembly when the rotation of the shim cannot be checked. Refer to Image2.5.1.

b. Turn the 276-4836 Pressure Switch an extra 1/4 turn by hand.

Image2.5.1

6. Attach the connector of the harness until an engaging sound is made.

Note: Do not attach the connector while pushing the bar of the connector. The engaging sound may not be confirmed. Refer to Image2.6.1.