PRODUCT SUPPORT PROGRAM FOR REPLACING THE BOTTOM RADIATOR HOSE ON CERTAIN 306E MINI EXCAVATOR Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BOTTOM RADIATOR HOSE ON CERTAIN 306E MINI EXCAVATOR

Usage:

TEBE1270-00

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28May2014

D-264

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE BOTTOM RADIATOR HOSE ON CERTAIN 306E MINI EXCAVATOR
1813 1386 1356 1374 1382 1353 1351		PS44320

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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 "PS44320" 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

31May2015

PROBLEM

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The existing radiator hose can cause coolant leakage on certain 306E Mini Excavators. If the existing radiator hose fails, it can cause coolant losses and may eventually overheat the engine.

AFFECTED PRODUCT

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Model	Identification Number
306E	FHL00449-00768

PARTS NEEDED

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Qty	Part Number	Description
1	3882875	HOSE
1	BULK_COOLANT	ELC COOLANT ( 2 liters)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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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Replace with a correct radiator hose. Refer to the attached Rework Procedure.

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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%
0-3000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.5-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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1. Park the machine on level ground with the implements lowered.

2. Release the system pressure. Refer to KENR9860, Disassembly, "System Pressure - Release", for additional information.

3. Turn off the engine and battery isolator switch.

4. Ensure the engine has been cooled down sufficiently before rework.

Refer to Image1.1.1.

Image1.1.1

5. Locate radiator drain valve (1), as shown. Refer to Image1.2.1.

6. Open drain valve (1) and collect the coolant (11.5 liters) in a clean container for later refill.

7. Open engine top cover (2), as shown. Refer to Image1.2.1.

Image1.2.1

8. Locate engine bottom radiator hose clip (3) from the engine top, as shown. Unbolt using an extension socket (M7) and remove the hose. Refer to Image1.3.1.

Image1.3.1

9. Similarly, unbolt the other end of the radiator hose clip (4), as shown.

10. Remove the old hose. Replace with a new hose and repeat the above in reverse order. Refer to the new hose diameters below.

New Hose Diameter A: 47mm-48mm.
Diameter B: 31mm-32mm.

Refer to Image1.4.1.

11. Tighten the hose clamp, refill coolant, and test run machine. Ensure there are no leaks.

End of Rework.