PRODUCT SUPPORT PROGRAM FOR REWORKING THE TRAVEL MOTOR SWASHPLATE ON CERTAIN 305.5E, 306, AND 306E MINI HYDRAULIC EXCAVATORS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE TRAVEL MOTOR SWASHPLATE ON CERTAIN 305.5E, 306, AND 306E MINI HYDRAULIC EXCAVATORS

Usage:

TEBE0870-00

14Aug2014


A-352
D-427

 

After Failure Only

  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE TRAVEL MOTOR SWASHPLATE ON CERTAIN 305.5E, 306, AND 306E MINI HYDRAULIC EXCAVATORS

4050
PS52739
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 "PS52739" 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.

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

31Aug2015

PROBLEM

The existing travel motor swashplate can fail on certain 305.5E, 306, and 306E Mini Hydraulic Excavators. If the existing swashplate fails, it can cause a travel deviation above the specification.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
306  SMD00100-00642
*******Group  2*******
306E  FHL00100-00812
*******Group  3*******
305.5E  MX500100-00414

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
2 4526211 KIT-SWASHPLATE
1 BULK_OIL HYDRO-ADVANCED OIL 10 (2 LITRE)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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*******
2 4526211 KIT-SWASHPLATE
1 BULK_OIL HYDRO-ADVANCED OIL 10 (2 LITRE)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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 3*******
2 4526211 KIT-SWASHPLATE
1 BULK_OIL HYDRO-ADVANCED OIL 10 (2 LITRE)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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

Replace both travel motor swashplates, if they are tested out of the required specification.

Refer to attached Test Procedure and Rework Procedure.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-3000 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 6.0-hour job for Group 1

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-3000 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 6.0-hour job for Group 2

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 3*******
0-3000 hrs,
0-12 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 6.0-hour job for Group 3



PARTS DISPOSITION

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


Rework Procedure


 
Refer to UENR2904 in order to perform the travel deviation test on level ground.

Note: This procedure can be used for 305.5E and 306 Mini-Excavator.

1. Record the travel deviation test results.

2. Observe for the machine during the travel deviation test, confirm whether it will swirl abruptly in the left or right direction during the 20 meters of parallel travelling.

3. Replace both travel motor swash plate once the above two tests have been confirmed.

4. Attached test reports for claim approval.

5. Proceed for the travel motor swashplate replacement as below.
Image1.1.1
 
1. Park machine on level ground with the implements lowered. Refer to Image1.2.1.

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

3. Turn off the engine and battery isolator switch.

4. Attach vacuum pump onto the hydraulic tank opening.

5. Attach an air supply hose onto the assembly.

This will pull a vacuum on the hydraulic system.
Image1.2.1
 
6. Refer to KENR9860, Disassembly and Assembly, "Final Drive and Travel Motor - Remove" and "Final Drive and Travel Motor - Disassembly", for the 306, 306E, and 305.5E.

Note: It is not required to disassemble the sprocket and the final drive reduction gearbox from Step 1 to Step 17 in KENR9860, Disassembly and Assembly, "Final Drive and Travel Motor - Disassemble".

7. Refer to Step 18 through Step 32 for the swash plate disassembly. Assemble the travel motor with new swash plate (1). Refer Image1.3.1.

8. Refer KENR9860, Disassembly and Assembly, "Final Drive and Travel Motor ? Assemble".

End of Rework.

9. Fill with hydraulic oil, if required.

10. Test run the machine and observe for any leak.
Image1.3.1
 
 

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