PRODUCT SUPPORT PROGRAM FOR MODIFICATIONS IN THE SWING PILOT CIRCUIT IN ORDER TO PREVENT JOYSTICK VIBRATION ON CERTAIN 345D EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR MODIFICATIONS IN THE SWING PILOT CIRCUIT IN ORDER TO PREVENT JOYSTICK VIBRATION ON CERTAIN 345D EXCAVATORS

Usage:

REBE6302-00

Show/hide table

06Jan2011

O-13

Show/hide table

*Before/After*	PRODUCT SUPPORT PROGRAM FOR MODIFICATIONS IN THE SWING PILOT CIRCUIT IN ORDER TO PREVENT JOYSTICK VIBRATION ON CERTAIN 345D EXCAVATORS
5057 5059		PS43217

Show/hide table

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 "PS43217" 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.

Show/hide table

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.

Show/hide table

TERMINATION DATE

31Jan2013

PROBLEM

Show/hide table

The operator may experience joystick vibration during the operation of the swing function on certain 345D Excavators.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
345D L	KFH00211-00214 RGD00141-00149 RGG00101-00269
345D LC-VG	LKY00251-00285, 287-297, 299, 307
345D OEM	P5D00113, 144

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
1	3J1907	SEAL-O-RING (If Needed)
1	6V8397	SEAL-O-RING-ORFS (If Needed)
1	1646979	VALVE GP-SHTL-B
1	2489469	HOSE AS
1	2597733	CONNECTOR (If Needed)
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

Show/hide table

Refer to the attached Rework Procedure in order to install the new shuttle valve and hose assembly.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

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, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
3001-6000 hrs, 25-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

Show/hide table

NOTE: This is a 2.0-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

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

Rework Procedure

Show/hide table

1. Fabricate the 248-9469 Hose Assembly.

2. Place the machine in the service position and release the hydraulic oil pressure in the system. Refer to the machines Disassembly and Assembly manual, "System Pressure ? Release".

3. Attach vacuum cap onto the hydraulic tank. Attach an air supply hose onto the assembly. Apply 276 to 414 kPa (40 to 60 psi). This procedure will pull a vacuum on the hydraulic system.

4. Remove the guard that is underneath the main control valve.

Image1.2.1

5. Remove the shuttle valve from the machine.

6. Remove the connector and o-rings from the shuttle valve. Inspect the connector to verify that the connector is an orificed-connector. Refer to Image 1.3.1. If the connector is an orificed-connector, install the orificed-connector and o-rings onto the new shuttle valve. If the connector is not an orificed-connector, install a new 259-7733 orificed-Connector, a new 3J-1907 o-ring and a new 6V-8397 o-ring onto the new shuttle valve as required. The notch indicates correct Orificed-connector. Refer to Image 1.3.2.

Image1.3.1

Image1.3.2

7. Install the new shuttle valve onto the machine. Refer to Image 1.4.1.

Image1.4.1

8. Install the new 248-9469 Hose Assembly. The 248-9469 Hose Assembly runs from the shuttle valve outlet to the "B2" port of the pressure reducing valve.

Image1.5.1

Image1.5.2

9. Remove the brown hose identification band from the old hose assembly, and attach the band onto the new 248-9469 Hose Assembly.

10. Clean up the affected area, and install the bottom guard.

11. Remove the vacuum cap from the hydraulic tank and reinstall the hydraulic oil tank cap.

12. Bleed out the air from the swing pilot circuit.

13. Test the machine for leaks and correct operation.