An Improved Stick Regeneration Valve is Now Available for Certain Excavators {5051}
- Excavator:
- 345C (S/N: SPC1-UP; ESD1-UP; TDG1-UP; GPH1-UP; GCL1-UP; M2R1-UP; PJW1-UP)
- 345C L (S/N: FPC1-UP)
The 255-5588 Stick Regeneration Valve on 345C Excavators has been found with machining interference. This may result in seizure during movement of the stick as well as stick drift. Refer to Illustration 1 for a location of the problem. The part number for 255-5588 Stick Regeneration Valve has not changed. The solution incorporates improved tolerances of components in order to allow a more effective matching of parts. This will guarantee that components will not result in a seizure.
Show/hide table
 | |
| Illustration 1 | g01616633 |
(1) Main control valve
(2) 255-5588 Stick Regeneration Valve
Show/hide table
| Effectivity for the Improved Stick Regeneration Valve | |||
| Pt. no. | Model | Effectivity | Adaptability |
| 255-5588 | 345C | S/N:ESD240 | S/N:ESD1-239 |
| S/N:GPH430 | S/N:GPH1-429 | ||
| S/N:PJW2287 | S/N:PJW1-2286 | ||
| S/N:SPC269 | S/N:SPC1-268 | ||
| S/N:TDG401 | S/N:TDG1-400 | ||
| 345C L | S/N:FPC147 | S/N:FPC1-146 | |
| S/N:GCL277 | S/N:GCL1-276 | ||
| 345C MH | S/N:M2R224 | S/N:M2R1-223 | |
Caterpillar Information System:
319D Excavator Machine System Specifications Boom - 5.3 m (17.39 ft)
323D MHPU Mobile Hydraulic Power Unit Capacities (Refill)
307D Excavator Machine Systems Check Valve (Cooler Bypass) - Install
307D Excavator Machine Systems Check Valve (Cooler Bypass) - Remove
2008/08/11 Procedure is Available to Improve the Mounting Locations of the Grab Handle. {7301}
307D Excavator Engine Supplement Refrigerant Compressor - Remove and Install
323D MHPU Mobile Hydraulic Power Unit Securing the Machine
345C Excavator (Ultra High Demolition) Hydraulic System Travel Hydraulic System
307D Excavator Engine Supplement Alternator - Remove and Install
2008/08/11 New C18 Cylinder Liners and O-ring Seals are Used {1201, 1216, 1216}
C4.2 and C6.4 Engines for Caterpillar Built Machines Fuel Injection Pump
345C Excavator (Ultra High Demolition) Hydraulic System Swing Hydraulic System
325D and 329D Excavators and 325D Material Handler Machine System Specifications Stick - 7.85 m (25.755 ft)
345C Excavator (Ultra High Demolition) Hydraulic System Control Valve (Straight Travel)
314D CR Hydraulic Excavator C4.2 Engine Supplement Coolant Tank (Expansion) - Remove and Install
323D MHPU Mobile Hydraulic Power Unit Maintenance Interval Schedule
325D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Operator Controls
Procedure for Repairing Cracks at the Mounting Locations for the Grab Handles on Machines with Cabs{7301} Procedure for Repairing Cracks at the Mounting Locations for the Grab Handles on Machines with Cabs{7301}
390D Excavator Restricted Visibility
325D and 329D Excavators and 325D Material Handler Machine System Specifications Front Lines - Boom Cylinder
325D and 329D Excavators and 325D Material Handler Machine System Specifications Stick Cylinder
319D Excavator Machine System Specifications Bucket Cylinder Lines
319D Excavator Machine System Specifications Bucket Cylinder Lines
325D and 329D Excavators and 325D Material Handler Machine System Specifications Pilot Valve (Travel)