Eaton Electrical PVE12, PVE19, PVE21

Figure 5. Load Sensing Pressure Limiting Compensator (CVP, CVPC, CVPD)

Compensator

Spring

Drain

Compensator

Spool

Yoke Stroking Piston

Rotating Group

Yoke Spring

Inlet

Outlet

Actuator

Load

External Valve

Spool Orifice

Load Sensing

Spool

Set Screw

Contents

Main Table of Contents Section I Introduction A. Purpose Of Manual B. General Information Page Page Section II Description A. General B. Application Section III Principles of Operation A. Piston Pump B. Compensator C. Compensator D. Compensator Page E. Compensator Page Section IV Installation and Operating Instructions A. Installation Drawings B. Mounting and Drive Connections C. Shaft Rotation D. Piping and Tubing F. Overload Protection H. Start-Up Section V Service and Maintenance A. Service Tools Standard Tools and Equipment: Special Tools: B. Inspection Page F. Replacement Parts G. Troubleshooting Section VI Overhaul A. General B. Disassembly C. Inspection Repair and Replacement Page Page Figure 13. PVE19/21 Exploded View Page D. Assembly of Compensator E. Removal and Disassembly of Rotating Group F. Inspection Repair and Replacement Page G. Assembly of Housing Parts Page H. Disassembly of Valve Block I. Inspection, Repair, and Replacement J. Assembly of Valve Block K. Shaft Bearing Preload Adjustment L. Final Assembly of the PVE Series Pump Section VII Test Procedure A. Test Conditions B. Preliminary Check C. Preliminary SetUp D. Performance Test F. Performance Test of PVE 12/19/21 Piston Pump with CG Compensator Control H. Load Sensing Control Test 46 New Lane, Havant Hampshire PO9 2NB England Telephone: (44) 170-548-6451 Fax: (44) 170-548-7110