Eaton DG5S4-06 Series - User Manual

I-3618-SRevised 11/1/86
Directional Controls
Overhaul Manual
Vickers
®
Directional Controls

Eaton DG5S4-06 Series Specifications

General

Brand	Eaton
Model	DG5S4-06 Series
Category	Control Unit
Language	English

Summary

Section V - Internal Valve Functions

B. Pilot Pressure

Explains internal and external pilot pressure requirements and their relation to valve operation.

C. Pilot Valve Drains

D. Integral Check Valves

Section VI - Installation

B. Fluids and Seals

E. Cleanliness

F. Overload Protection

Section VII - Service, Inspection & Maintenance

B. Inspection

Details periodic checks for fluid condition and hydraulic connections to prevent issues.

E. Replacement Parts

G. Troubleshooting

Lists common valve and system difficulties, probable causes, and remedies.

Section VIII - Overhaul

A. Unit Removal

Provides safety warnings and steps for safely removing the directional valve unit.

B. Disassembly

Outlines the general disassembly sequence for DG5S4 two-stage directional valves.

C. Pilot Valve Removal

Details the steps for removing the pilot valve from the main stage body.

D. Main Stage Disassembly

Provides instructions for disassembling the main stage section of the valve.

E. Pilot Valve Disassembly

F. Cleaning

G. Inspection, Repair and Replacement

Covers inspection of parts, thread condition, spring integrity, and bore/spool clearances.

H. Assembly

Provides step-by-step instructions for reassembling the main stage and pilot valve sections.

Section IX - Internal Body Passages & Plug Locations

Section X - Start-up and Test

A. Start-up

Guides the initial system startup, sequencing the unit and observing actuator movement.

B. Test

Describes the requirements for testing valve performance, referencing installation drawings.