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Vickers DF3S4-16 Series
Eaton Vickers DF3S4-16 Series User Manual
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I-3618-S
Revised 1
1/1/86
Directional Controls
Overhaul
Manual
Vickers
®
Directional Controls
2
Table of Contents
Table of Contents
3
Introduction
4
Purpose of Manual
4
General Information
4
Description
10
General
10
Basic Four-Way Sliding Spool Directional Valve Construction
10
Two Stage Directional Valve Construction
10
Valve Operation
11
General
11
Spool Types - Main Stage Section
11
Methods of Spool Control, Main Stage
12
Main Stage Spool Position
12
Optional Features (Main Stage)
16
Pilot Valve Section
18
Spool Type - Pilot Valve Section
18
Spool Positioning - Pilot Valve Section
18
Methods of Control - Pilot Valve
19
Internal Valve Functions
23
General
23
Pilot Pressure
23
Pilot Valve Drains
23
Internal Check Valves
23
Installation
24
Installation Drawings
24
Fluids and Seals
24
Piping and Tubing
24
Hydraulic Fluid Recommendations
24
Cleanliness
24
Overload Protection
24
VII.service, Inspection & Maintenance
25
Service Tools
25
Inspection
25
Adding Fluid to the System
25
Adjustments
25
Replacement Parts
25
Product Life
25
Troubleshooting
25
VIII.overhaul
26
Unit Removal
26
Disassembly
28
Pilot Valve Removal
28
Main Stage Disassembly
28
Pilot Valve Disassembly
28
Cleaning
34
Inspection, Repair and Replacement
34
Assembly
35
Internal Body Passages and Plug Locations
37
Start-Up and Test
38
Start-Up
38
Test
38
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Eaton Vickers DF3S4-16 Series Specifications
General
Brand
Eaton
Model
Vickers DF3S4-16 Series
Category
Control Unit
Language
English
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