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PVG 32
Danfoss PVG 32 Service Manual
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Revision history
Table of revisions
Date
Changed
Rev
February 2017
Updated with PVE Series 7
0301
May 2014
Converted to Danfoss layout – DITA CMS
BA
Feb 2006 - Aug 2013
Various changes
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©
Danfoss | February 2017
11039167
|
AX00000031en-US0301
1
3
Table of Contents
Default Chapter
3
Table of Contents
3
Overview
5
General Instructions
5
Remove the Unit
5
Keep It Clean
5
Replace All O-Rings and Gaskets
5
Secure the Unit
5
February
5
Safety Precautions
6
Unintended Machine Movement
6
Flammable Cleaning Solvents
6
Fluid under Pressure
6
Personal Safety
6
Hazardous Material
6
Acronyms
6
Operation
8
PVG 32 Group with Open Center PVP (PVB with Flow Control Spool)
8
PVG 32 Group with Closed Center PVP (PVB with Flow Control Spool)
8
PVG 32 Sectional Drawing
9
PVPC Plug for External Pilot Oil Supply
9
Friction Detent
11
PVBS, Main Spools for Flow Control (Standard)
12
PVBS, Main Spools for Flow Control (with Linear Characteristics)
12
PVBS, Main Spools for Pressure Control
12
PVPX Electrical LS Unloading Valve
13
System Troubleshooting
14
Overview
14
Troubleshooting a PVG Valve
14
No Cylinder/Motor Response in Either Direction When Remote Controller Is Actuated
15
Cylinder/Motor Responds in One Direction Only
16
Main Valve Spool Moves Without Oil Passing to Cylinder/Motor
16
Cylinder/Motor Operates Without Remote Controller Being Operated
17
Cylinder/Motor Responds Slowly to Remote Electrical or Hydraulic Controller Actuation
17
Erratic Cylinder/Motor Response to Electrical or Hydraulic Controller Operation
17
Hydraulic Oil Supply
18
Electrical Supply
18
Hydraulic (Remote) Pilot Control Pressure
19
PVG 32 Component Troubleshooting
20
Pressure Relief Valve
20
Pressure Reducing Pilot Valve
20
Pressure Gauge Connection
21
Open Center Plug
22
Closed Center Plug and Orifice
23
Pressure Adjustment Spool
24
LS Connection
25
LS Signal
25
10. Shuttle Valve
26
LS Pressure Limiting Valve
27
LS A, B Shuttle
27
Main Spool
28
Shock and Anti-Cavitation Valve PVLP
29
Pressure Compensator
30
Load Drop Check Valve
31
Maximum Oil Flow Adjustment Screws for Ports a and B
32
PVM Module
33
PVS Module
34
PVPVM Module
35
PVAS Module
36
PVPX LS Unloading Valve
37
PVEM, PVEA, PVEH, PVES Electrical Actuators
38
Troubleshooting Considerations
38
PVEO ON/OFF Electrical Actuator
39
PVPC Plug for External Pilot Control
42
PVMR Friction Module
42
Other manuals for Danfoss PVG 32
Service And Parts Manual
144 pages
Technical Information
76 pages
Application Guide
12 pages
Installation Guide
9 pages
4
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Danfoss PVG 32 Specifications
General
Brand
Danfoss
Model
PVG 32
Category
Control Unit
Language
English
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