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LDU21C
Danfoss LDU21C Manuals
Manuals and User Guides for Danfoss LDU21C. We have
1
Danfoss LDU21C manual available for free PDF download: Service Manual
Danfoss LDU21C Service Manual (26 pages)
Closed Circuit Axial Piston Transmission
Brand:
Danfoss
| Category:
Microphone system
| Size: 3 MB
Table of Contents
Table of Contents
3
Overview
5
Warranty
5
General Instructions
5
Remove the Unit
5
Keep It Clean
5
Lubricate Moving Parts
5
Replace All O-Rings and Gaskets
5
Secure the Unit
5
Safety Precautions
6
Unintended Machine Movement
6
Flammable Cleaning Solvents
6
Fluid under Pressure
6
Personal Safety
6
Hazardous Material
6
Symbols Used in Danfoss Literature
7
General Description
8
Basic Design
8
Key Features
8
Typical Applications
8
Schematic Diagram
9
Operation
10
Check / High Pressure Relief Valve
10
CPRV (Charge Pressure Relief Valve)
10
Control
11
Direct Displacement Control
11
Control Handle Requirements
11
Operating Parameters
13
Overview
13
Input Speed
13
System Pressure
13
Input Power
13
Charge Pressure
13
Case Pressure
14
Viscosity
14
Temperature
14
Technical Specifications
15
General Specifications
15
Physical Properties
15
Operation Parameters
15
Fluid Specifications
15
Fluid and Filter Maintenance
17
Fluid and Filter Recommendations
17
Pressure Measurements
18
Port Locations and Gauge Installation
18
Initial Startup Procedure
19
Startup Procedure
19
Troubleshooting
20
Overview
20
System Operating Hot
20
Transmission Operates Normally in One Direction Only
20
System will Not Operate in Either Direction
20
System Noise or Vibration
20
Sluggish System Response
21
Required Tools and Standard Procedures
22
Required Tools
22
Standard Procedures
22
Charge Check/Hprv Adjustments
22
Checking for Proper Charge Check/Hprv Operation
22
Minor Repair
23
Shaft Seals
23
Removal
23
Inspection
23
Assembly
23
Charge Check/Hprv
24
Removal
24
Inspection
24
Reassembly
24
Torque Chart
25
Plug Size and Torque Chart
25
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