Danfoss Series 45, Руководство по обслуживанию

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Introduction
Overview..............................................................................................................................................................................................5
Safety precautions............................................................................................................................................................................5
Unintended machine movement..........................................................................................................................................5
Flammable cleaning solvents.................................................................................................................................................5
Fluid under pressure.................................................................................................................................................................. 5
Personal safety............................................................................................................................................................................. 5
Symbols used in Danfoss literature............................................................................................................................................6
General description......................................................................................................................................................................... 7
System circuit.....................................................................................................................................................................................8
Technical specifications
General specifications.....................................................................................................................................................................9
Type of mounting....................................................................................................................................................................... 9
Auxiliary mounting pad options............................................................................................................................................9
Control options............................................................................................................................................................................9
Port options...................................................................................................................................................................................9
Direction of rotation...................................................................................................................................................................9
Installation position....................................................................................................................................................................9
Technical specifications............................................................................................................................................................9
Hydraulic parameters................................................................................................................................................................... 11
Inlet pressure..............................................................................................................................................................................11
Pressure compensator valve setting..................................................................................................................................11
Case pressure............................................................................................................................................................................. 11
Hydraulic fluid ...........................................................................................................................................................................11
Temperature range
(1)
............................................................................................................................................................. 11
Fluid viscosity.............................................................................................................................................................................11
Filtration ......................................................................................................................................................................................11
Features
Displacement limiter.....................................................................................................................................................................12
Auxiliary mounting pads.............................................................................................................................................................12
Input shafts.......................................................................................................................................................................................13
Control options...............................................................................................................................................................................13
General......................................................................................................................................................................................... 13
PC control.................................................................................................................................................................................... 13
LS control.....................................................................................................................................................................................14
Electric Proportional Controls..............................................................................................................................................15
Electric On/Off Controls..........................................................................................................................................................15
Electronic Torque Limiting Controls (ETL).......................................................................................................................16
PLUS+1
®
Compliance......................................................................................................................................................... 16
Electric Torque Limiting Control Principle................................................................................................................. 16
Pressure measurement
Required tools................................................................................................................................................................................. 18
Port locations and gauge installation.....................................................................................................................................18
Initial Start-Up Procedures
General...............................................................................................................................................................................................19
Start-up procedure........................................................................................................................................................................19
Fluid and Filter Maintenance
Recommendations........................................................................................................................................................................ 20
Troubleshooting
Excessive noise and/or vibration..............................................................................................................................................21
Actuator response is sluggish....................................................................................................................................................21
System operating hot...................................................................................................................................................................21
Low pump output flow................................................................................................................................................................22
Pressure or flow instability..........................................................................................................................................................22
System pressure not reaching PC setting............................................................................................................................. 23
High inlet vacuum..........................................................................................................................................................................23
Service Manual
Series 45 E Frame Open Circuit Pumps
Contents
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