Danfoss MP1 Hydrostatic Pump Manuals

Manuals and User Guides for Danfoss MP1 Hydrostatic Pump. We have 2 Danfoss MP1 Hydrostatic Pump manuals available for free PDF download: Service Manual

Danfoss MP1 Service Manual (68 pages)

Variable Displacement Pumps

Brand: Danfoss | Category: Water Pump | Size: 6 MB

Table of Contents
3
Hydrostatics Servicing Overview
6
General Instructions
6
- Remove the Unit
  6
- Lubricate Moving Parts
  6
- Replace All O-Rings and Gaskets
  6
- April
  6
Danfoss | April
7
Safety Precautions
7
Symbols Used in Danfoss Literature
7
Danfoss | April
8
Technical Specifications

9
Operation

11
- MP1 High Pressure Relief Valve (HPRV) and Charge Check
  11
- Bypass Function
  11
- MP1 Charge Pressure Relief Valve (CPRV) Function
  12
- Loop Flushing Valve
  13
- Electrical Displacement Control (EDC)
  14
  - EDC Principle
    14
  - EDC Operation
    14
  - Control Signal Requirements, EDC
    15
  - EDC Solenoid Data
    15
  - Control Response
    16
    
    MP1 EDC Response Time
    16
  - Manual over Ride (MOR)
    16
- Swash Plate Angle Sensor for EDC Controls
  18
- Manual Displacement Control
  19
  - MDC Principle
    19
  - MDC Operation
    21
  - MDC Shaft Rotation
    21
  - Control Response
    22
    
    MP1 MDC Response Time
    22
  - Neutral Start Switch (NSS)
    22
  - Case Gauge Port M14
    23
  - Lever
    24
- Forward-Neutral-Reverse (FNR) Electic Control
  24
  - FNR Principle
    24
  - Control Response
    26
    
    Response Time, FNR
    27
- Non Feedback Proportional Electric Control (NFPE)
  27
  - Control Signal Requirements
    28
  - Control Response
    28
    
    Response Time
    29
- Non-Feedback, Proportional Hydraulic (NFPH) Control
  29
  - Control Response
    30
    
    Response Time
    31
- Control-Cut-Off Valve (CCO Valve)
  32
  - CCO Solenoid Data
    33
  - Brake Gauge Port with MDC
    34
- Displacement Limiter
  34
  - Displacement Change (Approximate)
    34
Contents

35
Operating Parameters

35
- Input Speed
  35
- System Pressure
  35
- Danfoss | April
  35
- Charge Pressure
  36
- Charge Pump Inlet Pressure
  36
- Case Pressure
  36
- Temperature
  36
- Viscosity
  37
Fluid and Filter Maintenance

38
- Filtration System
  38
Pressures Measurements

39
- MP1 Port Locations and Gauge Installation
  39
Initial Startup Procedure

41
- General
  41
- MP1 Start-Up Procedure
  41
Troubleshooting

43
- Overview
  43
- Safety Precautions
  43
- Electrical Troubleshooting
  43
- System Operating Hot
  44
- Transmission Operates Normally in One Direction Only
  44
- System Does Not Operate in Either Direction
  44
- System Noise or Vibration
  45
- Neutral Difficult or Impossible to Find
  45
- Sluggish System Response
  45
- Pump Adjustment
  46
- Standard Procedures
  46
- Charge Pressure Relief Valve
  46
- Displacement Limiter
  47
- Control Neutral Adjustment
  48
- Mechanical/Hydraulic Neutral Adjustment
  49
  - Servo Adjustment
    49
  - Verify Neutral Setting
    50
  - Servo Adjustment Side M4
    50
Minor Repair

52
- MP1 Standard Procedures and Pump Removal
  52
- EDC Control
  52
  - MP1 EDC Control Removal
    52
  - Controls Inspection
    53
  - MP1 EDC Control Assembly
    53
- MP1 Control Solenoids/Actuator Housing Replacement
  54
- MDC Control
  55
  - MP1 MDC Control Removal
    55
    
    MDC Illustration
    56
    
    MDC Legend
    56
  - Controls Inspection
    57
  - MDC Control Assembly
    57
- Charge Pump
  57
  - MP1 Charge Pump Removal
    57
  - MP1 Charge Pump Inspection
    58
  - MP1 Charge Pump Assembly
    58
- High Pressure Releif Valve (HPRV)
  58
  - MP1 HPRV Valve Removal
    59
  - HPRV Valve Inspection
    59
  - HPRV Valve Reassembly
    59
- Charge Pressure Relief Valve (CPRV)
  59
  - MP1 CPRV Removal
    59
  - CPRV Inspection
    60
  - MP1 CPRV Assembly
    60
  - Ax00000244En
    60
- MP1 Loop Flushing Removal (28/32)
  61
- Danfoss | April
  61
  - MP1 Loop Flushing Spool Inspection
    62
  - Reassembly
    62
- Shaft Removal
  62
  - Inspection
    63
  - Shaft Reassembly
    63
Fastener Size and Torque Chart

64
- Fastener Size and Torque
  64
- MP1 Plug Size and Torque
  65

Danfoss MP1 Service Manual (33 pages)

Axial Piston Motors Size 20/24

Brand: Danfoss | Category: Engine | Size: 4 MB

Table of Contents
3
Hydrostatics Servicing Overview
5
Safety Precautions
5
General Information

6
- MP1 Motors Overview
  6
- MP1 Motor Features
  6
- System Diagram
  7
- Schematic Diagram
  8
Technical Specifications

9
- Design Specifications
  9
- Technical Data
  9
- Operating Parameters
  9
- Fluid Specifications
  10
System Design Parameters

11
- Determination of Nominal Motor Size
  11
  - Variables
    11
Part Options

12
- Shaft Options
  12
- Loop Flushing Valve
  12
- Anti-Cavitation and Shock Valve
  14
- Speed and Temperature Sensor
  15
  - Available Sensors
    15
  - Sensor Position
    16
  - Speed Sensor 4.5 - 8 V
    16
  - Speed Sensor 7 - 32 V
    17
  - Output Pulses
    17
Operating Parameters

18
- Overview
  18
- Speed Ratings
  18
- System Pressure
  18
- Case Pressure
  19
- Temperature
  19
- Viscosity
  19
Pressure Measurements

20
Fluid and Filter Maintenance

23
- Recommendations of Fluid and Filter Maintenance
  23
Initial Start-Up Procedures

24
Troubleshooting

26
- Troubleshooting Overview
  26
- System Operating Hot
  26
- System Noise or Vibration
  26
Minor Repair

27
- Shaft Seal and Dust Seal
  27
  - Shaft Seal and Dust Seal Removal
    27
  - Shaft Seal and Dust Seal Assembly
    28
- Speed Sensor
  29
  - Speed Sensor Removal
    29
  - Speed Sensor Assembly
    29
- Loop Flushing Valve
  30
- Anti-Cavitation Valve
  31
Torque Chart

32
- Fasteners and Torque
  32

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More Danfoss Manuals

Danfoss MP1 Hydrostatic Pump Manuals

Danfoss MP1 Service Manual (68 pages)

Table of Contents

Technical Specifications

Operation

Contents

Operating Parameters

Fluid and Filter Maintenance

Pressures Measurements

Initial Startup Procedure

Troubleshooting

Minor Repair

Fastener Size and Torque Chart

Danfoss MP1 Service Manual (33 pages)

Table of Contents

General Information

Technical Specifications

System Design Parameters

Part Options

Operating Parameters

Pressure Measurements

Fluid and Filter Maintenance

Initial Start-Up Procedures

Troubleshooting

Minor Repair

Torque Chart

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