Danfoss H1P 053 Manuals

Manuals and User Guides for Danfoss H1P 053. We have 3 Danfoss H1P 053 manuals available for free PDF download: Service Manual, Technical Information

Danfoss H1P 053 Service Manual

Danfoss H1P 053 Service Manual (69 pages)

Axial Piston Single Pumps

Brand: Danfoss | Category: Water Pump | Size: 7.64 MB

Table of Contents

Table of Contents
3
Hydrostatics Servicing Overview
5
General Servicing Instructions
5
Safety Precautions
6
Symbols Used in Danfoss Literature
7
Design
8
H1 Single Pumps Closed Circuit Pictorial Diagram
9
H1 System Schematic
10
Operation

11
- Pressure Limiter Valves
  11
  - Pressure Limiter Sectional View
    11
- High Pressure Relief Valve (HPRV) and Charge Check Valve
  12
  - Hprv/Charge Check Valve Sectional View
    12
- Charge Pressure Relief Valve (CPRV)
  13
- Bypass Function
  14
  - System Schematic for Single Pump
    14
- Electrical Displacement Control (EDC)
  15
  - EDC Operation
    16
- Manual Override (MOR)
  17
- Manual Displacement Control (MDC)
  18
  - MDC Operation
    18
  - MDC Torque
    19
  - Neutral Start Switch (NSS)
    19
  - Case Gauge Port M14
    20
Operating Parameters

21
- Input Speed
  21
- System Pressure
  21
- Servo Pressure
  22
- Charge Pressure
  22
- Charge Pump Inlet Pressure
  22
- Case Pressure
  23
- External Shaft Seal Pressure
  23
- Temperature
  23
- Viscosity
  23
Technical Specifications

24
Fluid and Filter Maintenance Recommendations

26
- Filtration System
  27
Pressure Measurements

28
- Port Locations and Gauge Installation
  28
  - H1P Ports Information
    28
Initial Startup Procedures

29
- Unintended Machine Movement
  29
- Start-Up Procedure
  29
Troubleshooting

31
Adjustments

35
- Standard Procedures
  35
- Charge Pressure Relief Valve Adjustments
  36
- Pressure Limiter Adjustment
  37
- Engaging the Bypass Function
  38
- Displacement Limiter Adjustment for Single Pumps
  40
- Control Neutral Adjustment
  41
- Mechanical Neutral Adjustment
  43
- Pump Setup
  44
- Servo Adjustment
  45
Minor Repair

46
- Standard Procedures at Removing Pump
  46
- EDC Control Repair
  47
  - EDC Control Installation
    48
- Control Solenoids Repair
  48
- MDC Control Repair
  49
  - MDC Control Assembly
    51
- Angle Sensor on EDC Repair
  52
- EDC with Angle Sensor Repair
  53
- Automotive Control Repair
  55
  - AC Control Installation
    57
- Shaft Seal, Roller Bearing and Shaft Repair
  58
- Charge Pump Repair
  60
- High Pressure Relief Valve Repair
  63
- Charge Pressure Relief Valve Repair
  64
- Pressure Limiter Repair
  65
Torque Chart

66

Danfoss H1P 053 Service Manual

Danfoss H1P 053 Service Manual (68 pages)

Axial Piston Single Pumps

Brand: Danfoss | Category: Water Pump | Size: 9.67 MB

Table of Contents

Table of Contents
3
Hydrostatics Servicing Overview
5
General Servicing Instructions
5
Safety Precautions
6
General Description of H1 Family Hydrostatic Pumps
7
Design
7
H1 Single Pumps Closed Circuit Pictorial Diagram
9
H1 System Schematic
9
Operation
11
Pressure Limiter Valves
11
Pressure Limiter Sectional View
11
High Pressure Relief Valve (HPRV) and Charge Check Valve
11
Hprv/Charge Check Valve Sectional View
12
Charge Pressure Relief Valve (CPRV)
12
Bypass Function
12
System Schematic for Single Pump
13
Electrical Displacement Control (EDC)
13
EDC Operation
14
Hydraulic Displacement Control (HDC)
15
HDC Principle
15
HDC Operation
15
Manual Override (MOR)
17
Manual Displacement Control (MDC)
17
MDC Operation
18
MDC Torque
19
Neutral Start Switch (NSS)
19
Case Gauge Port M14
19
Operating Parameters
20
Input Speed
20
System Pressure
20
Servo Pressure
21
Charge Pressure
21
Charge Pump Inlet Pressure
21
Case Pressure
21
External Shaft Seal Pressure
22
Temperature
22
Viscosity
22
Technical Specifications
23
H1 Pumps General Specification
23
H1P 069-280 Physical Properties
23
Fluid Specification
24
Fluid and Filter Maintenance Recommendations
25
Filtration System
25
Pressure Measurements
27
Port Locations and Gauge Installation
27
H1P Ports Information
27
Initial Startup Procedures
29
Unintended Machine Movement
29
Start-Up Procedure
29
Troubleshooting
31
High Inlet Vacuum
31
Unintended Machine Movement
31
Fluid under Pressure
31
Electrical Troubleshooting
31
Integral Filter Bypass
31
Neutral Difficult or Impossible to Find
32
Transmission Operates Normally in One Direction Only
32
System Operating Hot
32
System will Not Operate in Either Direction
33
System Noise or Vibration
33
Sluggish System Response
33
Adjustments
35
Standard Procedures
35
Charge Pressure Relief Valve Adjustments
35
Pressure Limiter Adjustment
36
Engaging the Bypass Function
38
Displacement Limiter Adjustment for Single Pumps
38
Control Neutral Adjustment
39
Mechanical Neutral Adjustment
41
Unintended Machine Movement
41
Minor Repair
44
Control Solenoids Repair
46
MDC Control Repair
47
Angle Sensor on EDC Repair
50
EDC with Angle Sensor Repair
51
Automotive Control Repair
52
Shaft, Seal and Bearing Repair
56
External Filter Repair
58
Filter Bypass Valve and Switch Repair
59
Charge Pump Repair (Removable Auxiliary Pad)
59
Charge Pump Repair (Integrated Auxiliary Pad)
60
High Pressure Relief Valve Repair
62
Charge Pressure Relief Valve Repair
63
Pressure Limiter Repair
63
Torque Chart
65
Fasteners and Plugs
65
Fastener Size and Torque Chart
66
Plug Size and Torque Chart
67

Danfoss H1P 053 Technical Information

Danfoss H1P 053 Technical Information (68 pages)

Axial Piston Single Pumps

Brand: Danfoss | Category: Water Pump | Size: 8.37 MB

Table of Contents

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