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Danfoss
Water Pump
Series 45
Danfoss Series 45 User Manual
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PC control adjustment
4 mm
7 - 11 N•m [6 - 8 lbf•ft]
Gauge M2
0 - 300 bar [0 - 4351 psi]
9/16-28
34-68 N•m [25-50 lbf•ft]
P104053
0 - 10 bar [0 - 145 psi]
7/8-14
54 - 136 N•m
[40 - 100 lbf•ft]
Case drain port L1
PC set screw
6 mm
PC adjusting plug
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Adjustments
©
Danfoss | September 2016
AX00000024en-US0401 | 25
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Table of Contents
Default Chapter
3
Table of Contents
3
Overview
5
Safety Precautions
5
Unintended Machine Movement
5
Flammable Cleaning Solvents
5
Fluid under Pressure
5
Personal Safety
5
September
5
Symbols Used in Danfoss Literature
6
General Description
7
System Circuit
8
Technical Specifications
9
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
Hydraulic Parameters
11
Inlet Pressure
11
Pressure Compensator Valve Setting
11
Case Pressure
11
Hydraulic Fluid
11
Temperature Range
11
Fluid Viscosity
11
Filtration
11
Features
12
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
18
Required Tools
18
Port Locations and Gauge Installation
18
Initial Start-Up Procedures
19
General
19
Start-Up Procedure
19
Fluid and Filter Maintenance
20
Recommendations
20
Troubleshooting
21
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
PC Control
24
LS Control
26
Displacement Limiters
27
Minor Repair
29
Shaft Seal Replacement
29
Removal
29
Installation
29
Auxiliary Pads
30
Removal
30
Installation
30
LS and PC Controls
30
Disassembly
30
Inspection
31
Reassembly
32
Electric Controls
34
Disassembly
34
Inspection
34
Reassembly
35
Electronic Torque Limiting Control
36
Repair
36
Angle Sensor
37
Removal
37
Inspection
37
Reassembly
38
Servo Control Orifice
39
Plug and Fitting Sizes and Torques
40
4
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Danfoss Series 45 Specifications
General
Brand
Danfoss
Model
Series 45
Category
Water Pump
Language
English
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