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Danfoss
Water Pump
H1
Danfoss H1 User Manual
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P106 146E
Slipper
Piston
Cylinder block
Swashplat
e
Rear shaft
Electric displacement control
S
ervo piston
V
alve plates
Shaft coupling
Swashplate feedback pin
Front sha
ft
Electric displacement control
S
ervo piston
Swashplate feedback pin
Piston
Slipper
Shaft seal
Swashplat
e
Cylinder block
Swashplate bearing
Swashplate bearing
Front shaft bearing
Center shaft bearings
Rear shaft bearing
Pump schematic
045/053 Tandem
P106 148E
M4
M5
M5
M4
M3
L2
L1
L3
MB
MC
MA
MD
C
D
B
A
E
X7
C1
C2
C1
C2
CW
CW
Flow
out C
Flow
out A
S
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M
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H
1
4
5
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5
3
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Introduction
8 |
©
Danfoss | June 2018
520L0928
|
AX00000103en-US0303
7
9
Table of Contents
Default Chapter
3
Table of Contents
3
Overview
5
Warranty
5
General Instructions
5
Remove the Unit
5
Replace All O-Rings and Gaskets
5
Safety Precautions
6
Unintended Machine Movement
6
Flammable Cleaning Solvents
6
Fluid under Pressure
6
Personal Safety
6
Symbols Used in Danfoss Literature
6
Design
7
Pump Schematic
8
The System Circuit
9
Operation
11
Pressure Limiter Valves (060/068 Only)
11
High Pressure Relief Valve (HPRV) and Charge Check
11
Charge Pressure Relief Valve
12
Electrical Displacement Control (EDC)
13
Manual Override (MOR)
14
Manual Displacement Control (MDC)
15
Control-Cut-Off (CCO) Valve and Brake Valve
17
Operating Parameters
20
Overview
20
Input Speed
20
System Pressure
20
Charge Pressure
20
Charge Inlet Pressure
21
Case Pressure
21
Temperature and Viscosity
21
Temperature
21
Viscosity
21
Technical Specifications
22
H1T General Specifications
22
Technical Data H1 Tandem
22
Operating Parameters H1 Tandem
23
Fluid Specifications
23
Fluid and Filter Maintenance
25
Fluid and Filter Recommendations
25
Hazardous Material
25
Pressure Measurements
26
Port Locations and Gauge Installation - 045/053
26
Port Locations and Gauge Installation - 060/068
27
Initial Startup Procedures
28
General
28
Start-Up Procedure
28
Troubleshooting
29
Overview
29
Safety Precautions
29
Electrical Troubleshooting
29
Neutral Difficult or Impossible to Find
30
System Operating Hot
30
Transmission Operates Normally in One Direction Only
30
System will Not Operate in Either Direction
30
System Noise or Vibration
31
Sluggish System Response
31
Adjustments
32
Pump Adjustment
32
Standard Procedures
32
Charge Pressure Relief Valve Adjustment
32
Charge Check / HPRV Adjustment
34
Pressure Limiter Adjustment (060/068 Only)
34
Engaging the Bypass Function (060/068 Only)
38
Displacement Limiter Adjustment
39
Control Neutral Adjustment
40
Mechanical Neutral Adjustment
42
Pump Setup
43
Servo Adjustment
44
Minor Repair
47
Standard Procedures, Removing the Pump
47
Electric Control Module
47
Control Solenoids
49
MDC Control
49
MDC Illustration - Tandems
50
MDC Legend - Tandems
50
Angle Sensor on EDC
52
Removal
52
Installation
52
EDC with Angle Sensor
53
Removal
53
Installation
53
Front Shaft, Seal, and Bearing
54
Charge Pump (045/053 Only)
56
Assembly
58
Charge Check / HPRV (45/53)
58
Hprv (60/68)
60
Removal
60
Inspection
60
Reassembly
60
Charge Pressure Relief Valve
61
Control Cutoff Valve and Brake Valve
63
Torque Chart
66
Fastener Size and Torque Chart
66
Plug Size and Torque Chart
66
Fasteners and Plugs
67
Other manuals for Danfoss H1
Basic Information
40 pages
Technical Information
68 pages
4
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Danfoss H1 Specifications
General
Brand
Danfoss
Model
H1
Category
Water Pump
Language
English
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