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Danfoss
Water Pump
H1
Danfoss H1 User Manual
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045-053 tandem schematic
C1
C1
C2
C2
M14
M14
CW
F00B
F00A
F00B
F00A
A
B
MA
E
C
D
MD
MB
M3
L3
MC
M4
M5
M4
M5
PTO
X7
060/068 schematic
M5
M4
A
MA
MD
D
B
MB
MC
C
M5
M4
H1 T
andem
E
M3
ccw
flow out B
flow out D
C1
C2
M14
C1
C2
M14
1
2
Supply/Ground
CONTROL SOLENOID
C1
Ground/Supply
1
2
Supply/Ground
Ground/Supply
CONTROL SOLENOID
C2
1
2
Supply/Ground
CONTROL SOLENOID
C2
Ground/Supply
1
2
Supply/Ground
Ground/Supply
CONTROL SOLENOID
C1
X7
1
2
Supply/Ground
Ground/Supply
CC
O SOLENOID
1
2
Supply/Ground
Ground/Supply
BRAKE SOLENOID
L1
L3
P109541
Solenoid data
Description
12 V
24 V
Minimum supply voltage
9 V
DC
18 V
DC
Maximum supply voltage (continuous)
16 V
DC
32 V
DC
S
e
r
v
i
c
e
M
a
n
u
a
l
H
1
4
5
/
5
3
/
6
0
/
6
8
T
a
n
d
e
m
C
l
o
s
e
d
C
i
r
c
u
i
t
A
x
i
a
l
P
i
s
t
o
n
P
u
m
p
s
Operation
18 |
©
Danfoss | June 2018
520L0928
|
AX00000103en-US0303
17
19
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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