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51-HB
Danfoss 51-HB Manuals
Manuals and User Guides for Danfoss 51-HB. We have
1
Danfoss 51-HB manual available for free PDF download: Service Manual
Danfoss 51-HB Service Manual (40 pages)
Hydraulic Proportional Controls
Brand:
Danfoss
| Category:
Controller
| Size: 1.53 MB
Table of Contents
Table of Contents
3
Safety Precautions
5
Unintended Machine Movement
5
Flammable Cleaning Solvents
5
Fluid under Pressure
5
Personal Safety
5
Hazardous Material
5
Symbols Used in Danfoss Literature
6
Overview
6
General Instructions
7
Keep It Clean
7
Inspect for System Contamination
7
Replace the O-Rings and Gaskets
7
Lubricate All Moving Parts
7
Torque Procedure
7
General Description
7
Overview
7
Threshold and Ramp Springs
7
Multiblock
8
Pressure Compensator Override (PCOR) Function
8
Brake Pressure Defeat (BPD) Option
9
Pressure Measurements
10
Port Locations and Gauge Installation
10
Adjustments
11
Threshold Setting
11
Checking Threshold Setting
11
Adjusting Threshold Setting
11
Pressure Compensator Override (PCOR) Setting
12
PCOR Adjustment
12
Checking PCOR Setting on a Test Stand
13
Adjusting the PCOR Setting
13
Pcor
14
Optional PCOR Housing
14
Disassembly
14
Inspection
14
Assembly
14
Multifunction Block
16
Optional Multifunction Block
16
Disassembly
16
Inspection
17
Assembly
17
HZ, HA, HB, HE Controls
18
Operation
18
Functional Description
18
HZ Control
18
HA and HB Controls
18
HE Control
18
Repair
19
Disassembly
19
Inspection
20
Assembly
20
HS Control
21
Operation
21
Functional Description
21
Repair
21
Disassembly
21
Inspection
22
Assembly
22
H1, H2, K1, K2 Controls
23
Operation
23
Functional Description
23
Solenoid Valve
23
Repair
23
Removing Solenoid Valve
24
Disassembly
24
Inspection
24
Assembly
24
Installing Solenoid
24
HP Controls
25
Operation
25
Functional Description
25
HP Control
25
Shuttle Valve
25
Connecting Pin
25
Repair
26
Disassembly
26
Inspection
27
Assembly
27
HC Controls
28
Operation
28
Functional Description
28
Check Valve
28
Shuttle Valve
28
Connecting Pin
28
Repair
28
Diassembly
28
Inspection
29
Assembly
31
J1, J2, J3, J4 Controls
32
Operation
32
Functional Description
32
Solenoid Valve
32
Repair
33
Removing the Solenoid Valve
33
Disassembly
34
Inspection
34
Assembly
35
Installing the Solenoid Valve
35
JA Control
36
Operation
36
Functional Description
36
Signal Pressure
36
Repair
36
Disassembly
36
Inspection
38
Assembly
38
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