
Chapter 3 Parts
55
Proportional Actuator System Specifications (77441178)
The electro-hydraulic proportional actuator has closed-loop position control of the valve spool
stroke and integrated hydraulics.
ELECTRICAL SPECIFICATIONS
SUPPLY VOLTAGE
9-30 VDC
MAXIMUM CURRENT
DRAW
750 MA / SECTION
MAXIMUM POWER
ABSORPTION
8 WATTS
INPUT IMPEDANCE
40 K OHM
VOLTAGE CONTROL
RANGE
NEUTRAL: 2.5 VOLTS +/- 0.1 VOLTS AT REST (0.5 VOLTS
TOTAL DEAD ZONE)
NEUTRAL TO MAX STROKE A: 4.1 VOLTS (DO NOT
EXCEED 4.75 VOLTS)
NEUTRAL TO MAX STROKE B: 0.9 VOLTS (DO NOT DROP
BELOW 0.25 VOLTS)
10 AMP FAST TYPE FUSE MUST BE USED (FOR #1 POWER
SOURCE) WHERE CONTROL DOES NOT PROVIDE
PROTECTION
HYDRAULIC SPECIFICATIONS
MAXIMUM SUPPLY
PRESSURE
508 PSI (35 BAR)
MINIMUM SUPPLY
PRESSURE
174 PSI (12 BAR)
MAXIMUM BACK
PRESSURE
22 PSI (1.5 BAR)
PILOT FLOW
REQUIREMENT
0.05 GPM (0.2 LPM)
OIL TEMPERATURE
RANGE
- 4 - + 203 ° F (-20 - + 95 ° C)
OIL VISCOSITY RANGE
3 cSt - 650 cSt
FILTRATION
18/15 (ISO 4406)
Summary of Contents for EZ Hauler 4100
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Page 13: ...Chapter 2 Specifications 11 Geometric Configuration 28 10 5 11 41 4 4 3 4 5 8 35 7 34 4 ...
Page 27: ...Chapter 3 Parts 25 Valvebank 70733995 Drawing not available at time of printing ...
Page 30: ...28 EZ Hauler 4100 Manual Part 99903718 Boom Assemblies Cylinders BoomAssembly 99903706 ...
Page 44: ...42 EZ Hauler 4100 Manual Part 99903718 Hydraulics Hydraulic Layout 99903715 ...
Page 47: ...Chapter 3 Parts 45 Hydraulic Schematic 99903702 ...
Page 61: ...Chapter 3 Parts 59 Wiring Schematic Radio Remote 99903721 2 ...
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Page 75: ...Chapter 4 Crane Reference 73 X R CA ITEM EXPLANATION DATE CORRECTED ...