ELECTRICAL SPECIFICATIONS
MOTOR
American Bosch M0551046A
No load (motor not attached to pump)
NOTE: Do not operate motor continuously for
more than 30 seconds.
Applied Voltage 12 Volts DC
Max. Current Draw 24 Amperes
Speed (Min.) 5900 RPM
Under load (pump operating in relief)
NOTE: Do not operate motor continuously for
more than 5 seconds.
Applied Voltage 12 Volts DC
Max. Current Draw 230 Amperes
ISKRA AMJ4739 12V.
No load (motor not attached to pump)
NOTE: Do not operate motor continuously for
more than 30 seconds.
Applied Voltage 12 Volts DC
Max. Current Draw 150 Amperes
Speed (Min.) 3,200 RPM
Under load (pump operating in relief)
NOTE: Do not operate motor continuously for
more than 5 seconds.
Applied Voltage 12 Volts DC
Max. Current Draw 230 Amperes
SOLENOID VALVES “A”, “B” AND “C”
“A” Coil
Applied Voltage 12 Volts DC
Current Draw 1.2 Amperes
Nominal resistance (ohm meter lead connected
to coil lead, other meter lead connected to metal
coil cover) 9.6 ohms ± 10% Plastic cover Coil
10.0 ohms ± 10%
”B” and “C” Coils
Applied Voltage 12 Volts DC
Current Draw 1.24 Amperes
Nominal resistance (ohm meter lead connected
to coil lead, other meter lead connected to metal
coil cover) 3.73 ohms + 3%.
SOLENOID SWITCH
Applied Voltage 12 Volts DC
Max. Current Draw 5 Amperes
Nominal resistance (ohm meter lead connected to coil
lead, other meter lead connected to metal foot)
2.65 to 4.5 ohms.
HYDRAULIC SPECIFICATIONS
PUMP - Pressure Output
E-46, E-47 (Relief Valve setting) 1650 + 50 P.S. I.
E-57 Non Adjustable 2000 P.S.I.
CROSSOVER RELIEF VALVE
Opening Pressure 3800 + 400 P.S.I.
HYDRAULIC FLUID CAPACITY
NOTE :1 Quart = 32 Fluid Ounces
Model E-46 27 oz.
Model E-46H 1 qt., 3.5 oz.
(35.5 oz.)
Model E-47 & E-57
Unit 28 oz.
Hoses & 1-1/2 x 10 Cylinders 16 oz.
Total 1 qt., 12 oz.
(44 oz.)
Model E-47 & E-57
Unit 28 oz.
Hoses & 1-1/2 x 12 Cylinders 19 oz.
Total 1 qt., 15 oz.
(47 oz.)
Model E-47H & E-57H
Unit 1 qt., 4.5 oz.
(36.5 oz.)
Hoses & 2 x 12 Cylinders 28 oz.
Total 2 qt., .5 oz.
(64.5 oz.)
Model E-57H (MDII)
Unit 1 qt., 4.5 oz.
(36.5 oz.)
Hoses & 1-1/2 x 10 Cylinders 16 oz.
Total 1 qt., 20.5 oz.
(52.5 oz.)
TORQUE SPECIFICATIONS
Thread Torque
Size (In. Lbs.)
Reservoir Cover
Retaining Nuts 5/16-24 100-125
Pump Assembly
Retaining Nuts/Cap Screws 5/16-24 100-125
End Plate or Valve Block
Retaining Cap Screws 5/16-18 96-120
Motor to Pump Retaining
Cap Screws 1/4-20 45-55
Drain and Filter Plugs 1/2-20 75-85
-53
SPECIFICATIONS