General Safety Information
1. Follow all local electrical and safety codes, as well as
the National Electrical Code (NEC) and the Occu-
pational Safety and Health Act (OSHA).
2. For Single Phase Motors use 3-wire cords with 3-prong
grounding type plugs.
3. Make certain that wire size is adequate for horsepower
requirements.
NOTE: Voltage drop increases with the length of power
cord. Larger wire diameter may be required.
READ CAREFULLY BEFORE ATTEMPTING TO ASSEMBLE, INSTALL, OPERATE OR MAINTAIN THE PRODUCT
DESCRIBED. PROTECT YOURSELF AND OTHERS BY OBSERVING ALL SAFETY INFORMATION. FAILURE TO COMPLY
WITH INSTRUCTIONS COULD RESULT IN PERSONAL INJURY AND/OR PROPERTY DAMAGE!
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.
OPERATING INSTRUCTIONS & PARTS MANUAL
1-5 HP AC HYDRAULIC
POWER UNITS
MODELS 10591, 10592 AND 10593
Figure 2 — Dimensions
Figure 1
BARNES OIPM P/N_________________
Description
Haldex hydraulic power units are designed specifically to
operate on AC electric power. Each power unit is a custom
selected assembly consisting of a high performance
hydraulic pump, reservoir, motor, manifold interface block,
relief valve, pressure gauge and oil level sight gauge with
thermometer. They are controlled with NFPA D03 (D01)
directional control valves. Manifold and valve sold sepa-
rately. The power units can be coupled via suitable
hydraulic lines to a wide range of operating mechanisms.
They normally operate hydraulic cylinders, but can be used
with any other hydraulic actuating device.
Unpacking
Check unit for any shipping damage. The contents of the
carton will include (1) AC hydraulic power unit fully assem-
bled and tested. If there is any noticeable damage, please
contact the office where item was purchased.
Specifications
All units have:
• Totally enclosed fan cooled motors
• Motors have continuous horsepower ratings (see chart)
• Adjustable relief valve preset at factory
• Reservoirs plumbed for vertical mount
• 5 & 15 gallon rectangular reservoir
• 100 mesh inlet strainer
AC HYDRAULIC POWER UNIT PERFORMANCE
MAXIMUM
STOCK NOMINAL OPERATING MOTOR VOLTS
NO. GPM PSI HP PHASE 60 HZ RPM
10591 1 1/2 2000 2 1 115/230 1725
10592 2 1500 2 3 230/460 1725
10593 3.5 2000 5 3 230/460 1725
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