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160B&C TM
800-00140
RELIEF VALVES
RELIEF VALVES
RELIEF VALVES
RELIEF VALVES
RELIEF VALVES
The Relief Valve portion of the control valves in your Barko Loader limit the flow of hydraulic oil, which relieves
the excess pressure in the hydraulic system, if for any reason pressure is built up above a predetermined, safe,
maximum.
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
The relief valve pressure setting has been arrived
The relief valve pressure setting has been arrived
The relief valve pressure setting has been arrived
The relief valve pressure setting has been arrived
The relief valve pressure setting has been arrived
at by our engineers after considerable experience
at by our engineers after considerable experience
at by our engineers after considerable experience
at by our engineers after considerable experience
at by our engineers after considerable experience
with and testing of this loader. The setting will
with and testing of this loader. The setting will
with and testing of this loader. The setting will
with and testing of this loader. The setting will
with and testing of this loader. The setting will
provide maximum safety and efficiency of operation.
provide maximum safety and efficiency of operation.
provide maximum safety and efficiency of operation.
provide maximum safety and efficiency of operation.
provide maximum safety and efficiency of operation.
DO NOT ALTER THIS RELIEF SETTING! Relief settings
DO NOT ALTER THIS RELIEF SETTING! Relief settings
DO NOT ALTER THIS RELIEF SETTING! Relief settings
DO NOT ALTER THIS RELIEF SETTING! Relief settings
DO NOT ALTER THIS RELIEF SETTING! Relief settings
increased beyond this setting could be dangerous
increased beyond this setting could be dangerous
increased beyond this setting could be dangerous
increased beyond this setting could be dangerous
increased beyond this setting could be dangerous
to life, limb and property.
to life, limb and property.
to life, limb and property.
to life, limb and property.
to life, limb and property.
Altering the settings on a new machine will void
Altering the settings on a new machine will void
Altering the settings on a new machine will void
Altering the settings on a new machine will void
Altering the settings on a new machine will void
the warranty.
the warranty.
the warranty.
the warranty.
the warranty.
The following is a list of pressure settings used on your Barko Loader. Any questions should be directed to the
factory. Phone 715-392-5641.
THE BOOM AND GRAPPLE FUNCTION VALVES:
THE BOOM AND GRAPPLE FUNCTION VALVES:
THE BOOM AND GRAPPLE FUNCTION VALVES:
THE BOOM AND GRAPPLE FUNCTION VALVES:
THE BOOM AND GRAPPLE FUNCTION VALVES:
Main Boom - up (butt end of main boom cylinder) ............................ 3000 PSI
at the Port Relief
Main Boom - down (rod end of main boom cylinder) ........................ 600 PSI
at the Port Relief
Stick Boom - up (butt end of stick boom cylinder) ............................ 3000 PSI
at the Port Relief
Stick Boom - down (rod end of stick boom cylinder) ........................ 3000 PSI
at the Port Relief
Both Main Reliefs ............................................................................. 2200 PSI
THE SWING SYSTEM:
THE SWING SYSTEM:
THE SWING SYSTEM:
THE SWING SYSTEM:
THE SWING SYSTEM:
Machines
Machines
Machines
Machines
Machines without
without
without
without
without dual pressure system:
dual pressure system:
dual pressure system:
dual pressure system:
dual pressure system:
Swing System (at port reliefs) ................................ 2400 PSI Right
Swing System (at port reliefs) ................................ 2400 PSI Left
Machines
Machines
Machines
Machines
Machines with
with
with
with
with dual pressure system:
dual pressure system:
dual pressure system:
dual pressure system:
dual pressure system:
Swing Accelerating pressure ................................. 3000 PSI
Swing Braking pressure ......................................... 2000 PSI
THE SERVO SYSTEM:
THE SERVO SYSTEM:
THE SERVO SYSTEM:
THE SERVO SYSTEM:
THE SERVO SYSTEM: (when applicable)
(when applicable)
(when applicable)
(when applicable)
(when applicable)
At the Servo Relief Valve ............................ 500 PSI
GRAPPLE ROTATE PRESSURE:
GRAPPLE ROTATE PRESSURE:
GRAPPLE ROTATE PRESSURE:
GRAPPLE ROTATE PRESSURE:
GRAPPLE ROTATE PRESSURE:
See Grapple Information later in this manual.
HYDRAULIC PRESSURE SETTINGS
HYDRAULIC PRESSURE SETTINGS
HYDRAULIC PRESSURE SETTINGS
HYDRAULIC PRESSURE SETTINGS
HYDRAULIC PRESSURE SETTINGS
