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COMMISSIONING, START-UP, OPERATION, AND SHUTDOWN
START-UP, OPERATION, SHUTDOWN
Before attempting to start your pump, the following must be
understood and followed to ensure safe operation.
BEFORE STARTING THE PUMP
Ensure all unnecessary personnel are clear of the area.
Both standard and self priming pumps must have fluid in the
pump cavity at startup.
For initial setup and test of your system, it is recommended
to start with clean water instead of chemicals, and confirm
the system and plumbing connections are leak free.
Ensure that there is fluid in the source tank or supply line. Do
not run dry.
Check line strainer for debris or clogs. Remove any found.
Check all plumbing connections to make sure they are tight.
Check power source and connections.
Check that all valves and regulators are set to the desired
setting and are functioning properly.
Ensure all hoses are properly positioned and are not damaged
in any way.
PRIMING THE PUMP
To help prime the pump, keep the inlet or suction line as short as
possible with a minimum of bends, elbows, and kinks. Make sure
all connections are tight and do not leak air. The pump must have
the inlet line and pump flooded with liquid before starting the
pump.
For initial use of the self-priming Cobalt pump, first fill the pump
cavity with fluid manually. After the initial manual fill, the pump
will self-prime.
On pumps with Wet Seal Technology, dry run cannot exceed 15
minutes in one single event, or there is a risk of damage to the
pump.
14
STARTING, OPERATION, AND SHUTDOWN THE HYDRAULIC
PUMP
OPEN CENTER SYSTEMS - ALL MODELS
Adjusting Centrifugal Pump Output
ATTENTION M08, M10, and M16 motors have bypass screw fully
closed from the factory. M04 and M05 motors have bypass screw set
at 1-1/2 turns from fully closed from the factory.
1.
Open the bypass adjustment screw 2-1/2 turns from fully closed
and secure it in place with the bypass jam nut.
2.
Start the tractor. Leave the directional valve in the neutral
position and allow hydraulic oil to circulate for approximately 10
to 15 minutes or until adequately warmed.
3.
Prime the centrifugal pump with all valves open. (See Priming
the Pump.)
4.
Refer to sprayer manufacturer's manual to set spraying
pressure and flow. To change the flow or pressure generated
by the pump, turn the bypass screw on the hydraulic motor. Be
sure to secure the bypass jam nut after any adjustment.
5.
To shutdown, return directional valve to neutral and allow the
pump to come to a gradual stop.
When bypassing hydraulic oil, a large amount of heat can be
generated which will damage the tractor's hydraulic system. Be sure
to monitor the oil temp when bypassing hydraulic oil.
CLOSED CENTER (PRESSURE-COMPENSATED) - M04 AND
M05 MODELS ONLY
Adjusting Centrifugal Pump Output
1.
Open the bypass adjusting screw in the hydraulic motor three (3)
turns and secure it in place with the bypass jam nut.
2.
Start the tractor and allow hydraulic oil to circulate for
approximately 10 to 15 minutes or until adequately warmed
3.
Close and lock down the bypass adjusting screw in the hydraulic
motor.
4.
Prime the centrifugal pump with all valves open. (See Priming
the Pump.)
5.
Refer to sprayer manufacturer's manual to set spraying
pressure and flow. To change the flow or pressure generated by
the pump, slowly adjust tractor's flow control valve.
6.
To shutdown, the pump move the selector for the tractor spool
valve to the float position and allow the pump to come to a
gradual stop.
If the pump is not brought to a gradual stop, the sudden
change in hydraulic pressure and pump RPM could cause damage to
the pump's drive system.
L-1578 (08-15-2023)
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