Diamond Products CB35BV-XL - Manual (Page 25)

Heating Cold Oil: Forcing the oil over
relief will quickly increase the oil
temperature. With no tool connected to the
unit, move the valve setting toward 10.
This will force an increasing percentage of
oil over relief. Heat cold oil to room
temperature or ~100F/38C maximum. Cold
oil greatly increases pressure loss in hoses
and fittings and may affect tool operation.
Maintaining Oil Temperature: With an
ample water supply and the radiator, it is
unlikely overheating will be an issue except
in the most extreme ambient temperatures.
To force high oil temperatures down, run
the unit with the flow control set to zero.
This unloads the unit yet circulates oil
through the cooling system. The rate of
cooling will depend on the ambient
temperature and how much water is being
passed through the cooler.
Some control valves at the external tool
may create backpressure and heat even
when off. It is best to set the flow control to
zero or shut the power unit down to avoid
heating and conserve energy.
IMPORTANT: Monitor the thermometer
at the top of the hydraulic tank.
Maximum recommended oil
temperature is 180 degrees Fahrenheit
(82 deg C).
Shutting Down:
 Shift the flow control valve to zero to
unload the system.
 Throttle the engine back to a low RPM.
 Turn the key to the off position.
IMPORTANT: The red stop button at the
front panel will immediately stop the
engine and radiator fan. Hydraulic
pressure and flow will go to zero. This
button must be in the out position to
start the engine.
OPERATING DRIVEN
EQUIPMENT
The operator must know the hydraulic
requirements and limitations of the driven
equipment and the appropriate
adjustments must be made on the controls.
The introduction of other control devices
may cause system heating or may render
the system inoperative.
IMPORTANT: This power unit is
equipped with a positive displacement
gear pump. All tools must be equipped
with a control valve that allows flow
directly to return ports when not in use.
Blocking oil flow or abruptly
disconnecting the tool can send flow
over relief and potentially overheat the
system.
Instructions supplied with the driven
equipment must be followed to ensure
correct connection and operation of each
individual piece of equipment. Equipment
supplied by Diamond Products will be
capable of being connected correctly and
will be compatible with this power unit,
providing neither has been modified from
original factory configuration. With
equipment of other manufacturers, it will be
necessary to determine the following:
 Correct direction of flow through the
equipment.
 Correct pressure and flow required by
the equipment.
 Compatibility of any valves or circuitry
and quick disconnects. Some hand-
held equipment uses a trigger control,
which is operated frequently. These
valves must be of the open center type
for correct operation.
IMPORTANT: The quick disconnects
must be clean when connecting hoses
and devices. Failure to thoroughly
clean may result in contamination and
premature failure of system or tool
components.
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