10,000 hours of operation
Or once per year, change seal fluid. Use DEKKER
Vmaxol
seal fluid. Life of
Standard Vmaxol
is
10,000
hours of operation.
Synthetic/Food grade Long-life Vmaxol
may be changed every
15,000
hours of
operation or once a year, whichever comes first.
Change separator element if back- pressure exceeds 4 psig.
Check coupling element for wear. Replace if worn.
Clean strainer in seal fluid line.
30,000 hours of operation
Or every 5 years, it is recommended that you replace the vacuum pump’s mechanical seals and bearings
as preventative maintenance. This should be done by a DEKKER authorized distributor or properly trained
service technician.
ELECTRICAL CONTROLS (if included)
♦
Disconnect Handles
: must be turned on to energize the system. The handles must be turned off to
open control panel.
♦
CAUTION: High voltage, main disconnect must be off when servicing panel.
♦
HOA (Hand-Off-Auto) Selector Switches:
are supplied only if vacuum switches are supplied. Pump
units will start in HAND mode (unless units are in a shutdown alarm condition). The pumps will bypass
vacuum switches. AUTO mode, allows units to start upon contact closure of the vacuum switch.
♦
Stop/Start Push Buttons:
are included if HOA selector switch is not installed.
♦
Reset Button:
is used to reset the starter overloads.
♦
Power On Light:
indicates that power is on in panel.
♦
Pump Running Light:
indicates a pump is operating.
♦
High Temperature Overload Light:
indicates a pump has overheated and shuts the pump down.
The ALARM RESET button needs to be pressed to reset the alarm condition. If high temperature
condition has not been fixed, the alarm will not reset.
♦
High Back-pressure Light:
indicates the exhaust filter element in the vacuum pump needs to be
replaced. Alarm does not shut down the pump. Replace element as soon as possible.
♦
Transformer Failure Light:
indicates transformer failure. If alternate transformers are included in the
panel, the alternate transformer will pick up. The pump will shut down if only one transformer is
present and fails.
♦
Lag Pump In Operation Light:
When the light illuminates, the lag pump is in operation.
♦
Audible Alarm:
signals that the lag pump is in operation. The alarm can be silenced by pressing the
ALARM SILENCE button. The audible alarm may also be used to signal other alarm conditions, such
as high temperature, low oil level or high back pressure.
♦
Alarm Silence Button:
is used to silence the audible alarm, but the light will remain on unless alarm
condition has been corrected.
♦
Alarm Reset Button:
is used to reset an alarm condition when the condition has been rectified. The
ALARM RESET button will stop the light and alarm if alarm condition has been corrected.
♦
Hour Meter:
is a running clock that indicates how many hours each pump has been operating. It
should be used to determine when the oil in the pump and the discharge filter element needs to be
replaced. See Maintenance Schedule (page 9) for oil life.
ACCESSORIES AND PROTECTIVE DEVICES (if included)
Accessories
The following accessories are available for
Vmax
oil-sealed liquid ring vacuum pump systems.
♦
Flexible Connectors (optional):
are used in piping systems to eliminate vibration transmission from
machinery throughout the piping network. If ordered, DEKKER uses braided flexible connectors on the
Vmax
oil-sealed vacuum pump systems.
Dekker Vacuum Technologies, Inc. – Vmax/13
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