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DESCRIPTION
The Gaylord Ventilator detergent pump is an integral part of the
wash-down system of The Gaylord Ventilator. The pump is
located within the control cabinet unless otherwise specified.
(Refer to schematic on Pages 26 through 29.)
OPERATION
The detergent pump is started when the wash cycle begins.
The pump draws detergent up from the detergent tank, pushing
it through the copper tubing and into the hot water line serving
the ventilator.
NOTE: Some control cabinets are equipped with a low
detergent switch. If so equipped, the "Wash On" light will
flash if the detergent tank is empty or if the detergent pump is
malfunctioning and detergent is not pumping.
Initial Operation
To prime and operate the pump for the first time, it is
recommended that water be used instead of detergent to
prevent detergent from spilling in case of leaks at the system's
fittings.
Priming The Pump
The detergent pump is self-priming. Push the pump test
switch, located on the junction box of the motor, and hold down
until liquid climbs up the vinyl tubing and fills the pump head.
The pump will be operating properly when both upper and lower
poppet checks can be seen moving up and down slightly. If the
pump does not self-prime, an air lock may have developed
within the pump head and the following action should be taken:
1. Hold down pump test switch and loosen top cap slightly to
allow air to be pushed out. Repeat as necessary until liquid
climbs up tube and fills pump head.
2. If the pump still does not work properly, check the following:
A. Foot valve should be clean and immersed in the liquid.
B. Check all fittings to ensure an airtight system.
C. Poppet checks within the foot valve, pump head and
brass check valve should be clean and operating freely.
D. Detergent lines should be free and clear.
DETERGENT FLOW
Detergent flow is initially factory set according to the pipe size
of the control cabinet (refer to chart). Generally, the factory
setting will be sufficient to provide adequate cleaning of the
ventilator. However, adequate cleaning is dependent upon a
number of factors:
1. Temperature of hot water
2. Water pressure
3. Daily grease accumulation
4. Wash cycle time
Depending upon these factors, it may be necessary to adjust
the detergent flow. Adjustment may be accomplished by
changing the cam to a different size. To change the cam:
1. Loosen Allen set screw on brass cam.
2. Remove cam and replace with next size as required.
3. Cam #1 minimum setting. Cam #4 maximum setting.
NOTE: Cams are available from Gaylord Industries or your
Gaylord Certified Service Agency.
DETERGENT PUMP OPERATION
5. Frequency of wash
cycle
6. Type of detergent
PREVENTIVE MAINTENANCE
As with any piece of fine equipment, a reasonable amount of
care must be taken to keep it in good working order:
1. Caution should be taken not to spill detergent on the
exterior of the pump.
2. A periodic check should be made of all fittings
to guarantee their tightness.
NOTE: The detergent pump motor has sealed bearings and
will not require lubrication.
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