INSPECTION:
Carefully unpack and inspect your KING COBRA-500 for shipping damage. Each machine is tested and
inspected before shipping. Any shipping damage incurred is the responsibility of the carrier. You should notify
the carrier immediately if you notice damage to the box or to the machine or parts.
CLEANING SOLUTIONS:
We recommend liquid cleaning chemicals. Powder chemicals may be used, but unless mixed very thoroughly
they could cause a build-up in the pump, lines, heat exchanger and/or quick disconnects. Any problem
caused by a chemical build-up is not covered by warranty. Use a neutral cleaner with a pH between 6 and 9
to avoid premature wear of the pump, seals, and/or other components. Damage caused by the use of
strong chemicals is not covered by the warranty
.
MAINTENANCE:
For optimum performance flush the machine with clear water at the end of each working day. Once a
month, minimum, run a flushing compound through the machine to break up any mineral or chemical build-
up that may have formed. U.S. Products “X-1500” is recommended. The vacuum motor, pump motor, and
the pump do not require any scheduled maintenance; however, the motors may require replacement brushes
after 1000 - 1500 hours. The pump may require rebuild kits after 1000 - 1500 hours, typically, and the
pump unloader valve may need to be replaced after approximately 1000 - 1500 hours of use.(refer to
machine part list for numbers). Clean the body with an all purpose detergent, and protect it with an
automobile interior polish. Lubricate the wheels, castors, and quick disconnects with an all purpose silicone
spray.
Recovery
Tank Lid
Switch
Plate
Vacuum Hose
Connection
Solution Hose
Connection
Vacuum
Hose and
Solution
Hose on
Reel
Latch
10 Inch
Wheel
Pressure
Gauge
4 inch
Castor
Solution Tank
Lid
Dump Hose
(on rear of
machine)
U. S. PRODUCTS
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