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SET-UP AND OPERATION
1200PSI HIGH PRESSURE WASHER
CAUTION!
Use care when handling hazardous chemicals.
Never leave the machine running when you are not actively using it.
Always use a defoamer when foaming occurs to prevent vacuum motor damage.
DANGER!
Do NOT use solvents, or any chemicals that may be fl ammable, explosive or combustible.
CLEANING SOLUTIONS:
Select a proper pre-spray for the surface to be cleaned, and apply the pre-spray. Use a neutral pH rinse or detergent (6 to 10 pH) in the King Cobra to prevent
premature wear of the pumps, seals, and other components. Damage caused by the use of improper or strong chemicals is not covered by warranty. Powdered
chemicals are not recommended.
1
Before each use, inspect the machine, hoses, and cleaning tools for cleanliness and completeness. Make sure the hoses are in good condition and the
spray nozzle(s) is tight. Be sure the Pre-Filter Bag (27) and the Dump Pump Inlet Filter (25) are installed and are clean.
2
When not using the auto-dump feature, make sure the brass cap is screwed tightly on the Dump Hose Connection (18) on the dump pump on the rear of the
machine. If you choose to use the auto-dump, connect the dump hose to the Dump Hose Connection (18) on the back of the dump pump, and place the
open end of the hose in a drain. Make sure the Recovery Tank Drain Hose (17) is closed, and the Recovery Tank Lid (2) is closed tight.
REFER TO THE AUTO-FILL AND AUTO-DUMP INSTRUCTIONS ON THE FOLLOWING PAGES.
3
If you choose to use the auto-fi ll feature, connect the fi ll hose to the Auto-Fill Hose Connector (7). Turn on the water source, and allow the tank to fi ll with
water. When using the auto-fi ll system, the auto-fi ll fl oat will automatically turn on and turn off as the tank empties and then fi lls. NOTE: If you are not going
to use the auto-fi ll system, just fi ll the tank with water and cleaning chemical. Follow chemical directions regarding dilution and mixing. Do not use harsh
chemicals; they may damage seals in pumps and valves, and cause the pump to wear prematurely.
NOTE: using warm water in the tank may improve the effi ciency of the heat exchanger when cleaning with heat, but never use water with a temperature
exceeding 130 °F / 54 °C.
REFER TO THE AUTO-FILL AND AUTO-DUMP INSTRUCTIONS ON THE FOLLOWING PAGES.
4
Pre-spray the area to be cleaned, with a pump-up sprayer, while the tank is fi lling. Follow chemical directions.
5
Plug in the two power cords (22). Do not connect both cords to the same outlet. The green, 'separate circuit' locator light (A) on the switch plate should light
up. If the locator light does not come on, check the circuit breaker box in the wall, and/or try different outlets until it does turn on. Although all systems in
the machine may work correctly if you are not on two circuits, a circuit breaker in a wall panel may trip. If you make sure the green light is turned on, you will
prevent tripped circuit breakers. Turn on the 1200 PSI pump by placing the HIGH PRESSURE/HEAT Switch (B) in the UP position, to select the 1200 PSI
Pump.
NOTE: This switch is off when it is set to the middle position and neither the 1200PSI pump nor the heater are selected. The heater and the 1200PSI pump
cannot operate at the same time.
6
Prime the 1200 psi pump using the 'power prime' system. Turn on both the pump (B) and the vacuum (D), cover the Vacuum Hose Connection (1) on the
top of the machine with your hand, then depress the Power Prime Pedal (20). This will pull trapped air through the pump and into the recovery tank, priming
the pump. You should notice a change in the 'tone' of the pump (smoother, with less rattle), and the water being pulled into the recovery tank will change
from a white, sputtering fl ow to a clear, solid stream. NOTE: Priming requires a full Holding Tank (14), and it may take between 20 to 90 seconds. Once the
pump has primed, release the Power Prime Pedal (20), and turn both the pump (B) and the vacuum (D) off. Momentarily depress the Power Prime Pedal
(20) again after the pump has stopped running to release any built-up back pressure.
7
Your machine has two solution outputs. The solution output for the 1200 psi pump is a quick disconnect (6) located just above the fi ll hole on the Holding
Tank, on the front face of the machine (the 500 psi outlet is a quick disconnect (10) on the end of a short length of hose, on the front of the base section of
the machine). Attach the Solution Hose (24) from the reel to the 1200PSI Quick Connect (6). Attach the Vacuum Hose (28) on the reel to the Vacuum Hose
Connection (1). Pull the hoses out from the reel. Attach the other ends of the hoses to the cleaning tool.
8
Turn on the vacuum (D) and turn on the dump pump (F). Begin cleaning.
NOTE: The dump pump will automatically turn on and turn off as the tank fi lls and then empties (refer to drawings on following pages).
9
When fi nished with the job, turn off the water source (if using Autofi ll).
ELECTRIC CIRCUIT LOCATOR: This system will inform the operator when the two cords are plugged into separate circuits by turning on the green, circuit
locator light (A). This helps to prevent tripping circuit breakers.
NOTE: If the green circuit locator light (A) does not illuminate when the cords are plugged in, then both cords are on the same circuit. Try other outlets with one
of the cords until you get the locator light to come on.
A-8
INSTRUCTIONS FOR USE
KING COBRA
1200 PRO - 56041959
®
3/10
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