Getting Acquainted with your Heavy Duty Pressure Washer
MERLION PLUS - E500
STD04
Page 11 of 50
Machine Installation / setup
Make sure that the machine is operating on flat floor or
inclined not more than 10Deg.
The machine must be parked or securely tighten to structure.
Mount the supplied
½” high-pressure hose
onto the Water
Blaster onto ½” high-pressure fitting on the HP Water Outlet
as labelled.
Prepare the water supply by attaching water hose to the
supplied Low pressure Inlet (Crawl Coupling), as labelled
.
Turn on the water supply tap and fill the water tank with water.
When water tank is full, the water will be cut off to prevent
overflow.
Connect the main power cord to a grounded 3-phase main power supply. Turn on the power and
the Water Blaster. Ensure the motor and pump turns anti-clockwise (view from motor fan end)
indicated by the arrows on the coupling cover.
When machine is power up, water will to start flowing out from the machine. This is to ensure
pump is free from air pockets which would result in cavitation.
Next, power off machine and mount the Trigger Gun with Lance to the other end of the ½” high-
pressure hose. Always use two wrenches when tightening the hoses.
Switch on the motor and allow it a few seconds for the star delta connection to switch over
automatically. The Water Blaster is now ready for operation. Get a firm grip with both hands on
the spray-gun handle and the lance. Press the trigger and start blasting.
After shut down of the Water Blaster, always release the pressure inside the high-pressure hoses by
pulling the trigger on the spray-gun before dismantling the high-pressure hoses.
CAUTION
It is NOT allowed to connect this Heavy Duty Pressure washer directly to a
portable water supply! If portable water is used, it is strictly necessary to
include a water break tank in accordance to EU standards EN 1717
Make sure your local power supply specifications are in accordance with the
motors specification Refer to the ID-plate located at the electrical box or
frame. Do not let the machine recycle the water (running with Spray-gun
trigger not activated) for more than 10 minutes; this can cause serious damage
to the seals
