Airless spray guns operation ,

. Safety precautions
    1. As the airless paint sprayer is a high-pressure power tool, any inattention or improper operation, maintenance on your unit may result in equipment damage or severe personal injury. So before using your sprayer, make sure you read, fully understand, and will follow all the safety and operating instruc-tions given in this manual.
    2. Make sure the work area is in order, with no clutters, having sufficient visibility and be well ventila-ted.
    3. Make sure the sprayer and paint bucket is placed securely when working. Make sure all cords, extensions, and hoses are free from sharp objects.
    4. Always keep firm footing and balance when operating your sprayer. Take special care especially when you are working at heights (on scaffolding for example).
    5. Make sure the power source is securely grounded and match the motor rating of your sprayer. If an extension cord is needed, use one that is heavy enough, as an undersized cord will cause greater drop in line voltage causing loss of power and overheating.
    6. Before connecting your sprayer to power source, check hoses for cuts, leaks, abrasion or damage or movement of couplings, check all valves, controls and indicators to make sure they function proper-ly.
    7. Make sure the hydraulic oil in the pump is clean and sufficient in volume. Starting the sprayer with-out sufficient hydraulic oil is not permitted.
    8. To prevent earlier wear of the sprayer and even equipment failure, make sure paints and solvents to be used with the sprayer are clean and free from impurities.
    9. Watch for spraying pressure indicated in the pressure gauge, make sure it does not exceed 22.5-MPa. Make sure using the high pressure hose from supplier.
    10. Never aim the gun at any part of the body. Never allow any part of the body to come in contact with the fluid stream.
    11. Do not use this sprayer to spray any corrosive, or poisonous solvents (acids, banana oil, pestici-des, fertilizers etc.)
    12. Keep the sprayer free of ignition sources. Do not eat or smoke when operating.
    13. After each use, relieve pressure in the system before turning off the motor. Then clean the syste-m (all the parts paint having flowed through) with water or other appropriate solvents.
    14. Do not transport the sprayer with power on. Disconnect power source before cleaning or doing any maintenance. Do not have the motor and the plug come in contact with water, paints or solvents.
    15. Do not modify the sprayer in any way without approval. Use only original or authorized parts for replacement.

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. Preparation
1. Attach the pressure gauge, open the dustproof plug on inlet valve. (Fig.1)

Fig. 1

2. Put the high pressure hose on the outlet valve, and input hose to the inlet valve, tighten them, then loosen the prime/spray valve, open the pressure valve.(fig2)

Fig.2

.Preparation before spraying
Put the input hose into the bucket with some water, turn on the motor and push the manual assistant valve repeatly to help to suck liquor. In a few seconds, water will begin to flow up through the tube and flow out from outlet valve, tighten the outlet valve deasil, then tighten the pressure valve deasil. When the pressure reaches up to around 22.5MPa, check if there is any leakage on the outlet hose, if it doesnt leak, open the spraying gun and have a testing spray. (Fig.3)

Fig. 3

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.Spraying instructions
    1.During paint spraying, hold the gun upright to the surface of paint-object and keep a constant spraying distance of 350~400mm.(Fig.4)
    2.Move gun before starting the trigger. Equably move gun when spraying. At last, loosen the trigger and stop moving immediately. Adjust moving speed according to thickness of paint, spray pressure and the distance of gun to object.
    3.In order to get an intact and slick surface, spray from level and vertical respectively . Spraying time will be variable with different paints. Spray for second time when the first painting is dry .

Begin spraying on well spray stop spraying
(Fig.4)

4.During your spraying if you need to stop for several minutes, loosen the pressure valve and revolve prime valve in counter-clockwise, then shut the motor. Put spraying tip into solution in case of paint block-up in the spraying tip.

When spraying tip is block-up, revolve it 180 degree for several times, then move back in position of well-spraying.

Fig.5

.Turning off machine
After spraying, revolve pressure valve in counter-clockwise, loosen handle of prime valve, then shut the motor after the pressure gauge shows 0.

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