Knapsack sprayer use and maintenance technology

Knapsack sprayer use and maintenance technology

1. To properly install the sprayer parts. Check the connections for leaks, use, install water spray test, and then install the agent.
2. When official use, add water, first add the agent, the liquid level must not exceed the safe level line. Before spraying, more than 10 times before pulling the joystick, so that bucket pressure goes up to the working pressure. When pulling the rocker can not be too hard to avoid the gas chamber explosion.
3. When the initial loading of liquid, since the inner gas chamber and spray bar containing water, a lower concentration in the liquid spray initial 2 to 3 minutes ejected, it should pay attention to make the spray, so as not to affect the pest control effect.
4. The work is completed, should be promptly poured barrel of residual liquid, and washed with water fall dry, while the indoor air check whether the water, if water, to remove the water connector discharged water.
5. If you do not use the sprayer in the short term, the main components should be clean, dry bottles in a cool dry place. If the long-term need, the individual will have buttered metal parts to prevent rust.
Often occur in the use of failure and troubleshooting:
Spray pressure is insufficient, atomization bad: If for the inlet valve is Geqi dirt, the inlet valve can be removed with a cloth to remove dirt; If cup damaged, can be replaced with new cups; If joints is not installed ring, or seal damage due to leaks, can be installed or replace the seals.
Not a spray mist: If for slant-hole nozzle body is clogged with dirt, can clear slant holes; If orifice blockage can open the cleaning nozzle hole, but can not use copper wire or other hard objects stabbed needle orifice to prevent the expansion of perforations , the spray quality deteriorates; If inner sleeve filter is clogged or too small ball Geqi valves, filters should be cleaned and cleaning the dirt Geqi ball.
Switch leakage or screw fixed: If for switch cap is not tightened, screw the switch cap; If gasket wear on the core switch, replace the gasket; tighten the switch does not move, because the longer place, or too long, switch core due to erosion agents are bonded to live, should be removed parts cleaning in kerosene or diesel; difficulties when removed, can be soaked in kerosene for some time, and then dismantling can be removed, can not be beat with a hard object.
Various joints leakage: If for loose connections, should tighten the nut; If the issues are not flat or damaged gasket, the gasket should be flat, or replace the gasket; If washer shrinkage harden, macerated in animal oil before use .

Leave a Comment