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finish of adding liquid, screw down chemical tank lid in order to avoid leakage, when adding liquid,
the machine need not stop, but should be at low speed. (i.e. not at spraying position)
4.3.2 Pressure regulation. When the engine’s speed is 5000-6000r/min, regulate the coming out
water pressure of plunger pump. This has been done before leaving the factory. If it is necessary to
regulate, please do this procedure as per the instruction of Figure 5.
Figure 5
4.3.3 Spraying. Put the machine on the back. Regulate the fuel handle to let the machine run at
about 6500r/min and turn on the handle spraying valve, then start spraying operation.
4.3.4 Some important notes for spraying operation:
a- Swing the spraying tube with hand after turning on the handle valve. In order to avoid chemical
harm, it is strictly prohibited to spray only at one place.
b- Operator should face to wind. The spraying tube should form about 15° angle with level.
c- During spraying, the spraying tube should be swung continuously between the left and the right
to increase spraying range. Advanced steps should cooperate with the swing speed.
d- Stop. After speed. This can wash the parts inside the machine. Finally push the stops witch after
3 to 5 minutes’ running of the engine.
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