(1) The sprinkler should be as close as possible to the operating point and parked.

(2) Open the side door of the walk-in box and take out the water-absorbing rubber hose so that it swings back without bending.

(3). Pull the water suction hose into the water as deep as possible to ensure that the end of the pipe is 300mm below the liquid level during the operation.

(4). Push the four-way valve handle vertically to the ground.

(5). Hitch the transmission to neutral, then start the engine, separate the clutch, pull the power take-off switch backwards to pull the file, and the pump starts to run.

(6) The operator can observe the upper part of the rear head. When the liquid level reaches the middle of the sight glass, the operator should be notified that the coworker should quickly pull the suction hose away from the water or close the four-way valve.

(7) After retracting the hose, return it to the walk-in box and close the side door.

(8) Driving the water truck away from the pumping location