1. Requirements for water
When the watering vehicle ( Dongfeng or Liberation ) uses the ditch and pond as a water source, pay attention to that all the ends of the suction pipe are submerged. In order to avoid inhaling stones or more sand and drift debris, the suction pipe end is generally provided with a filtering device, and it is forbidden to remove the filtering device during the water absorption. If the water source is shallow, it is necessary to dig up the water absorption area in advance so as to ensure that it does not contain impurities and air. The water pump requirements for different sprinklers are different. The clean water pump requires no impurities in the water. The turbid water pump requires no stones and excessive sediment in the water.
2. Add water diversion
Every time the centrifugal pump absorbs water, a certain amount of water must be added to the pump. After the addition, the water inlet must be closed. When the self-priming pump is used for the first time, it is necessary to add water, and it is not necessary to add water later.
3. The inlet pipe must be vacuumed
Into the plumbing system must maintain a certain degree of vacuum water absorption, in order to draw the water into the tank. The inlet pipe system must be sealed reliably, the hose can not be damaged, the hard pipe can not have cracks, otherwise it will have a phenomenon of air leakage, which will result in the situation that it cannot suck water.
4. Parking stalls
Before the water sprinkling vehicle or water sprinkling, the power take-off device must be parked.
5. Winter water release
Before the advent of winter, the water in the pumps and pipes should be vented to prevent freezing. The northern part of the country is generally no longer under construction during the severe winter. Therefore, after the construction is completed, the water in the pump and the water pipe will be drained immediately to prevent future problems.
6. Watering precautions
The front sprinkler of the sprinkler is located at a low position and close to the ground. The spray pressure is relatively large and can be used for flushing the road surface. The rear sprinkler has a relatively high position (the rear sprinkler is generally installed on the left and right sides of the sprinkler ) and has a wide sprinkling surface. It can be used for highway construction and watering. When the rear nozzle is used, the front nozzle should be closed; when using an adjustable nozzle, the width of the sprinkler can be adjusted as needed. The wider the sprinkler width, the less the amount of intermediate overlap and the more uniform the sprinkler density.
7. Lubrication and fastening
During the process of use, lubrication points of the transmission assembly should be regularly lubricated, and the joints should be tightened frequently to ensure normal use.
8. Regular sewage
The water tank of the sprinkler truck is provided with a sewage pipe. The inlet of the pipe is the lowest point of the water tank. After a period of use, the discharge pipe switch should be opened periodically to remove the accumulated debris from the tank until the water becomes clear.
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