Small diesel pump maintenance series

The maintenance of the small diesel pump is as follows:
First, the correct installation.
During installation, the gears of the gear-driven water pump should be closely integrated with the transmission gear. The belt-driven water pump should ensure that the coaxiality of the water pump shaft and the pulley is within the specified range to prevent the engine from shaking due to increased speed or load. Wear.
Second, adjust the tightness of the belt correctly.
The fan belt cannot be over-tightened, otherwise it will increase the load on the water pump bearing. If it is more than two belt drives, it is necessary to ensure that the number of belts is the same as the old and new, the length and the tightness, so as to prevent the premature failure of the water pump due to the uneven force of the various belts.
Third, add oil in time.
According to the instructions in the instructions, timely filling of small diesel engine water pump bearings, the amount of lubricant can not be too much or too little to prevent premature bearing damage.
Fourth, can not block the overflow hole.
Some water pump shafts have overflow holes through which you can observe whether the water pump leaks. If the overflow hole is blocked, water leaked from the pump can enter the bearing and affect lubrication, causing premature bearing damage.
5. Do not knock hard when knocking.
When the water pump is inspected and repaired, special tools are applied to the main parts such as the pulley and the small diesel engine water pump inner bearing. If the hammer is hard knocked during installation, the bearing of the water pump may be bent and deformed, and the shaft end of the pump shaft may be slipped or damaged. Because the impeller and the pump shaft are tightly fitted, they are generally not removed unless necessary.
Sixth, promptly remove the scale inside the pump.
Over-accumulation of scale in the pump will make the water pump's water capacity lessen. At the same time, the scale will corrode various parts of the pump and cause the pump to be damaged prematurely.

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