How to solve the clogging problem of spray arm of dishwasher

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In the kitchen of the firework battlefield, The Dishwasher like a silent work of the loyal guard, for us to avoid the tedious and tired of washing dishes. However, when it suddenly breaks down, washing dishes with oil film, spray arm rotation is slow, which no doubt add to our lives jam. In fact, this is mostly behind the spray arm clogging at the trouble. Don't be too quick to lose faith in it, master the right way to dredge the channels for the spray arm, and The Dishwasher will come back to life and continue to power our convenient lives.

1、daily prevention and basic cleaning

The root cause of clogged dishwashers is often hidden in the negligence of daily use. Filter fouling, improper pretreatment of tableware, will let the dirt quietly into the spray arm. The following preventive techniques can significantly reduce the risk of blockage.

(1). filter cleaning

The strainer at the bottom of the dishwasher is the key to keeping food out. If not cleaned up for a long time, debris will enter the spray arm through the filter gap, the formation of stubborn blockage. It is recommended to clean the filter once a week: after removing the filter, wash the surface residue with flowing water, and then brush the filter gap with a soft brush to ensure that there is no particle residue. If the filter is damaged or deformed, need to be replaced in time to avoid impurities into the void.

(2). tableware pretreatment

Before putting the dishes in the dishwasher, simple pre-treatment is required: scrape off large pieces of food debris (such as bones, leaves) to avoid starchy foods (such as rice, mashed potatoes) and grease directly into the machine. Starch in water will be solidified into a jelly, oil after cooling easily attached to the inner wall of the spray arm, both are the culprit of blockage. Pretreatment only takes 10 seconds, but can significantly extend the service life of the spray arm.

2、 Deep cleaning of the spray arm

When the prevention fails and the spray arm is obviously blocked, it is necessary to restore its function through systematic cleaning. Scientific principles must be followed at every step from disassembly to flushing.

(1). disassembling the spray arm

After turning off the dishwasher, find the center screw (usually plastic) in the spray arm and remove it by rotating it counterclockwise with a screwdriver. If the screw is clamped, a small amount of edible oil can be dripped into the screw for lubrication to avoid damage to the screw caused by excessive force. After disassembly, the spray arm is placed in the pool to prevent collision and deformation.

(2). physical flushing

Use high-pressure water gun or shower set to“Columnar mode”, on the spray arm outlet for reverse flushing. The water pressure should be controlled between 0.2 and 0.3 mpa, which can wash away the debris without damaging the internal structure. For stubborn dirt, you can use a soft brush dipped in baking soda solution (1:10 ratio) deep hole brushing, avoid the use of steel wool and other sharp tools.

3、Chemical cleaning aids

Chemical agents can target when physical cleansing is not sufficient to dredge thoroughly.

(1). special detergent

①. principle

Commercially available detergents for dishwashers contain Surfactant and chelating agents that penetrate into the pores of the spray arms and break down grease and calcification.

②. Method of use

Pour 100 g of detergent into the bottom of the dishwasher and run in“Clean” or“Power” mode (no cutlery) . The water temperature is recommended to be set above 60 °C to enhance chemical activity.

(2). white vinegar and baking soda

①. principle

Baking soda provides an alkaline environment that softens oils; white vinegar provides an acidic environment that dissolves scale, and the resulting carbon dioxide helps flush pipes.

②. Method of operation

For acid-base neutralization, sprinkle 50 grams of baking soda on the bottom of the dishwasher and add 200 milliliters of white vinegar. Let stand for 15 minutes, then run the short-cycle procedure (water temperature 50 °C) .

4、System inspection and maintenance

If the spray arm is blocked with abnormal noise or power decline, it may be caused by mechanical failure. Through system check, the problem can be located accurately and corrective action can be taken.

(1). water pressure test

Spray arm speed slow or weak water, may be caused by insufficient water pressure. Check the water pressure of inlet with pressure gauge, the normal value should be between 0.1-0.5 mpa. If the water pressure is too low, need to check whether the inlet valve is blocked, or contact the property to adjust the water supply pressure.

(2). drainage system investigation

Clogged drains can result in stagnant water that indirectly contaminates the spray arm. Check the drain regularly for accumulation of foreign matter and dredge with dredge powder if necessary. If the drainage pipe is bent or too long, it should be adjusted to a reasonable slope (≥5 °-RRB- to ensure smooth drainage.

(3). professional maintenance

If the spray arm internal fracture, bearing wear or motor noise, need to contact after-sales or professional maintenance personnel. Self-disassembly may lead to circuit short circuit or seal failure, but aggravated the fault.

Conclusion

The spray arm of The Dishwasher, carrying the responsibility of cleaning, is a key link in the efficient operation of the kitchen. Daily careful prevention, regular deep cleaning, scientific chemical assistance and precise inspection and maintenance, are our care for it. Every dredge, is to adhere to the quality of life; every repair, is the continuation of convenient life.