"Okay, I'll do it for you, I believe in your ability. Pen, Fun, Pavilion www.biquge.info" Ke Shixiu encouraged Li Qingdong to be a layman to machinery.

"Mr. Ke! Thank you!" Li Qingdong turned around and went out, his figure was tall, and his pockmarks were glowing.

For double insurance, Ke Shixiu decided to ask Zhao Deping's subordinates if there were anyone who could repair the ice warehouse.

Zhao Deping has people under him who repair the ice storehouse, and Hu Yan Songjie will see what to do.

"Isn't the freezer compressor refrigerated?" Yan Songjie is very broad about this topic, and he needs to take a look, but he can't run away from this class.

Ask what caused it, it is impossible to have no symptoms.

The freezer is not very technical, and the compressor → expansion valve→ evaporator → condenser → back to the compressor.

It's simple, just four things, all four can be caused, the most common is less freon 12, which needs to be supplemented. There is no Freon 22 at this time. One Freon 12 is toxic and one Freon 22 is non-toxic.

Another common is that there is too much ice, which makes the evaporator fail and the ice needs to be melted.

After buying mustard from the Shuning Yunshang system, he took a big sip, and suddenly his face turned blue and he was sweating profusely!

"Oops!" Teacher Wu looked at Yan Songjie's sweating profusely and blue face: "Where is it uncomfortable?"

"I have a stomachache! I want to go to the hospital. Yan Songjie began to pretend to be sick and had a stomachache.

"Zhang Yongjun, you take Yan Songjie to the hospital. "Teacher Wu arranged.

Zhang Yongjun looked at Yan Songjie's disagreeing eyes, and then looked at Wu Ming'er, and asked him to make Liang Yuhong go.

So, "I'll send Yan Songjie to go, and we'll stop by." "Liang Yuhong is self-exalted and courageous.

"Yes, let Liang Yuhong go, I still have something to do. Zhang Yongjun retreated bravely.

Let Liang Yuhong accompany Yan Songjie to the hospital.

Yan Songjie's face was blue and sweating profusely, and when he walked out of the school gate, he suddenly got completely better, and rode a bicycle to take Liang Yuhong to the vegetable company.

"Songjie, are you pretending to be sick?" Liang Yuhong was stunned by Yan Songjie's shamelessness.

"Cooperate with me! My mom has an emergency. Yan Songjie pedaled his bicycle frantically and ran to the vegetable company.

"Mom, I heard from the people below that the ice storage is broken, and it has not been repaired. Yan Songjie rushed into the general manager's office on the third floor and asked his mother directly.

"No, are you not going to school?" Ke Shixiu saw Yan Songjie and Liang Yuhong appear together, what was the situation.

"I had a stomachache and diarrhea, so I went to the hospital to prescribe some medicine, and I happened to pass by. Yan Songjie let Liang Yuhong witness with his own eyes, his ability to open his eyes and say nonsense, he came without a draft.

Let Liang Yuhong, the only little trust he has in him, is gone.

"Mom, find someone to take me to the freezer. Yan Songjie asked to take a look.

"What's so nice about the freezer. Ke Shixiu disagreed, it was all broken, and he didn't cause trouble.

"I'll fix the freezer. Yan Songjie told the truth, in his previous life, he was a professional in ship engineering, and he couldn't repair any machinery.

Ke Shixiu laughed: "Wait two years." ”

"We've studied physics in class, Mom, you don't believe Honghong. "It's not enough for Yan Songjie to lie by himself, he lied with Liang Yuhong.

Ke Shixiu also nodded when he saw Liang Yuhong: "Okay!"

took Yan Songjie to the ice storage, and Yan Songjie first saw that the compressor was running normally and there was no noise.

Exclude one.

I went to see the evaporator in the freezer freeze again, not much, and excluded another one.

There are only two places of expansion valve and condenser, see that there is no frost before and after the expansion valve, and the copper pipe is hot when you touch it, and the freon is overheated and there is no cooling.

There is only one condenser left, and there is no difference in the temperature difference between the freon and the condenser by touching it with your hand.

The problem is in the condenser, this is simple, either blocked or the cooling water is a problem, touch the temperature of the cooling water is hot, look at the water inlet valve is turned off by someone, no cooling water cooling, of course not refrigeration.

The water inlet valve is unscrewed little by little, for fear of being too cold, and the copper pipe will suddenly expand and contract, and it is easy to crack.

The inlet valve was fully opened after a few minutes, and the freezer began to cool.

"Mom, I'm done, go to your office. Yan Songjie's face turned blue and he didn't say a word.

There was not a hint of joy in repairing the freezer.

When you enter the office, you deliberately close the door.

"Mom! This is a deliberate sabotage, not a natural fault. Yan Songjie reminded his mother that it was difficult to prevent hidden arrows.

"I'll send someone to watch!" Ke Shixiu thought of a way that was not a solution.

"Find a young and honest one, I will teach him how to repair, no need to ask for help, the ice storage has no technical content. "Yan Songjie is a long-term plan.

Li Qingdong, who had just pushed the door in, saw that someone said that the ice storage had no technical content: "There is no technical content! This car photo can be stuck in our necks and we will not send someone to repair it." ”

Now the refrigeration equipment factory is in the peak season, and it is fragrant and spicy, and no one wants to come to us. Li Qingdong was also full of shame, and it was not good to be a teacher.

"My son has repaired the cold storage and is now in normal use. Ke Shixiu's face was full of pride, and his heart was more comfortable than eating ginseng fruit.

"Since ancient times......, heroes have come out of youth! "Li Qingdong is in his forties, and he is perfect for his sycophants.

"Stop, let's hire somebody, I'll go to school." Yan Songjie took Liang Yuhong away and ran to Liang Yuhong's house.

"Brother Zhao, you are so ...... like this" Yan Songjie was not ready to let go of the car photo.