The main core power of the electric forklift is a battery, and the battery is used as a main traction, and the electric forklift is controlled. However, during use, more or less electric forklift batteries will cause rupture of the outer casing due to improper use.
Original repair method: The battery housing material is polypropylene plastic, and the epoxy resin repair method is introduced, the rosin asphalt repair method, the cotton asbestos pitch repair method and the paint repair method are needed, and the solder of the four methods requires a variety of raw materials Formulate. Since the raw materials are not easy to prepare, the process is complex, the repair time is long, and the need to be adapted to the market maintenance. When using carbon fire, the hair dryer, the electric furnace is in the high temperature, as long as it is not hot, there is no explosion. When heating the valve hole, cover the cover, put the asbestos cloth, plus water, protect the valve hole is not deformed, this kind of battery hydration should be completed, and there is no flow in a single battery. In many years of repair practice, it is constantly exploring, optimized, summarized, and a practical method for low cost, simple process, short repair time – plastic welding method.
The specific steps are as follows:
1. First to find a roughly range of rupture.
2, tighten the plug cover, clean it with a hair brush and clean it with a thermos of the thermos of the plastic welding torch (referred to as the torch), and the ventilation small hole is sealed with a transparent tape or label paper. It is best to prepare a set of plug-in cover, and the venting pores are heatized with a plastic rod, which is more convenient to use during maintenance.
3, the side of the rupture is facing up, and the broken water is cleaned around the rupture, and then dried water with welding gun.
4, select the gear position of the welding gun, and evenly apply the plastic rod to the surrounding of the rupture, the preparative patch is prepared in advance, and the outer casing or recorder housing of the battery is not limited) is pressed at rupture, and Continue to heat one, two minutes, stop heating and cool after waiting for all bonding.
5. Remove the liquid cover, remove the transparency tape on the plucking cover to check the liquid level height, if there is a leakage-deficient, it should be added to the electrolyte. If it is not urgent, it should be supplemented with charging and density adjustment; if it is urgent, you can use it directly. Finally, if the forklift battery monomer housing cannot be repaired, only the monomer is replaced, which is sequentially welded.
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Shenzhen Geerady New Energy Co., Ltd NO.7888, SHENZHEN, CHINA