Precautions for hydraulic excavator maintenance on level ground 1 Select a horizontal and hard safety ground overhaul.
2 The bucket is placed on the level ground.
3 Turn off the generator and remove the key.
4 Brake blocks with good track. Precautions for hydraulic excavator when performing maintenance work at high altitude 1 Straighten out the tools in the work area at the foot.
2 Do not pour oil or grease, do not scatter the tools. Be careful to slide the locomotive while traveling.
3 When climbing or climbing on a locomotive, use tools and handrails; be careful when the surface is slippery.
4 Don't jump from a height.
5 When working together, determine the signal used.
6 When working together, obey the command arrangement.
Hydraulic excavator draining oil and replacing the filter Note:
1 Draining, draining or replacing the filter when the generator has just stopped is very dangerous and should be done after each component has cooled (approximately 20-40 ° C).
2 When replacing the oil or filter, check for any metal fragments or other foreign matter in the discharged oil and the old filter. If a large amount of metal fragments are found, contact the factory service department for repair. Hydraulic Excavator Welding and Maintenance
1 Turn off the power.
2 If an electrical component (microcomputer) is connected, remove it.
3 Clean the voltage within 1m of the soldering area.
4 Do not use more than 200V continuously.
5 Do not place any sealing parts or bearings between the weld area and the ground.
6 Before welding or painting the area of ​​the house, remove the paint and heat the painted area to cause harmful gases.
7 When heated near hydraulic equipment and piping, flammable gases are produced and begin to burn.
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Hangzhou Qiantang River Electric Group Co., Ltd.(QRE) , https://www.qretransformer.com