1. When the weather is normal, it is found that there is a crack in the arrester porcelain sleeve, and the operation should be immediately stopped. That is, the malfunctioning phase arrester should be taken out of operation and the qualified arrester should be replaced. In the thunderstorm, it was found that there was a crack in the porcelain sleeve and it should be maintained until after the thunderstorm. If flashover occurs due to the crack of the arrester porcelain sleeve, but the system is not grounded, the arrester should be disabled under possible conditions.
2. The inside of the arrester is abnormal or the casing bursts. This phenomenon may cause grounding faults in the system. During the process, personnel must not approach the arrester, and the breakers or artificial grounding can be used to switch off the lightning arrester.
3. The surge arrester suddenly exploded during operation. In this case, if the system has not been permanently grounded, after the lightning storm, disconnect the fault isolation switch and disable the arrester, and replace the arrester in time. If the system has been permanently grounded after frying, the use of a disconnecting switch to disable the failed arrester is prohibited.
4. The inside of the arrester action indicator is burnt black or burned, the connection point of the ground lead wire is blown, the resistance of the arrester valve chip is invalid, the spark gap arc extinguishing characteristic is deteriorated, and the freewheeling current frequency is increased. If any of these abnormal phenomena occur, the Arrester for electrical test or dismantling inspection.
20W Glue Guns Features:
1. Versatile
2. Easy
3. Quick
4. Proective Nozzle Cover
5. Trigger Flow Control
6. Bonds instantly
7. High quality
8. High temperature or low temperature
9. New design
10. With switch function
Idea for many applications. Fastening various materials such as paper, cardboard, fabric,wood, lace,trims,leather,metal,glass, tiles, rubber, ceramics and flooring etc.Ideal for hobby and household repair,DIY&craft projects.
Designed and manufactured to the highest of standards to ensure a robust and long life, we hope it provides you with many years of trouble-free, safe and reliable service.
Important Caution:
1． Before use the glue gun, check if the plug cord into electrical outlet properly;
2． When glue gun in first use, the heating element will have small smoke, it is normal situation, but the smoke will disappeared after 10 minutes;
3． After power, not for a long time in standby mode(not longer for 20 minutes), when the suspension of use, unplug first.
4． Avoid to use the glue gun under very hot or very cold environments.
5． Better not work under direct cold wind blowing, it will reduce efficiency and loss power
6． When in continuous using, do not press the trigger with great pressure, and try to squeeze out the un-melted glue, it would damage the glue gun
7． Not applicable for bonding heavy objects or objects needed strong adhesive
8． The quality of glue stick will directly influence the glue gun function and sticking objects quality;
9． If the power cord is damaged, do not replace it by yourself, must ask for professionals to replace it.
10． This tools must b e placed in its position when not in use. And storage before the tools complete cooled.
11． Be careful when using any other electrical appliance with flammable material.
12． Not applicable for a long time in the same place.
13． Do not use an explosive gas atmospheres.
14． Note that heat may be the line of sigh, combustible materials.
15． Do not leave equipment unattended when switched on.
16． This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
17. Children should be supervised to ensure that they do not play with the appliance.
Using methods
1. Glue gun using voltage is 110-220V AC,50/60Hz;
2. Tip gun forward on stand and place a piece of cardboard under the nozzle
3. Use 7-8mm (mini trigger glue gun), 11-12(big trigger glue gun), insert glue sticks through
tunnel at back of gun
4. After power, wait for 5-10 minutes to allow glue to soften
After glue softens, squeeze trigger to feed glue through glue barrel. Excessive force will damage glue gun. Put down nozzle after work, disconnect the power plug20W Glue Guns, 20W Mini Glue Gun, Regular Glue Gun
Ningbo Kingvos Electrical Appliance Co.,Ltd , http://www.kingvos.com