1. Check the position of the oil level frequently. If it does not meet the requirements, it must be adjusted to meet the requirements. When operating with a vacuum pump, the oil level is at the center of the oil standard.
2. Check the oil quality frequently and find that the oil should be replaced in time to ensure that the vacuum pump works normally.
3. The oil change period is considered according to the actual use conditions and whether the performance requirements can be met, at the discretion of the user. Generally, when the new vacuum pump is used to remove clean and dry gas, it is recommended to change the oil once every 100 hours. After the black metal powder is not visible in the oil, the oil change period can be extended in the future.
4. Under normal circumstances, the vacuum pump should be inspected after 2000 hours of operation, check the aging degree of the silicone seal, check whether the exhaust valve is cracked, and clean the dirt deposited on the valve plate and the exhaust valve seat. Clean the parts of the entire vacuum pump chamber, such as rotors, rotary vanes, springs, etc. Usually cleaned with gasoline and dried. After cleaning the rubber parts, dry them with a dry cloth. Care should be taken when cleaning and assembling.
5. Conditionally clean the tube to ensure that the pipeline is unblocked.

Office Supplies

Office supplies, refers to the auxiliary supplies used by people in daily work, mainly used in enterprise units, it covers a very wide range of categories, including: file supplies, desktop supplies, office equipment, financial supplies, consumables and a series of work-related supplies.
Classification:
1. Stationery office supplies
2. Office supplies
3. Groceries
4. Office equipment
5. Financial supplies
Photocopiers, printers, fax machines, card machines, attendance machines and so on... Is a collection of optical, mechanical, electronic technology as one of the precision office equipment, through the use of a small electrostatic toner, the use of electrostatic principle, the formation of electrostatic potential image on the sensitive material, so that the tiny toner attached to the sensitive material, and then transferred to the paper to get the required copy.
Office supplies distribution, according to the market situation, generally refers to the requirement of office supplies sales company based on the demand side, the distribution according to the requirement, then delivery to the designated place, the demand side and by bank transfer, cash, check or prepaid way and office supplies sales enterprise settle a way of office supplies sales.
Because most companies or factories have a large number of people and complex departments, they often have a large and complicated workload on the demand and procurement of office supplies. A class of companies specializing in the distribution and delivery of office supplies has emerged in the market. Most of these companies have their own independent website, through the website to show their products, and then according to customer demand, order by phone or fax, this kind of company to customer demand products to the appointed place within the promised time, solve the problem of the factory purchasing a lot of red tape, make customers save time, improve the working efficiency.

Office Supplies,U Disk,Attendance Machine,Useful U Disk

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