First, the pressure gauge once a month maintenance operation, its contents and requirements are:
1. Check the three cocks and the water in pipe joints, to eliminate leakage.
2. Check whether the gauge back to zero.
3. Check and rinse water in pipe, ensuring smooth.
Second, the pressure gauge after running a two year warranty, its contents and requirements are:
1. Disassembled the pressure gauge, check and send measurement department seal.
2. Demolition inspection storage pipe, threaded to be intact.
3. Demolition inspection three cocks, grinding sealing surface to ensure tight non-leaking, the threaded connections should be intact.
4. Storage pipe, three cocks blasting, brushing paint.
Third, when used to replace pressure gauge
When the gauge is found in the loss of running time, must be promptly replaced. Steps are as follows:
1. Replace the pressure gauge must be qualified by measurement of a type checking department, in the pressure gauge or check the
validity of the new factory compliance certification form.
2. For the table, you must be washed three cocks to gauge the position of rotation, the water in the dirt inside the pipe clean.
3. The three cocks rotation to the water in the storage location of pipe, remove the old table with a wrench and put new pressure gauge.
4. The three cocks rotation to the normal working position, so that the new table into operation.