Ulvac PKS-016, Инструкция по эксплуатации

Страница: 10 / 30

- 8 -
3) The belt becomes slightly longer after it has been used. Adjust the tension of
the belt once a week after the Start of operation.
4) The adjustment of the belt-tension should be made by shifting the motor base.
Tighten adjusting nuts or bolts securely after such adjustments.
Caution: Maintenance of proper belt tension is important.
Too tight or loose adjustment is harmful to the shaft-bearings. Too
loose an adjustment allows the belt-to slip and shorten the life-time
of the belt.
6. Vacuum System Connection
1) Be sure that the inside of the vacuum equipment, i.e., pipes and vacuum
valves, are clean and free from excessive moisture or liquid, chips, rust, dust,
etc. before you connect the system with the PKS pump.
Caution: Mechanical trouble will result if the pump breaths metal chips or
visible dust. Also, if the pump evacuates excessive moisture, both
the guaranteed ultimate pressure and the pump's internal mechanism
will be effected. Excessive moisture may cause internal corrosion.