Maintenance method of pendulum impact testing machine

1. The technical condition is intact, the micro switch at the limit position is sensitive and reliable, the indicator mechanism is flexible and accurate, and the working ability meets the prescribed requirements.

2. All fastening bolts are firm and have complete accessories and tools.

3. The equipment is clean, lubricated, tightened and adjusted, and has good corrosion protection.

4. When the pendulum is hit by an empty blow, the reading of the work must be zero.

5. The swing of the pendulum should be light and flexible.

6. The equipment interlocking device is reliable and has complete protective devices.