1. Installation of tanker manhole cover: When the manhole cover is installed, the opening direction of the small cover is toward the front of the car to prevent the oil from being directly inserted into the breather valve during braking or up and down slopes. In the process of installation and transportation, care should be taken not to damage the installation joint surface of the manhole cover. So as not to affect the tightness.
2. Use of tanker manhole cover: The manhole cover B is debugged to the standard before leaving the factory, and it can be used after installation. During use, do not adjust the breathing valve and emergency exhaust device at will.
3. Open the tanker manhole cover:
(1) Insert the key into the lock hole of the human body L cover;
(2) Turn the key counterclockwise about 30 degrees;
(3) Pull up the upper pressing plate with force;
(4) Push the lock hook in the 7L side of the lower pressing plate, and at the same time, lift up one end of the lower pressing plate to open the small cover of the manhole cover.
