The lifting ring screw is generally installed in the top center of the parts or symmetrical arrangement, used for lifting, can also be symmetrical arrangement on both sides, the design should pay attention to its safety load is enough to lift the whole part;

Lifting screw should be a kind of lifting screw, is used for disassembly, is generally one of a set of screws, but longer than the other screws, other screws are all loose, the screw screw tighten, parts such as cover from the original position out;The positioning pin is used for positioning, generally in order to ensure the alignment of the key position and the layout of the pin, ring screws can be arranged in general to avoid the quarter of the fastening bolt stress is more serious area, and the pin hole does not do through hole, the pin to consider whether there is a disassembly requirements;

The oil level indicator is arranged in the vertical direction, and the lowest place should not be lower than 10%~15% of the height of the oil tank;The oil plug is used for filling oil or discharging oil, and it is arranged in an area that has no important influence on the structure.

The observation hole depends on what the specific purpose is;The ventilation cap is arranged on the top of the oil tank, the aperture is larger than the inlet pipe, and the end part should be made of elbow type to avoid falling into sundry.