2. When refueling, the top opening of the discharge oil pillow exhaust gas plug until the plug Maoyou deflated deflated plug after tightening, and the drain into position.
2. When filling with oil, open the air plug on the top of the oil pillow to vent until the air plug is oiled before tightening the air plug and releasing the oil to the appropriate position.
2. When refilling, open the vent plug on the top of the conservator to vent until the vent plug is full of oil, then tighten the vent plug and drain the oil to a proper position.