前凸轮轴轴承润滑油孔
front camshaft bearing oil hole
喷油泵驱动链轮轴承润滑油管
fuel injection pump drive sprocket bearing lubrication line
托架轴承润滑油箱
pedestal bearing oil reservoir
振动轴承润滑油箱
vibratory bearing lube reservoir
轴承润滑油嘴
bearing lubrication fitting
气缸上部润滑
upper cylinder lubrication