--
R660系列柴油机维修保养手册
Maintenace Manual For R660 Series Diesel Engine
松开增压器进油管接头
L o o s e n o i l i n l e t p i p e n i p p l e f o r
turbocharger.
松开增压器回油管与增压器相连的
两个螺栓,拆下增压器回油管
Loosen two bolts connecting turbocharger
and its oil return pipe, remove the oil return
pipe.