Acer Supra 818PD Operation Manual page 52

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6.3.1-1 LEGEND OF 1020~2040PD SERIES LUBRICATION SYSTEM
A：Lubrication oil hose for vertical feed slideways
B：Lubrication oil hose for elevating screw and transmission gears
C：Lubrication oil hose for table slideways and saddle slideways
D：Lubrication oil pump
E：Oil sight gauge
F：Oil drain port
G：Lubrication oil hose for cross feed screw
H：Oil distributor
I：Oil inlet port for cross feed screw (manual lubrication)
6-4
818~2040 PD