Acer Supra 818PD Operation Manual page 27

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4.4.1-2 PLACING AND INSTALLING COOLANT SYSTEM ON
1020~2040 PD SERIES:
Install the coolant tank at the left side of the machine before connecting coolant hoses (A, B). The guide
bushing of coolant tank must align with the coolant return tank, shown as figure below:
HOSE A: The movable hose should be fastened to the ball valve of nozzle and the connector on the
machine column.
HOSE B: The coolant guide hose should be fastened to the connector, located at he bottom of machine
column, and fastened to the coolant pump outlet port.
4.4.2
NOTICES FOR USE OF COOLANT:
a.
The grinding fluid to be used must comply with the conditions of sanitation, safety and without
harm to personnel health.
b.
Select correct grinding fluid depending on workpiece material and grinding wheel type to
achieve the best grinding effect. (Consult your local oil supplier).
c.
Mixing ratio of grinding oil and water may vary with different suppliers. Such information can be
obtained from oil supplier. (Normally the mixing ratio of grinding oil to water is 1: 25~40).
d.
Fill the well mixed grinding fluid into the tank.
e.
Periodically replace grinding fluid. The replacement interval should follow the instruction from
the oil supplier. Always keep the grinding fluid clean to ensure excellent grinding quality.
f.
Grinding fluid is available from your local oil supplier, agent or machine oil supplier, such as:
SUN, SHOWA, ESSO, BP, SHELL, MOBIL, TEXHCO and ARAL, etc.
4.4.3 COOLANT TANK CAPACITY:
a. Coolant system with manual paper feeding: 95 liters
b. Coolant system with automatic paper feeding: 110/150 liters
A
4-5
818~2040 PD
B