Acer ATL 1840E, Operation Manual

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Page 4-6
4.5 Remove chip and renew coolant
1) There is too much chip deposited in the machine or before the end of work
every day. It is necessary to take a little time for removing the chip from
the machine. First should turn off the power on the operate panel, and then
opening the safety doors. Use a brusher to clean chip in all the working area
fall into the chip disposal area (Swing over bed 460/540/630 mm). Pull out
the chip disposal box (Swing over bed 670/770/840 mm) from the front of
machine. Clean-up the chip where inside the chip disposal box. Replace
chip disposal box into the initial position.
2) When the coolant quality is seriously contaminated or in accordance with the
required of routine maintenance list to decide the timing for clean water tank
and renew coolant. Always recommend to clean water tank and renew
coolant will be done for one time per every 3-6 months.
3) Before clean the water tank, pull out the chip disposal box advance and
remove the chip clearly. Provide three buckets with about each of 30 liters
capacity placed on the back of machine.
4) Disconnect the hose at the rejection side of pump form the position where
conjunction with aluminum conduits. Take this hose free side into bucket and
turn on the power of pump. Pump out the coolant from water tank until
empty.
5) Disconnect the hose at the entrance side of pump from water tank and the 2”
hose where between two water tanks. Pull out the water tank from back of
machine. Move the water tank by two persons to proper height position
where with safety support.
6) Remove the plug where in the water tank drain hole. Drain the residual
coolant.
7) Dismantle the filter on the top of tank. Clean the internal tank and filter.
Install filter to tank and plunge the plug into drain hole. Replace the water
tank into the initial location from back of machine.
8) Link the hose with pump and tank by opposite direction of disconnect way
that has been to do. Fill the equal volume of coolant into the water tank.
9) Install chip disposal box upon the water tank from the front of machine.