Acer ATL 1840E, Operation Manual

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Page 4-5
Spindle motor is equipped with IP. Therefore, no special care in required. Have
qualified technician check and clean it every six months is OK. Other motors
should be checked annually.
4.3.2 Control unit
No special care is required. Cleaning CRT or TFT display and key board by using
a clean cloth! No detergent soap should be applied.
4.3.3 Wire connector
Check them annually, and tighten them if necessary.
4.4 Simple trouble shooting
DESCRIPTION POSSIBLE CAUSE REPAIR METHOD
Lubricant level down to
Bottom while spindle is
running Oil insufficient Add oil into headstock
Ump path clogged Remove the object that
clogs the pump outlet
Rails on bed turn black
Automatic lubrication
system out of lubricant Add lubricant
Inappropriate oil
properties Immediately replace the oil
Oil tube clogged Replace tube or clear the
clogged object
Cylindrical machined
into conical shape Spindle head slick Please refer Chapter
3.10.1 to adjust the
accuracy
Inaccurate machining
between two centers Poor accuracy on center Please refer to Chapter
3.10.6 to adjust the
accuracy
Steps appear on the
Spherical work piece
surface Inaccurate backlash
compensation Please refer to Chapter
backlash offset and adjust
Too much temperature
rise during spindle
running Invalid greasing Check if there is oil leaking
from the oil gauge.