Control Units; Wire Connectors; Simple Trouble Shooting - Acer ATL 1840E Operation Manual

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
Lubricant level down to
Bottom while spindle is
running
Rails on bed turn black
Cylindrical machined
into conical shape
Inaccurate machining
between two centers
Steps appear on the
Spherical work piece
surface
Too much temperature
rise during spindle
running
POSSIBLE CAUSE
Oil insufficient
Ump path clogged
Automatic lubrication
system out of lubricant
Inappropriate oil
properties
Oil tube clogged
Spindle head slick
Poor accuracy on center
Inaccurate backlash
compensation
Invalid greasing
Page 4-5
REPAIR METHOD
Add oil into headstock
Remove the object that
clogs the pump outlet
Add lubricant
Immediately replace the oil
Replace tube or clear the
clogged object
Please refer Chapter
3.10.1 to adjust the
accuracy
Please refer to Chapter
3.10.6 to adjust the
accuracy
Please refer to Chapter
backlash offset and adjust
Check if there is oil leaking
from the oil gauge.