Harbor Freight Tools 93212 Lathe User Manual


 
Page 27For technical questions, please call 1-800-444-3353.SKU 93212
Place the dead center in the Tailstock.3.
Attach a Lathe Dog (part of SKU 3448 - 4.
sold separately) the to 6” piece from step
1 and mount between centers.
Turn approximately 0.010” off of the 5.
diameter of the mounted workpiece.
Measure the workpiece with a 6.
micrometer at the Tailstock end and the
Chuck end. Divide any difference by
two. If it is thicker at the Chuck (2) end,
move the tailstock away from you by the
resulting amount. If it is thicker at the
Tailstock end, move the Tailstock closer
to you by the resulting amount.
Turn another 0.010” off of the workpiece. 7.
Repeat steps 5 and 6 as needed until 8.
there is no taper and/or the desired
amount of accuracy is achieved.
Replacement of Carbon Brushes
Carbon Brush (318)
Carbon Brush Cover
Back - Motor Cover (151)
Front - Bed Way (1)
Plug
Carbon Brush Cover
Carbon Brush Cover
Feed
Control
Wheel (84b)
Figure 33
1. Unscrew the Brush Covers on the front
and back of the machine using a at
head screwdriver (sold separately).
Pull the Brush out, noting the orientation 2.
of the old Carbon Brushes to prevent
needless wear if they will be reinstalled.
The Carbon Brushes are approximately 3.
5/8” long. If either one is worn down by
more than 1/2, replace both Brushes.
To clean old Carbon Brushes, rub the 4.
contact areas with a pencil eraser.
Carefully, without forcing them, insert 5.
the Carbon Brushes. Make sure the
carbon portions of the brushes contact
the motor armature and that the springs
operate freely. If reinserting a used brush
make sure it is in the same orientation to
reduce wear.
Replace the Brush Covers.6.
REV 10b