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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TRL Lathe, ProtoTRAK RLX CNC Safety, Installation, Maintenance, Service & Parts List
n.
Clear the tool and carriage and remove tool.
7.
Install the chuck.
a.
Clean the chuck thoroughly and visually inspect for imperfections. Elevate any issues to your
supervisor.
b.
Adjust the four set screws around the outside of the chuck so they do not protrude into the
inside cavity on the rear of the chuck
c.
Using lift, raise the chuck and locate against the backing plate.
d.
Rotate spindle until the holes in the chuck align with the holes in the backing plate
e.
Install the 6 screws and remove the lift.
8.
Trueing the chuck.
a.
Snug the 6 bolts in the face of the chuck to prevent the chuck from slipping
b.
Adjust the 4 fine adjustment set screws around the periphery until they contact the adapter
plate and then back out one turn.
c.
Open chuck and clean jaws thoroughly
d.
Install alignment bar so there is approximately 6” protruding from chuck.
e.
Using your indicator and the 4 fine adjustment set screws, adjust the chuck until the alignment
bar is running within 0.0005” 1” from chuck.
i.
While adjusting the set screws, rotate the spindle so the set screws align with the indicator.
When the indicator reads low, tighten the set screw and when the indicator
reads high, loosen the set screw.
f.
Move the indicator 6” from chuck and check runout. Max. runout is 0.0015”
g.
Tighten 6 screws in face and 4 set screws as required to obtain these readings.
h.
Torque the 6 screws in the face of the chuck to 38 ft-lbs for 8” chuck and 75 ft-lbs for the 12”
chuck.
i.
You will need to go from the 1” from the chuck and 6” from the chuck multiple times to obtain
0.0005” at 1” from chuck and 0.0015” 6” from chuck.
j.
Place your indicator on the outside diameter of the chuck and measure the total runout.
Maximum runout of the chuck body cannot exceed 0.004”.
k.
Remove alignment bar.
l.
Using a die grinder and a ¼” round nose double cut carbide burr, make a small mark on the
spindle for orientation. See photo 4 and 5
m.
Using a stamp, make a mark on the adapter plate for clocking of chuck when it is removed and
then re-installed onto spindle. See photo 4 and 5.
Photo 4
Photo 5
WARNING!
Use only chucks which are rated to the maximum RPM of the lathe.
