-44-
G0600 20" x 60" Big Bore Lathe
Inch and Metric Pitch
Threading
3.
Put on your safety glasses, and using a
14mm wrench, remove the center spindle
and gear assembly (
Figure 63
).
4.
Using retaining ring pliers, remove the retain-
ing ring from the spindle (
Figure 64
).
5.
Use a press to remove and flip the direction
of the spindle and reinstall the retaining ring.
Note:
You must use a press and a collar
that will support the inner bearing race when
removing the spindle from the gear. Do not
use a hammer and punch to drive the spindle
from the gear assembly or you will damage
the ball bearings.
Figure 64.
Spindle and center gear assy.
Spindle
Center Race
66-Tooth
57-Tooth
Retaining Ring
Cap Screw
If the lathe has been previously setup to cut
dimetrial or modular pitch threads, you must rein-
stall the 57-Tooth gear on the lower spindle and
remove the 66-Tooth gear on the middle spindle,
and change certain gear positions.
To setup the lathe to cut inch and metric pitch
threads:
1. DISCONNECT MACHINE FROM POWER!
2.
Open the side cover and familiarize your-
self with the orientation of the change gears
(
Figure 63
).
NOTICE
Always use the slowest speed possible for
threading, and avoid deep cuts or you may
not be able to disengage the half nut to
prvent an apron crash!
Figure 63.
Change gear setup for dimetrial and
modular thread cutting.
6.
Remove the three M6-1 x 25 cap screws that
hold the two gears together.
7.
Protect the spindle and clamp it in a vise.
8.
Carefully, using two #3 flat tip screwdriv-
ers inserted between the gears at opposing
directions, work the 66-tooth gear off of the
shoulder of the 57-tooth gear. Do not use a
hammer to separate the gears.
9.
Use the 6mm hex wrench and remove the
lower spindle cap screw, shoulder washer,
and the 42-tooth gear (
Figure 63
).
57-Tooth Gear
(Lower Spindle)
48-Tooth
Gear
(Upper
Spindle)
Adjustment
Arm
Locknut
57-Tooth
Gear
(Center
Spindle)
66-Tooth
Gear
(Center
Spindle)
Summary of Contents for G0600
Page 3: ... ...
Page 8: ...G0600 20 x 60 Big Bore Lathe 5 ...
Page 9: ... 6 G0600 20 x 60 Big Bore Lathe ...
Page 12: ...G0600 20 x 60 Big Bore Lathe 9 SECTION 1 SAFETY ...
Page 13: ... 10 G0600 20 x 60 Big Bore Lathe ...
Page 19: ... 16 G0600 20 x 60 Big Bore Lathe Hardware Recognition Chart ...
Page 72: ...G0600 20 x 60 Big Bore Lathe 69 Headstock Face and Shift System 0000 Series Parts ...
Page 73: ... 70 G0600 20 x 60 Big Bore Lathe Headstock Shift System 0000 Series Parts ...
Page 74: ...G0600 20 x 60 Big Bore Lathe 71 Headstock Oil Pump System 0000 Series Parts ...
Page 78: ...G0600 20 x 60 Big Bore Lathe 75 Quick Change Gearbox Gear System 1000 Series Series Parts ...
Page 79: ... 76 G0600 20 x 60 Big Bore Lathe Quick Change Gearbox Face 1000 Series Parts ...
Page 80: ...G0600 20 x 60 Big Bore Lathe 77 Quick Change Gearbox Shift System 1000 Series Parts ...
Page 81: ... 78 G0600 20 x 60 Big Bore Lathe Quick Change Gearbox Shift System 1000 Series Parts ...
Page 84: ...G0600 20 x 60 Big Bore Lathe 81 Carriage 2000 Series Parts ...
Page 85: ... 82 G0600 20 x 60 Big Bore Lathe Cross Slide and Carriage 2000 Series Parts ...
Page 86: ...G0600 20 x 60 Big Bore Lathe 83 Compound Rest and Tool Post 2000 Series Parts ...
Page 87: ... 84 G0600 20 x 60 Big Bore Lathe Carriage Oil Pump System 2000 Series Parts ...
Page 90: ...G0600 20 x 60 Big Bore Lathe 87 Apron Face Thread Dial Auto Stop System 3000 Series Parts ...
Page 91: ... 88 G0600 20 x 60 Big Bore Lathe Apron Gearing Halfnut Feed System 3000 Series Parts ...
Page 92: ...G0600 20 x 60 Big Bore Lathe 89 Apron Feed Rod Clutch and Lever System 3000 Series Parts ...
Page 95: ... 92 G0600 20 x 60 Big Bore Lathe Tailstock 4000 Series Parts ...
Page 97: ... 94 G0600 20 x 60 Big Bore Lathe Bed Assembly 5000 Series Parts ...
Page 98: ...G0600 20 x 60 Big Bore Lathe 95 Brake Pedal and Headstock Panels 5000 Series Parts ...
Page 99: ... 96 G0600 20 x 60 Big Bore Lathe Brake System and Change Gears 5000 Series Parts ...
Page 100: ...G0600 20 x 60 Big Bore Lathe 97 Motor and Headstock Mounting 5000 Series Parts ...
Page 101: ... 98 G0600 20 x 60 Big Bore Lathe End Covers and Splash Guard 5000 Series Parts ...
Page 102: ...G0600 20 x 60 Big Bore Lathe 99 Change Gear System 5000 Series Parts ...
Page 105: ... 102 G0600 20 x 60 Big Bore Lathe Steady and Follow Rests 6000 Series Parts ...
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