End-Gear Configuration Example - Grizzly G0750G Owner's Manual

End-Gear configuration Example

Follow the example below to better understand
how to configure the end gears for inch threading.
Tools Needed
hex Wrench 5mm .............................................. 1
hex Wrench 6mm .............................................. 1
Wrench 17mm.................................................... 1
To configure end gears for threading 18 TpI:
1. Locate 18 on the inch thread chart, then
locate the 60 "a" position gear and 54 "b"
position gear (see figure 76), which cor-
respond to 18 tpi. gather the 60T and 54T
gears.
60t & 54t
gears
18 tpi
figure 76. Locating change gears for 18 tpi.
2.
disConnECt LAthE FroM poWEr!
3.
remove the headstock end gear cover.
4.
Loosen the arm support cap screw shown in
figure 77.
"a" position
gear
120/127t
gears
Arm support
hex nut
figure 77. Arm support and end gears.
-52-
Qty
"b" position
gear
Arm
support
Cap
screw
Arm
support
5. While holding the 120T/127T gears, loosen
the arm support hex nut and slowly let the
gears pivot down and away from the upper
"a" position gear, as illustrated below.
"a"
Position Gear
127T Gear
120T Gear
Arm-Support
Hex Nut
figure 78. End gear placement.
6. Loosen the 120T/127T gear support hex
nut and slide the middle gear away from the
lower "b" position gear.
7.
remove the cap screw and flat washer from
the upper "a" position and "b" position gears,
then slide the gears off of the shafts.
8. slide the 60T gear onto the "a" position shaft
and the 54T gear onto the 'b" position shaft,
making sure to align the keys and keyways.
Note: Position the flat, non-stepped face of
the gears away from the headstock so they
will mesh with the 120T gear in Step 11.
9. secure the 60T and 54T gears with the flat
washers and cap screws removed earlier.
Model G0750G (Mfg. Since 11/12)
Gear-Support
Hex Nut
"b"
Position Gear