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Model G0747/G0748 (Mfg. Since 8/12)
-47-
Power Feed Gears
Grease Type ........................NLGI 2 or Equivalent
Grease Amount .........Two Pumps of Grease Gun
Check/Add Frequency ........ 160 hrs. of Operation
Tool Needed Qty
Wrench 19mm ....................................................1
To lubricate the power feed gears:
1. DISCONNECT MILL FROM POWER!
2. Remove the hex nut and ball handle from the
power unit end of the X-axis leadscrew (see
Figure 59).
3. Unthread and remove the knurled retaining
ring and graduated dial ring from the end of
the leadscrew.
4. Remove the brass bevel gear from the
leadscrew, then remove the leadscrew align-
ment key (see Figure 60).
Figure 59. Power feed ball handle removed.
Graduated
Dial Ring
Leadscrew
Retaining Ring
Figure 60. Power feed brass gear and
leadscrew alignment key.
Alignment Key
Brass Bevel Gear
5. Brush a light coat of lubricant on the teeth
of the bevel gear and the smaller drive gear
(see Figure 61).
6. Replace the leadscrew alignment key, then
align the bevel gear keyway and the key as
you slide the gear onto the leadscrew and
mesh its teeth with the drive gear.
7. Replace the graduated dial ring into position
and secure it with the knurled retaining ring—
do not overtighten.
8. Slide the ball handle onto the leadscrew
as you align its keyway with the leadscrew
alignment key, then secure it with the hex nut
removed in Step 2.
9. Manually move the table with the power feed
ball handle to check the gear movement and
to distribute the grease on the gears. If the
movement is not smooth, repeat Steps 2–8
until it is.
Figure 61. Power feed brass bevel gear and
drive gear.
Brass Bevel Gear
Drive Gear