Model G0726 (Mfg. Since 7/11)
-47-
Z-Axis Leadscrew Bevel Gears
Grease Type ...................... NLGI#2 or Equivalent
Amount .................................................Thin Coat
Add Frequency .................... 40 hrs. of Operation
Use a clean, stiff brush and mineral spirits to
clean away the old grease and grime from the
bevel gears (see
Figure 66), then brush a thin
coat of grease onto and into the teeth of the gears.
X- & Z-Axis Power Feed Gears
Grease Type ...................... NLGI#2 or Equivalent
Amount .................................................Thin Coat
Add Frequency .................... 40 hrs. of Operation
Tool Needed
Qty
Wrench 19mm ................................................... 1
To lubricate the power feed gears:
1. DISCONNECT MILL FROM POWER!
2. Remove hex nut and ball handle from power
unit end of the X-axis leadscrew
.
3. Unthread and remove knurled retaining ring
and graduated dial ring from end of leadscrew.
Figure 67. Power feed gears and key.
Brass
Bevel Gear
Drive
Gear
Key
5. Brush a light coat of grease on bevel gear
teeth and smaller drive gear.
6. Replace leadscrew alignment key, then align
bevel gear keyway with key as you slide gear
onto leadscrew and mesh its teeth with drive
gear.
7. Replace graduated dial ring into position and
secure it with knurled retaining ring—do not
overtighten.
8. Slide ball handle onto leadscrew, align key-
way with leadscrew alignment key, then
secure it with hex nut removed in
Step 2.
9. Move table with ball handle to check gear
movement and distribute grease on gears. If
the movement is not smooth, repeat
Steps
2–8 until it is.
4. Remove brass bevel gear from leadscrew,
then remove leadscrew alignment key (see
Figure 67).
Figure 66. Z-Axis leadscrew bevel gears.
Bevel Gears
(On Top of
Z-Axis
Leadscrew)
