Grizzly g0748, g0747 owner manual Power Feed Gears, To lubricate the power feed gears

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).

Graduated

Dial Ring

Leadscrew

Retaining Ring

Figure 59. Power feed ball handle removed.

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).

Alignment Key

Brass Bevel Gear

Figure 60. Power feed brass gear and

leadscrew alignment key.

Model G0747/G0748 (Mfg. Since 8/12)

5.Brush a light coat of lubricant on the teeth of the bevel gear and the smaller drive gear (see Figure 61).

Brass Bevel Gear

Drive Gear

Figure 61. Power feed brass bevel gear and

drive gear.

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 2–8until it is.

-47-