Grizzly G0740 owner manual Quick-Change Gearbox, To change the headstock oil

To change the headstock oil:

1.DISCONNECT LATHE FROM POWER!

2.remove the end gear cover.

3.remove the V-belts so that oil does not get on them, necessitating their replacement (refer to the V-Beltsubsection on Page 79 for detailed instructions).

4.remove the fill plug on top of the headstock to allow the oil to drain more freely.

5.place a 2 gallon catch pan under the head- stock drain plug (see Figure 100 on Page 65), then remove the plug with a 5⁄8" wrench.

6.When the headstock reservoir is empty, replace the drain plug and clean away any oil that may have spilled.

7.Fill the headstock reservoir until the oil level is approximately halfway in the sight glass.

8.replace and re-tension the V-belts, then secure the end gear cover before re-connect- ing the power.

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Quick-Change Gearbox

Oil Type..... Grizzly T23962 or ISO 68 Equivalent

Oil Amount	1 Quart
Check/Add Frequency	Daily
Change Frequency	Annually

Checking Oil Level

The gearbox reservoir has the proper amount of oil when the oil level in the sight glass is approxi- mately halfway. The oil sight glass is located on the right side of the gearbox, as shown in Figure 101.

Gearbox Oil

Sight Glass

Figure 101. Location of gearbox oil sight glass.

Adding Oil

Use a 12mm wrench to remove the gearbox fill plug (see Figure 102), then add the oil until the level is approximately halfway in the gearbox oil sight glass.

Fill

Plug

Drain

Plug

Figure 102. Locations of the quick-change

gearbox fill and drain plugs.

Draining Oil

Place a catch pan under the quick-change gear- box drain plug (see Figure 102), use a 12mm wrench to loosen the fill plug and remove the drain plug, then allow the gearbox reservoir to empty.

Model G0740 (Mfg. Since 11/12)