Southbend SB1012 Lead Screw & Feedrod Bearings, Ways & Slides, Unpainted & Machined Surfaces

For Machines Mfg. Since 7/09 M A I N T E N A N C E EVS Toolroom Lathes

Lead Screw & Feedrod Bearings

Oil Type	Mobil Vactra 2 or ISO 68 Equivalent
Oil Amount		1 Liter
Check/Add Frequency		.................................... Daily

Checking & Adding Oil

To check the oil level, remove the fill plug and look inside the reservoir (Figure 116). The oil level must remain full to keep the leadscrew bearing adequately lubricated. Pour oil in the reservoir until it is as full as possible without overflowing.

Leadscrew Fill Plug

		Oil Reservoir
		for Feedrod
		& Leadscrew
		Bearings
	Figure 116. Leadscrew lubrication.
Lead Screw
Oil Type	...... Mobil Vactra 2 or ISO 68 Equivalent
Oil Amount		As Needed
Lubrication Frequency		Daily

Before lubricating the leadscrew (Figure 116), clean it first with mineral spirits. A paint brush works well to help clean out the threads. Make sure to move the carriage out of the way, so you can clean the entire length of the leadscrew.

Apply oil along the length of the leadscrew. Use a paint brush to make sure the oil is evenly applied and down in the threads.

Ways & Slides

The way pump shown in Figure 117 lubricates the saddle and cross slide way guides with the oil from the apron reservoir.

To use the way pump to lubricate the ways, pull the pump knob out for two or three seconds and then push it in. The pump draws oil from the apron reservoir and then forces it through drilled passages to the way guides.

Repeat this process and move the carriage left/ right and the cross slide forward/backward to distribute oil along the way guides.

Lubricate the guides once before and once after operating the lathe. If the lathe is in a moist or dirty environment, increase the lubrication interval and make sure to keep the oil level full.

Fill Plug

Way

Pump

Sight Glass

Figure 117. Location of way pump, fill plug, and sight

glass on the apron.

Unpainted & Machined Surfaces

Besides the ways and leadscrew, all other unpainted and machined surfaces should be wiped down daily to keep them rust-free and in top condition. This includes the top of the saddle, the cross slide, compound slide, tool post, chuck, feedrod, and any other surface you can find that could be vulnerable to rust if left unprotected (this especially includes any parts that may be exposed to water soluble cutting fluids). Typically with these parts, a thin film of oil is all that

is necessary for protection. Any quality metal protectant can be used to protect machined surfaces, including either of the oils you use elsewhere in the lathe.

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