Schneider Electric Air Compressor UNM STL 660-10-270

2.6.11 Replacing the safety valve

1. Detach the safety valve (item 11) by unscrewing it anticlockwise.

2. Apply Loctite® 243 to the thread of the new safety valve or wind Teflon tape around the valve.

3. Screw the new safety valve into place by screwing it clockwise.;

1. The oil level must be between the top and bottom marks (oil dipstick/oil inspection glass). (Figure 4a)

1. Check all screw connections for tight fit and retighten if necessary.

2. Observe the tightening torques (tightening torques calculated according to VDI 2230).;

1. Allow the compressor to warm up, switch it off, disconnect the power supply.

2. Pull out oil filler plug or hose (item 03), hold used oil container under the mini ball valve (item 04), open it and drain used oil completely.

4. Add the prescribed quantity of oil.

5. Check the oil level, correct if necessary. Insert the oil filler plug or hose.

6. Dispose of used oil according to applicable regulations.

2.6.7 Cleaning the intake filter

1. Unscrew the intake filter. (Fig. 5a)

1. Allow the compressor to warm up, switch it off, disconnect the power supply.

2. Pull out oil filler plug or hose (item 03), hold used oil container under the mini ball valve (item 04), open it and drain used oil completely.

4. Add the prescribed quantity of oil.

5. Check the oil level, correct if necessary. Insert the oil filler plug or hose.

6. Dispose of used oil according to applicable regulations.

1. Check all screw connections for tight fit and retighten if necessary.