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5. Tighten all fittings.
6. Close the door.
10.4.4 Checking the engine oil level
The engine oil is indicated by a dipstick in the oil sump. The oil level should ideally be between the
two marks on the dipstick. The oil level should not be allowed to fall below the
minimum level.
Material Cleaning cloths
Precondition The machine is switched off.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 psig.
Engine cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
Fig. 50 Checking the engine oil level
1
Oil filler neck cover, engine oil
2
Oil dipstick
A
Mark for
maximum oil level
B
Mark for
minimum oil level
1. Open the right-hand access door.
2. Withdraw the dipstick, wipe with a lint-free cloth and replace fully.
3. Withdraw the dipstick once more and read off the oil level.
Oil level between both markings: Oil level OK.
The level has reached the
minimum level or is below the mark: Replenish engine oil.
4. Close the door.
The marked maximum oil level should not be exceeded in order for the level of oil in the
crankcase not to reach the crankshaft. If this occurs, it could create oil bubbles that would
reduce the oil's lubricating capability and impair engine performance.
10 Maintenance
10.4 Engine maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
117