Draining the engine oil
The engine oil sump is equipped with an oil drain valve.
The oil drain valve is positioned next to the engine oil sump and the cooler.
Drain the oil by screwing the hose coupling on the oil drain valve.
Machine status
Oil drain valve status
Protective cap
Male hose coupling
1 Mode
(machine runs)
closed
connected
removed
2 Oil drain
(machine does not run)
open
removed
connected
Tab. 94 Oil drain valve
1. Unscrew and remove the oil-tight plug
5
.
2. Place the oil receptacle below the corresponding drain hole in the floor pan.
3. Pass the loose end of the drain hose through the opening in the floor pan.
4. Place the end of the hose in a suitable container.
5. Unscrew and remove the oil filler cap
1
.
6. Loosen and remove the protective cap
8
.
7. Screw the hose coupling
9
onto the oil drain valve.
Engine oil drains.
8. Unscrew and remove the hose coupling.
The oil drain valve is again closed.
9. Replace the protective cap.
10. Re-insert the oil-tight plug and tighten.
Dispose of old oil and oil-soaked working materials according to environmental protection
regulations.
Filling with engine oil
Precondition The oil drain valve is closed.
Unscrew the protective cap from the drain valve.
1. Pour in the specified volume of fresh oil into the oil filler.
2. Screw on the filler cap
1
.
Checking the engine oil level
It takes a few minutes for oil to reach the sump.
Wait 5 minutes then use the dip stick.
3
to check the oil level.
The level must be between marks A and B.
1. Pull out the dip stick
3
, wipe it clean and reinsert it.
2. Pull out the dipstick once more and read off the oil level.
3. Top up if the level is too low.
4. Reconnect the negative cable to the battery.
10 Maintenance
10.3 Drive engine maintenance
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
115
