5. Unscrew and remove the oil filler cap 1 .
6.
Loosen and remove the locking lever 8
.
7.
Screw the hose coupling 9
onto the 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.
Further information See engine service manual for oil change under dusty conditions.
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 dipstick 3 to check the oil level.
The level must be between marks A and B.
1. Pull out the dipstick 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.
Starting the machine and performing a test run:
1. Start the machine and allow it to idle for at least 5 minutes.
2. Check the engine oil level.
Top up as necessary.
3. Visually inspect for leaks.
4. Shut down the machine.
10 Maintenance
10.3 Engine
82
SERVICE MANUAL Screw Compressor
M26 No.: 9_9446 01 USE