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Checking the sealing
1. Check that the O-ring is in an appropriate condition.
2. If the O-ring is damaged, replace it.
Checking the cooling oil level
1. Check whether the cooling oil is visible in the oil filler port.
2. If necessary, replenish the cooling oil.
Reinserting the screw plug
1. Insert the screw plug.
2. Manually turn the screw plug in the direction of the arrow
7
.
3. Close the door.
10.6.2 Filling or topping off the cooling oil
Material Cooling oil
Funnel
Cleaning cloth
Wrench
Precondition The machine is switched off and has cooled down.
The machine is standing level.
Air consumers are disconnected,
the outlet valves are open,
the machine is fully vented, the pressure gauge reads 0 psig!
Left door is open, «Controller ON/OFF» switch is switched off,
the minus cable of the battery has been disconnected.
Filling in cooling oil
A sticker on the oil separator tank specifies the type of oil used.
1.
The machine could be damaged by unsuitable oil!
➤ Never mix different types of oil.
➤ Never top off with a type of oil that differs from the one already used in the machine.
2. Loosen and remove screw plug from the filler port.
3. Top off the cooling oil to the maximum level
B
with the help of a funnel.
4. Check the oil level.
5. Check the filler plug gasket for damage.
Damaged gasket: replace gasket.
6. Replace the screw plug in the filler port.
Preparing for operation
1. Connect the negative battery terminal.
2. Switch on the «Controller ON/OFF» switch.
3. Close the door.
10 Maintenance
10.6 Compressor Maintenance
134
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M55 PE SIGMA CONTROL SMART pV
No.: 902366 10 USE