Storage; Maintenance; Replacing Air Filters; Drive Belt Replacement - AEG AC3050B Original Instructions Manual

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1. Push the power switch to the OFF position to turn off the
2. Unplug the compressor.
3. Run the air tool to relieve the air pressure in the hose, then
remove the air hose and the tool, or release the air by the pressure
relief valve.
4. Drain water from the tank as instructed in Draining the Tank
section. Leave the valve open until the next usage.
5. Store the air compressor in its normal operating position in a dry
and protected area.
Water will condense in the air compressor tank when the
compressor is in operation. Water left in the tank can cause the
tank to weaken and corrode, increasing the risk of tank rupture.
Always disconnect the air hose from tools whenever not in use or
while servicing. During maintenance, a tool connected to air hose
may operate accidentally, causing serious personal injury!
Failure to unplug the air compressor before storage may result
in the compressor running continuously, causing overheating,
damage to the compressor, and possibly a fire.


When servicing use only original replacement parts. Use of any
other parts may create a hazard or cause product damage.
Always wear eye protection with side shields. Failure to do so could
result in objects being thrown into your eyes resulting in possible
serious injury.
Always release all pressure, disconnect from power supply, and
allow unit to cool before cleaning or making repairs on the air
Avoid using solvents when cleaning plastic parts. Most plastics are
susceptible to damage from various types of commercial solvents and
may be damaged by their use. Use clean cloths to remove dirt, dust,
oil, grease, etc.
Do not modify this product in any way or use accessories not
approved by the manufacturer. Your safety and that of others may
be compromised.
Disconnect the power supply before making adjustments or when
doing any maintenance on the machine.
As a routine part of air compressor maintenance, it is also advised that
the oil is routinely checked for proper levels.
Do not at any time let brake fluids, gasoline, petroleum-based
products, penetrating oils, etc., come in contact with plastic parts.
Chemicals can damage, weaken or destroy plastic which may result
in serious personal injury.
See figure 14.
The hot oil can surface can scald or burn your hands. Allow the
compressor to cool 15 minutes before removing the drain plug and
draining the oil.
Replace the oil after the first 10 hours of operation and every 100
hours following the first oil change.
The sight glass indicates the oil level and lets the operator check if
oil should be added.
1. Place a suitable container underneath the drain to collect used oil.
2. Remove the drain plug using a wrench.
3. When the used oil has drained, reinstall the drain plug and tighten
with the wrench.
4. Unscrew the cap of oil fill hole.
5. To refill, use a funnel to pour oil into the fill hole. Refill only with
SAE-30 oil.
NOTE: Avoid refilling with too much oil. Ensure that the level of
the oil does not exceed the top of the red dot at sight glass. The
recommended amount of oil for refilling is 400 ml.
6. Tighten the cap securely into the oil fill hole.


See figure 15.
Follow the instructions below to replace the air filters:
Normal environment
Check and clean the filters once a month. Replace damaged or heavily
clogged filters.
Heavy-dust environment
Check and clean the filters once a week. Replace damaged or heavily
clogged filters.
To replace an air filter:
Remove the air filter cover by turning counterclockwise.
2. Remove the air filter.
3. Install new air filter.
4. Refit the air filter cover and rotate clockwise to secure.


Visually inspect the drive belt once a month for any cracks, damage
and loss of tension. If the drive belt is damaged or loose, have it
replaced by an authorised service centre.
Replacement of the drive belt must be carried out by an authorised
service centre.


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