Mains Connection; Generating Compressed Air; Care And Maintenance; Periodic Maintenance - Metabo Classic 250 Operating Instructions Manual

ENGLISH
Check condensate drain
•
Check to see that the condensate
drain's screw (36) is closed.
4.2

Mains connection

B
Danger! High voltage
Operate machine in dry envi-
ronment only.
Operate machine only on a power
source complying with the following
requirements:
− outlets properly installed, earthed
and tested;
− fuse protection in accordance
with the Technical Specifications.
Position power cable so it does not
interfere with the work and is not
damaged.
Always check to see that the machine
is switched OFF before plugging in.
Protect power cable
aggressive liquids and sharp edges.
Use only extension cables with suffi-
cient lead cross section (see "Techni-
cal Specifications").
Do not stop the compressor by
unplugging, but switch OFF using the
switch.
Unplug after use.
4.3

Generating compressed air

1. Start compressor (37) and wait until
the max. tank pressure is reached
(compressor shuts off).
The tank pressure is indicated by
the tank pressure gauge (41).
12
37
35
2. Set pressure regulator (38) to
required working pressure. The cur-
rent working pressure is indicated
by the regulated pressure gauge
(40).
A
Caution!
The regulated pressure may
not be set higher than the max. work-
ing pressure of the connected air
tools!
3. Connect air hose to compressed air
outlet (39).
36
4. Connect air tool.
You are now ready to work with the
air tool.
5. Switch the compressor OFF (37), if
you do not continue working imme-
diately afterwards.
switching OFF.

5. Care and Maintenance

A
Danger!
Prior to all servicing:
− Switch Off.
− Unplug.
− Wait until the compressor has
come to a complete stop.
− Ensure the compressor and all air
tools and accessories connected
to it are relieved from pressure.
from heat,
− Let the device and all air tools
and accessories used cool off.
After all servicing:
− Check to see that all safety
devices are operational.
− Make sure that no tools or other
parts
machine.
Repair and maintenance work other
than described in this section must
only be carried out by qualified spe-
cialists.
5.1

Periodic maintenance

Prior to each use
•
Check
replace if necessary.
38
39
40
41
Unplug after
remain on or in the
air hoses for damage,
•
Check all screwed connections for
tightness, tighten if necessary.
•
Check power supply cable for dam-
age, if necessary have replaced by
a qualified electrician.
Every 50 operating hours
•
Check air filter element (42) of com-
pressor pump, clean if necessary.
•
Check oil level of pump at oil sight
glass (43), top up oil if necessary.
43
•
Drain condensate from pressure
vessel (44).
Every 250 operating hours
•
Replace air intake filter element of
compressor pump.
Every 500 operating hours
•
Drain oil and fill with fresh oil.
Every 1000 operating hours
•
Have unit serviced by an authorized
service station. This will extent the
compressor's service life considera-
bly.
42
44