DeWalt D55250 Guide D'utilisation page 8

3. Hold barrel (E).
4. Hold (E) firmly and tighten nut (F).
CHECKING THE COMPRESSOR PUMP OIL LEVEL
WARNING: Aftercooler, pump head, and surrounding parts are very
hot. Do not touch (see Hot Surfaces on page 2).
1, Ensure that the compressor is not running and the engine is off.
2. Place the compressor on a level horizontal surface.
3. Remove dipstick (G) from oil fill port.
4. Look for contaminants (water, dirt, etc.) in the
oil on dipstick.
5. Wipe oil off of the dipstick.
6. Reinsert dipstick fully into oil fill port for a few
seconds to allow oil to collect on the dipstick.
7. Remove oil dipstick to read oil level. Oil should not exceed top
raised line on dipstick. If oil is below lower mark, add D
thetic oil and follow steps 5 - 7.
CHECKING SAFETY RELIEF VALVE OPERATION
WARNING: Aftercooler, pump head, and surrounding parts are very
hot. Do not touch (see the Hot Surfaces identified on page 2).
1. Ensure that the compressor is not running and the engine is off.
2. Ensure that the tank is empty by looking at tank pressure gage.
Drain the tanks if necessary.
3. Grasp the wire ring on safety valve (H).
4. Pull and release the ring a few times to
ensure that the plunger moves in and out.
Replace the safety valve if the plunger does
not move or is difficult to move.
CHECKING AIR FILTER ELEMENT
WARNING: Aftercooler, pump head, and surrounding parts are very
hot. Do not touch. (see Hot Surfaces on page 2).
1. Ensure that the compressor is not running and the engine is off.
2. Allow the compressor to cool.
3. Unscrew the filter from the pump head by
turning the filter counter clockwise.
4. Separate the filter body into two halves.
5. If the filter element needs cleaning blow it out
with air. Replace air filter assembly if unsure
whether element can be cleaned sufficiently.
6. Reconnect the halves of the filter body.
7. Screw the filter into the pump head by turning clockwise until the
filter is hand tight.
STARTING UNIT
Follow the pre-start and start-up procedures in the operating
G
procedures section.
TURNING UNIT OFF
Follow the Stopping the Engine procedures in engine owner's manual.
WALT syn-
E
ADJUSTING REGULATOR
1. Pull regulator knob out.
2. Turn knob clockwise to increase regulated pressure and counter
clockwise to decrease regulated pressure.
3. When desired pressure is shown on the regulated pressure gage
push knob in to lock.
INSTALLING HOSES
WARNING: Firmly grasp the hose when installing or disconnecting
to prevent hose whip.
1. Ensure that the regulated pressure gage reads 0 PSI.
2. Grasp the hose at coupler.
H
3. Pull back the collar on female quick-connect coupler located on the
compressor.
4. Push the male connector into the female connector.
5. Release the female connector.
5
I