Maintenance Chart - DeWalt D55250 Guide D'utilisation

6. Follow the "Starting the Engine" procedures in the engine's owner
manual.
7. Rotate the manual lock on the pilot valve into a perpendicular
position so that the pump can charge the tanks.
8. Allow compressor to pump up to the cut-out pressure limit.
NOTE: If any unusual noise or vibration is noticed, stop the compress-
or and refer to the troubleshooting section.
9. Attach the hose and accessory.
10. Adjust the regulator to the desired setting.
SHUT-DOWN
1. Follow the "Stopping the Engine" procedures in engine owner's
manual.
NOTE: When finished using compressor, follow steps 2 - 6 below.
2. Turn the regulator knob counterclockwise until it is fully closed.
Ensure that the regulated pressure gage reads 0 PSI.
3. Remove the hose and accessory.
4. Drain the air tank(s). Ensure that the tank pressure gage reads 0
PSI.
5. Allow the compressor to cool down.
6. Wipe the air compressor clean and store in a safe, non-freezing
area.
Maintenance
The following procedures must be followed when maintenance or
service is performed on the air compressor.
1. Turn off the air compressor.
2. Drain the air tanks.
3. Allow the air compressor to cool down before starting service.
4. Disconnect the spark plug wire.
NOTE: All compressed air systems contain maintenance parts (e.g.
lubricating oil, filters, separators) which are periodically replaced.
These used parts may be, or may contain, substances that are
regulated and must be disposed of in accordance with local, state, and
federal laws and regulations.
NOTE: Take note of the positions and locations of parts during
disassembly to make reassembly easier. The assembly sequences
and parts illustrated may differ for your particular unit.
NOTE: Any service operations not included in this section should be
performed by authorized service personnel.

MAINTENANCE CHART

Procedure
Check pump oil level
Oil leak inspection
Drain condensation in air tank(s)
Check for unusual noise/vibration
Check for air leaks**
Inspect air filter
Clean exterior of compressor
Check safety relief valve
Change pump oil *
Replace air filter
Engine -
* The pump oil must be changed after the first 20 hours of operation.
Thereafter, every 200 hours or once a year, whichever comes first. In
harsh environments, maintenance must be performed on an acceler-
ated schedule.
** To check for air leaks apply a solution of soapy water around joints.
While compressor is pumping to pressure and after pressure cuts out
look for air bubbles.
8
200 Hrs.
Day Week Month or Yearly
X
X
X
X
X
X
X
X
X
X
Follow maintenance chart in
engine owner's manual.