Maintenance Chart - DeWalt D55170 Instruction Manual

NOTE: For constant run operation or units: after the compressor
reaches cut-out pressure the unit will continue to run but will not charge
air. A slight air noise may be heard which is the unloading of the air
through the pump head. For Stop/Start units: after the compressor
reaches cut-out pressure the unit will turn off and a slight air noise will
be heard which is the unloading of the head through the pressure
switch. If unit does not stop, refer to the Dual Control section in the
Common Procedures section.
NOTE: If any unusual noise or vibration is noticed, stop the
compressor and refer to the troubleshooting section.
8. Attach hose and accessory.
9. Adjust regulator to desired setting.
SHUT-DOWN
NOTE: Never stop the air compressor by unplugging it from the power
source. This could result in damage to the unit.
1. Move the ON/OFF lever to the OFF position.
NOTE: If finished using compressor, follow steps 2 - 7 below.
2. Unplug cord from wall outlet.
3. Turn regulator knob counterclockwise until fully closed. Ensure
regulated pressure gage reads 0 PSI.
4. Remove hose and accessory.
5. Drain the air tank(s).
6. Allow the compressor to cool down.
7. Wipe 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 air compressor
2. Disconnect cord from electrical outlet
3. Drain tank(s)
4. Allow air compressor to cool down before starting service
NOTE: All compressed air systems contain maintenance parts (e.g.
lubricating oil, filters, separators) that are periodically replaced. These
used parts 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.
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 belt
Inspect air filter
Clean exterior of compressor
Check safety relief valve
Check belt adjustment
Change pump oil **
* 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.
** The pump oil must be changed after the first 20 hours of operation.
Thereafter, when using D WALT synthetic oil, change oil every 200
E
hours of operation or once a year, whichever comes first. In harsh
environments, maintenance must be performed on a more accelerated
schedule.
11
1 Year or
Day Week Month 200 Hrs.
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