DeWalt D55270 Manual De Instrucciones página 13

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 **
Engine
* 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 to form.
** The pump oil must be changed after the first 20 hours or operation.
Thereafter, when using D WALT synthetic oil, change oil every 200
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hours of operation or once a year, whichever comes first. In harsh
environments, maintenance must be performed on a more accelerated
schedule.
COMPRESSOR PUMP OIL CHANGE
NOTE: Pump oil contains substances that are regulated and must be
disposed of in accordance with local, state and federal laws and
regulations.
WARNING : Aftercooler, pump head, and surrounding parts are very
hot; do not touch. (see the Hot Surfaces identified on page 2)
1. Ensure unit is off.
2. Allow the unit to cool.
I Year or
Day Week Month 200 Hrs.
X
X
X
X
X
X
X
X
X
X
X
See engine owner's manual.
3. Locate a suitable container under drain plug (O).
4. Remove the knurled filler knob (N) from crankcase.
5. Remove the oil drain plug.
6. Allow ample time for all oil to drain out. (Tilting
the compressor towards the drain plug will
assist in draining.)
7. Install the oil drain plug.
8. Fill pump with D WALT synthetic compressor
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oil. Oil should not exceed top raised line on
side of crackcase. (Oil will be even with bottom of threads in
crankcase fill port.)
9. Install knurled filler knob.
CHECKING BELT TENSION
WARNING : Aftercooler, pump head, and surrounding parts are
very hot; do not touch. (see the Hot Surfaces identified on page 2)
1. Ensure unit is off and unplugged from wall.
2. Allow unit to cool down so pump can be touched.
3. FOR K PUMP UNITS
Remove six belt guard mounting fasteners (2 on the pump head
and 4 on the deck)
FOR G PUMP UNITS
Remove seven belt guard mounting fasteners (2 on the pump head,
1 J-hook, and 4 on the deck)
4. Remove guard.
5. Place a 12" ruler perpendicular to belt and at the middle of the
longest span.
6. Push up and down on the belt in the middle of the span with
approximately 8 lbs. of force and notice the amount of deflection
using the ruler. Belt should not move more than 1/2"; if so, see
ADJUSTING BELT TENSION section.
7. Replace belt guard
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N
O