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NOTE: All compressed air systems contain maintenance parts (e.g.,
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 a D
WALT factory service center or a D
E
authorized service center.
Maintenance Chart
Procedure
Daily
Check safety valve
X
Inspect air filter
Drain air tank
X
Check for unusual noise/
X
vibration
Check for air leaks*
X
Clean compressor exterior
* 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.
Checking Safety Valve (Fig. 1)
WARNING: Risk of bursting. If the safety valve does not work
properly, over-pressurization may occur, causing air tank rupture or
an explosion.
WALT
E
Weekly Monthly
1 year or
200 Hours
X
X
WARNING: Risk from flying objects. Always wear certified safety
equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3) with side
shields when using the compressor.
Before starting compressor, pull the ring on the safety valve to
make sure that the safety valve operates freely. Before starting
compressor, pull the ring on the safety valve to make sure that the
safety valve operates freely. NOTE: Ring may be difficult to pull
when air tank pressure is at 0 PSI. If the valve is stuck or does not
operate smoothly, it must be replaced with the same type of valve.
Draining Air Tank (Fig. 1)
WARNING: Risk of unsafe operation. Risk from noise. Air tanks
contain high pressure air. Keep face and other body parts away from
outlet of drain. Use eye protection [ANSI Z87.1 (CAN/CSA Z94.3)]
when draining as debris can be kicked up into face.
WARNING: Risk from noise. Use ear protection [ANSI S12.6
(S3.19)] as air flow noise is loud when draining.
NOTE: All compressed air systems generate condensate that
accumulates in any drain point (e.g. tanks, filter, aftercoolers, dryers).
This condensate contains lubricating oil and/or substances which
may be regulated and must be disposed of in accordance with local,
state, and federal laws and regulations.
1. Ensure On/Auto/Off switch is in the OFF position.
2. Lift compressor into an inclined position so drain valve (M) is at
the lowest point (this will assist in removing moisture, dirt, etc.
from air tanks).
3. Place a suitable container under the drain valve to catch
discharge.
4. Grasp lever on drain valve.
5. Slowly rotate lever to gradually bleed air from air tank.
WARNING: Risk of bursting. Drain air tank daily. Water will con-
dense in air tank. If not drained, water will corrode and weaken the
air tank causing a risk of air tank rupture.
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