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WARNING: Risk of bursting. Drain air tank daily. Water will
condense in air tank. If not drained, water will corrode and weaken
the air tank causing a risk of air tank rupture.
6. Allow the compressor to cool down.
7. Wipe air compressor clean and store in a safe, non freezing area.
MAINTENANCE
WARNING:The following procedures must be followed when
maintenance or service is performed on the air compressor.
1. Ensure engine ON/OFF switch (C) is in the OFF position.
2. Disconnect spark plug wire.
3. Drain air tank.
4. Allow air compressor to cool down before starting service.
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
Check safety valve
Inspect air filter
Drain air tank
WALT
e
X
X +
X
Check pump oil level
Change pump oil
Oil leak inspection
Inspect drive belt
Check drive belt tension
Check pulley/flywheel align-
ment
Check for unusual noise/
vibration
Check for air leaks
Clean compressor exterior
Remove tank from service
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 full synthetic non-detergent air
compressor oil, change oil every 200 hours of operation or once
a year, whichever comes first.
+
Perform more frequent in dusty or humid conditions.
++ For more information, call 1-888-895-4549
Checking Safety Valve (Fig. 1)
WARNING: Hot surfaces. Risk of burn. Aftercooler, pump
head, and surrounding parts are very hot, do not touch (see the
Hot Surfaces identified in Fig. 2). Allow compressor to cool prior
to servicing.
WARNING: Risk of bursting. If the safety valve does not work
properly, over-pressurization may occur, causing air tank rupture
16
X
** +
X
X
X
X
X
X
X*
X
X
See engine instruction manual.
++
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