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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
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
WALT
e
X
X +
X
X
** +
X
X
X
X
X
X
X*
X
X
See engine instruction manual.
*
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
or an explosion.
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. If the valve is stuck
or does not operate smoothly, it must be replaced with the same
type of valve.
Checking Air Filter Element (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.
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