7
309016
Operation
Installing and Changing Spray Tips
Tips are stored in storage holes on the cart of the
pressure washer.
WARNING
To reduce the risk of serious bodily injury, including
fluid injection and splashing in the eyes or on the
skin, use extreme caution when changing spray
tips.
Always follow the procedure below.
1.
Relieve the pressure.
See page 5.
2. Select a spray tip appropriate for your application.
Spray tips are stamped with 4- or 5-digit numbers.
The first two digits denote the spray angle. The
following table lists the spray tips.
NOTE: The chemical injector tip is brass and has
a large opening and a black plastic cap.
Spray Tip Number
Spray Pattern Fan Angle
00XXX
0
_
blaster (red)
15XXX
15
_
(yellow)
25XXX
25
_
(green)
40XXX
40
_
(white)
3. Point the gun and wand away from yourself and
anyone else.
4. Without holding your hand over the spray tip (A),
pull back the quick coupler ring (B). Remove the
current tip, install a different one, and push back
the ring. See Fig. 3.
04929
Fig. 3
A
B
5. Pull on the tip to be sure the tip is secure before
you spray again.
CAUTION
To avoid blowing the O-ring out of the quick coupler
due to the high pressure in the system, never
operate the pressure washer without a tip securely
mounted in the quick coupler.
NOTE: See the sandblaster kit manual for detailed
cleaning information if this accessory is used.
Shutdown, Flushing, and Storage
Antifreeze Flush Kit 802327 is available to make
flushing easier. This kit is for flushing the system with
50% antifreeze solution prior to transporting or storing
the pressure washer in below-freezing temperatures.
CAUTION
If water does freeze in the pressure washer, thaw it
in a warm room before trying to start it. Do not
pour hot water on or into the pump; it could crack
the ceramic plungers.
For
Pressure Relief,
see page 5.
D
If the pressure washer will be exposed to freezing
temperatures, flush the unit with a 50% antifreeze
solution.
Relieve the pressure and flush the
pressure washer before you use it again to remove
the antifreeze.
D
Before long-term (overnight) storage or transporting
of unit, disconnect the water supply and turn off the
fuel supply valve.
D
After each use, wipe all surfaces of the pressure
washer with a clean, damp cloth.
D
Perform the appropriate maintenance. See
Maintenance chart on page 9.
Summary of Contents for AquaMax 804594 A Series
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