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4. Using the nozzle cleaning tool, free any foreign
material clogging or restricting nozzle openings.
(See Figure 10)
5. Flush debris out of the nozzle. Direct the flow of water
through the nozzle backwards from the outside to the
inside.
6. Turn on the water supply (DO NOT START THE
PRESSURE WASHER) and squeeze the trigger on the
gun. Allow water to run through the spray bar for
approximately 30 seconds.
7. Reinstall the nozzles on the spray bar. Tighten securely.
Align the nozzle opening as shown in Figure 11.
NOTE: Make sure the groove on the face of the nozzle is
parallel to the spray bar.
NOTE: If the nozzles are not cleaned or aligned correctly,
the spray bar will not rotate properly, it will not clean as
intended and may have a severe vibration.
WARNING:
If the surface cleaner experiences severe vibration,
STOP using immediately. Continuing to use the surface
cleaner may damage the shroud and result in serious
injury.
NOTE: If your spray pattern begins to change, it could
mean that the nozzles are worn and they need to be replaced.
NOTE: If the nozzles continue to get clogged, you may want to consider adding an in-line filter. You
can contact us at +1 (866) 870-9930 or email us at support@surfacemaxx.com for more details.
TROUBLESHOOTING
PROBLEM
Inadequate cleaning
power.
POSSIBLE CAUSE
1. Not enough PSI from pressure
washer.
2. Inadequate water supply.
3. Engine RPM on pressure washer
is too low.
4. Nozzle obstructed or worn.
5. Incorrect nozzle orifice size.
Figure 10
Spray Bar
Figure 11
CORRECTIVE ACTION
1. Most effective cleaning range is
3600-4500 PSI.
2. Turn water supply completely "ON"
and/or clean water filter on
pressure washer. Ensure unit
produces a minimum of 2.5 GPM.
3. Increase throttle.
4. Clean or replace as necessary.
5. Insert correct nozzle.
8
Nozzle
Cleaning
Tool
Nozzle
Opening
Nozzle Opening
After tightening securely,
nozzle opening should be
pointed in same direction
as spray bar
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