Maintenance - DeWalt DCPW550 Instruction Manual

Cleaning a Surface (Fig. J)

WARNING: Risk of injury from spray. Always engage the
trigger lock when gun is not in use. Failure to do so could
cause accidental spraying.
1. To start the power cleaner, disengage the trigger
lock‑off and squeeze the trigger
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nOTE: The best angle for spraying water against a cleaning
surface is 45 °. Spraying head on tends to cause dirt particles
to embed in the surface. When working on vertical surfaces,
it is best to apply detergent starting at the bottom and
working upwards which will prevent the detergent from
sliding down and causing streaks.
2. To stop the power cleaner, release the trigger.
nOTE: Excessive pump pressure may be the result of a
clogged nozzle or brass coupling. Always turn off the power
cleaner and remove the battery before attempting to
unclog a nozzle or brass coupler.

WARNING: Never draw from water that contains
chemicals. Only draw from fresh water sources.
Shutdown (Fig. A)
1. To stop the power cleaner, release the trigger and
remove the battery.
2. Turn off water at the faucet.
3. Discharge residual pressure by squeezing the trigger
until no more water comes out of the spray wand
4. Disconnect the garden hose from the water intake
and drain hose.
5. Remove garden hose from power cleaner by pulling back
the collar on the quick connect garden hose adapter and
removing it from the quick connect filter.

MAINTENANCE


WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/installing
attachments or accessories. An accidental start‑up can
cause injury.
Cleaning

WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk of eye
injury, always wear ANSI Z87.1 approved eye protection when
performing this procedure.

WARNING: Never use solvents or other harsh chemicals
for cleaning the non‑metallic parts of the tool. These
chemicals may weaken the plastic materials used in these
parts. Use a cloth dampened only with water and mild soap.
Never let any liquid get inside the tool; never immerse any part
of the tool into a liquid.
Nozzle (Fig. A, F)
If the nozzle becomes clogged with foreign materials,
such as dirt, excessive pressure may develop. If the nozzle
becomes partially clogged or restricted, the pump pressure
will pulsate. Clean the nozzle immediately.
1. Shut off the power cleaner
water supply.
2. Pull trigger 6 on main handle
water pressure.
3. Remove the nozzle from the spray wand
the quick connect collar 9
4. Unclog any debris from the nozzle.
.
6
8
2 and turn off the
1 to relieve any
8 by pulling
toward the spray wand.
5. Run water from a faucet or garden hose through
the nozzle.
Soap Bottle (Fig. A)
1. To clean the soap bottle, shut off the power cleaner and
turn off the water supply.
2. Pull trigger on gun handle to relieve any water pressure.
3. Decouple the soap bottle
and unscrew the soap bottle nozzle.
4. To clean the soap bottle
detergent back into its container. Use water from a garden
hose to thoroughly rinse out the bottle. Empty the bottle
and allow it to dry.
5. Reinstall soap bottle nozzle to the soap bottle.
Suction Hose (Fig. K)
1. To clean the suction hose
power cleaner.
2. Pull trigger switch to relieve any water pressure.
3. Decouple the suction hose
4. To clean the suction hose, use water from a garden hose
to thoroughly rinse out the suction hose and allow it to dry.
Suction Hose Filter (Fig. K)
• Turn the filter
counterclockwise and remove. Remove the strainer from
6
inside of the filter. Rinse all of the parts with clean water
.
and reassemble.
3
Quick Connect Filter (Fig. A, L)
1. Pull back the collar on the quick connect hose
connector
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the quick connect filter
2. Remove the quick connect filter from the power cleaner.
3. Inside the quick connect filter
Remove the screen filter and rinse with clean water
and reassemble.
Storage
• Always completely empty water from the suction hose,
power cleaner, spray wand, nozzles, and soap bottle.
• Store in a dry, covered location above freezing
temperature. sTORE inDOORs.
Accessories

WARNING: Since accessories, other than those offered by
D WALT, have not been tested with this product, use of such
e
accessories with this tool could be hazardous. To reduce the
risk of injury, only D
be used with this product.
Recommended accessories for use with your tool are
available at extra cost from your local dealer or authorized
service center. If you need assistance in locating any
accessory, please contact D
(1‑800‑433‑9258) or visit our website: www.dewalt.com.
Repairs
The charger and battery pack are not serviceable. There are
no serviceable parts inside the charger or battery pack.

WARNING: To assure product SAFETY and RELIABILITY,
repairs, maintenance and adjustment (including brush
inspection and replacement, when applicable) should
be performed by a D
D WALT authorized service center. Always use identical
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replacement parts.
from the power cleaner
11
, empty any remaining
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12 , shut off the
from the power cleaner.
12
on the end of the suction hose
18
and remove the garden or suction hose from
.
7
7 is a screen filter
WALT recommended accessories should
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WALT; call 1‑800‑4‑D
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WALT factory service center or a
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English
12
19 .
WALT
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