DeWalt DCPW550, Instruction Manual

7

English

READ ALL INSTRUCTIONS

Important Safety Instructions for All 

Battery Packs

WARNING:

Read all safety warnings, instructions, 

and cautionary markings for the battery pack, 

charger and product. Failure to follow the 

warnings and instructions may result in electric 

shock, fire and/or serious injury.

• 

Do not charge or use the battery pack in explosive 

atmospheres, such as in the presence of flammable 

liquids, gases or dust.

 Inserting or removing the battery 

pack from the charger may ignite the dust or fumes.

• 

NEVER force the battery pack into the charger. DO 

NOT modify the battery pack in any way to fit into a 

non‑compatible charger as battery pack may rupture 

causing serious personal injury. 

Consult the chart 

at the end of this manual for compatibility of batteries 
and chargers.

• 

Charge the battery packs only in 

D

e

WALT

 chargers.

• 

DO NOT

 splash or immerse in water or other liquids.

• 

DO NOT

 allow water or any liquid to enter battery pack.

BATTERIES AND CHARGERS

The battery pack is not fully charged out of the carton. 
Before using the battery pack and charger, read the 
safety instructions below and then follow charging 
procedures outlined. When ordering replacement battery 
packs, be sure to include the catalog number and voltage.

The label on your tool may include the following symbols. The 
symbols and their definitions are as follows:

BPM ....................beats per minute
V ......................... volts
min .....................minutes

j

 or DC ............direct current

…/min ..............per minute
RPM .................... revolutions  per 

minute

A .........................amperes
Hz .......................hertz
W ........................watts
Wh ......................watt hours
no .......................no load speed
n .........................rated speed

c

 .....................safety alert symbol

h

 ..................... wear  respiratory 

protection

f

 ..................... wear eye protection

i

 ..................... Class II Construction 

(double insulated)

g

 ..................... wear  hearing 

protection

a

 ..................... read  all 

documentation

n

 ..................... avoid staring at 

light

l

 or AC............alternating current

Ah ....................... amp  hours

CAUTION:

When not in use, place tool on its 

side on a stable surface where it will not cause a 

tripping or falling hazard. 

Some tools with a large 

battery pack will stand upright but may be easily 
knocked over.

• 

Air vents often cover moving parts and should be 

avoided.

 Loose clothes, jewelry or long hair can be caught 

in moving parts.

Additional Safety Information

WARNING: 

Never modify the power tool or any part of 

it. Damage or personal injury could result.

WARNING: ALWAYS 

use safety glasses. Everyday 

eyeglasses are NOT safety glasses. Also use face or dust 
mask if operation is dusty. ALWAYS WEAR CERTIFIED 
SAFETY EQUIPMENT:
•  ANSI Z87.1 eye protection (CAN/CSA Z94.3),
•  ANSI S12.6 (S3.19) hearing protection,
•  NIOSH/OSHA/MSHA respiratory protection.

WARNING:

 Some dust contains chemicals known 

to State of California to cause cancer, birth defects 
or other reproductive harm. Some examples of these 
chemicals are: 
•  compounds in fertilizers,
•  compounds in insecticides, herbicides 

and pesticides,

•  arsenic and chromium from chemically 

treated lumber. 

To reduce your exposure to these chemicals, wear 
approved safety equipment such as dust masks that 
are specially designed to filter out microscopic particles. 

WARNING: 

Use of this tool can generate and/or 

disperse dust, which may cause serious and permanent 
respiratory or other injury. Always use NIOSH/OSHA 
approved respiratory protection appropriate for 
the dust exposure. Direct particles away from face 
and body.

WARNING:

Always wear proper personal hearing 

protection that conforms to ANSI S12.6 (S3.19) 

during use. 

Under some conditions and duration 

of use, noise from this product may contribute to 
hearing loss.

10 . 

Carefully observe all chemical instructions and 

warnings before using. Use only approved pressure 

washer cleaners. Do not use bleach, chlorine, 

or any cleaners containing acids. Always follow 

manufacturer’s label recommendations for proper 

use of cleaners. 

Always protect eyes, skin and respiratory 

system from cleaners.

11 . 

The pressure washer should not be used in areas 

where gas vapors may be present. 

An electric spark 

could cause an explosion or fire.

12 . To prevent accidental discharge, the spray gun should be 

secured by locking the trigger when not in use.

13 . 

Use only hoses and accessories rated for pressure 

higher than your pressure washer’s psi. 

Never use with 

any other manufacturer’s accessories or components.

14 . Never defeat the safety features of this product.
15 . Do not operate machine with missing, broken or 

unauthorised parts.

16 . Never spray flammable liquids or use pressure washer in 

areas containing combustible dust, liquid, or vapors.