DeWalt DPD3800 Instruction Manual page 12

WARNING: Flying object could cause risk of serious injury. Ensure
nozzle is completely inserted in quick-connect socket and quick-
connect snap ring is fully engaged (forward) before squeezing gun
trigger.
chemicals and cleaning Solvents
Applying chemicals or cleaning solvents is a low-pressure operation.
note: Use only soaps and chemicals designed for pressure washer
use. Do not use bleach.
to aPPLy cheMIcaLs anD soLVents
1. Press chemical hose (S) onto barbed
fitting located near high pressure hose
connection of pump as shown.
2. Place the other end of chemical hose
with filter on it into the container holding
chemical/cleaning solution.
note: For every 7 gallons (26.5 liters)
of water pumped 1 gallon (3.8 liters) of chemical/cleaning solution
will be used.
3. Install low-pressure (black) nozzle into quick connect fitting of spray
wand, refer to spray Wand nozzles. note: Chemicals and soaps
will not siphon if the black soap nozzle is not installed on the
spray wand.
4. After use of chemicals, place chemical hose into container of clean
water and draw clean water through chemical injection system
to rinse system thoroughly. If chemicals remain in the pump it
could be damaged. Pumps damaged due to chemicals will not be
covered under warranty.
Starting
WARNING: To reduce the risk of injury, read the pressure washer
instruction manual and the engine instruction manual before starting
pressure washer.
DANGER: Risk of fluid injection and laceration. When using the
high-pressure setting, Do NoT allow the high-pressure spray to
come in contact with unprotected skin, eyes or with any pets or ani-
mals. Serious injury will occur.
• Your washer operates at fluid pressures and velocities high
WARNING: Risk of fire, asphyxiation and burning. NEVER fill fuel
tank when engine is running or hot. Do not smoke when filling fuel
S
tank.
• Never fill fuel tank completely. Fill tank to 1/2" (12.7 mm) below
• Never run engine in doors or in en closed, poorly ven ti lat ed
• Do NoT let hoses come in contact with very hot engine
CAUTION: Never pull water supply hose to move pres sure wash-
er. This could damage hose and/or pump inlet.
• Do NoT use hot water, use cold water only.
• Never turn water supply off while pressure washer engine is
12
enough to penetrate human and animal flesh, which could
result in amputation or other serious injury. Leaks caused by
loose fittings or worn or damaged hoses can result in injection
injuries. Do NoT TREAT FLUID INJECTIoN AS A SIMPLE
CUT! See a physician immediately!
bottom of filler neck to provide space for fuel expansion. Wipe any
fuel spillage from engine and equipment before starting engine.
areas. En gine exhaust con tains carbon mon ox ide, an odorless
and deadly gas.
muffler during or immediately after use of your pressure
washer. Damage to hoses from contact with hot engine
surfaces will NoT be covered by warranty.
running or damage to pump will result.