DeVillbiss Air Power Company Excell A16617 - Manual (Page 15)

15 - ENG A16617
3. Disconnect the spray wand from
the gun.
4. Remove the high-pressure nozzle
from the spray wand. Remove
any obstructions with the nozzle
cleaning tool provided and
backfl ush with clean water.
5. Direct water supply into spray
wand to backfl ush loosened
particles for 30 seconds.
6. Reassemble the nozzle to the
wand.
7. Reconnect spray wand to gun
and turn on water supply.
8. Start pressure washer and place
spray wand into high pressure
setting to test.
HOW TO CLEAN THE WATER
INLET FILTER
This screen fi lter should be checked
periodically and cleaned if necessary.
1. Remove
fi lter by
grasping end
and removing
it from water
inlet of pump
as shown.
2. Clean fi lter by fl ushing it with
water on both sides.
3. Re-insert fi lter into water inlet of
pump. NOTE: Cone side faces out.
NOTE: Do not operate pressure
washer without fi lter properly installed.
MAINTENANCE
Risk of burn
hazard. When
performing maintenance, you may
be exposed to hot surfaces, water
pressure or moving parts that can
cause serious injury or death.
Risk of fi re hazard.
Always disconnect,
spark plug wire, let the engine
cool and release all water pressure
before performing any maintenance
or repair. The engine contains
fl ammable fuel. Do not smoke
or work near open fl ames while
performing maintenance.
To ensure effi cient operation and
longer life of your pressure washer, a
routine maintenance schedule should
be prepared and followed. If the
pressure washer is used in unusual
conditions, such as high-temperatures
or dusty conditions, more fre quent
maintenance checks will be required.
ENGINE
Consult the Engine Owners
Manual for the man u fac tur er's
recommendations for any and all
maintenance. NOTE: The frame is
equipped with an oil drain hole to help
make changing the engine oil easier.
PUMP
The pump on this unit is maintenance
free and requires no oil, if there is a
problem with the pump contact an
Authorized Service Center.
NOZZLE CLEANING
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
using the nozzle kit supplied and the
following instructions:
1. Shut off the pressure washer and
turn off the water supply.
2. Pull trigger on gun handle to
relieve any water pressure.
Filter Screen