DeVillbiss devap DVH3000 Manual De Operación página 18

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PROBLEM
Spray wand not in low pressure.
Will not draw
chemicals
Chemical filter clogged.
Chemical screen not in cleaning
solution.
Chemical too thick.
Pressure hose is too long
Chemical build up in chemical
injector.
Worn seal or packing
No or low
pressure
Worn or obstructed valves.
(after period
of normal Worn unloader piston.
use)
Water leaking
Worn or broken o-ring.
at gun/
spray wand
Loose hose connection.
connection
Water
Loose connections.
leaking at
Piston packings worn.
pump
Worn or broken o-rings.
Pump head or tubes damaged
from freezing.
Pump Nozzle obstructed.
Pulsates
Oil leaking at
Oil seals worn.
pump
Loose drain plug.
Worn drain plug o-ring
Worn fill plug o-ring.
Pump overfilled.
Incorrect oil used.
Vent plug is clogged.
AWSC = Authorized Warranty Service Center
A16091
CAUSE
18- ENG
CORRECTION
See How to Use Spray Wand
paragraph in the Operation
Section.
Clean filter.
Make sure end of chemical hose
is fully submerged into cleaning
solution.
Dilute chemical. Chemical should
be the same consistency as water.
Lengthen water supply hose
instead of high pressure hose.
Have parts cleaned or replaced
by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Check and replace.
Tighten.
Tighten.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
See Nozzle Cleaning paragraph in
the Maintenance section for the
correct procedure.
Have replaced by AWSC
Tighten.
Check and replace.
Check and replace.
Check for correct amount.
Drain and fill with correct amount
and type of oil.
Clean vent plug; blow air through it
to remove any blockage. If prob lem
per sists, replace plug.