DeVillbiss Air Power Company DAPC D25690, Руководство оператора

Страница: 17 / 20

17- ENG
D25690
Water leaking
at pump
Water leaking
at gun/wand
connection
No or low
pressure
(after period of
normal use)
PROBLEM
CAUSE CORRECTION
Wand not in low pressure.
See How to Use Wand paragraph
in the Operation Section.
Chemical screen not in chemical
Clean filter.
Chemical too thick.
Dilute chemical. Chemical should
be the same consistency as
water.
Pressure hose is too long
Lengthen water supply hose
instead of pressure hose.
Chemical build up in chemical
injector.
Have parts cleaned or replaced
by AWSC.
Worn seal or packing
Have replaced by AWSC.
Worn or obstructed valves.
Have replaced by AWSC.
Worn unloader piston.
Have replaced by AWSC.
Worn E-Z start valve.
Check and replace.
Loose hose connection.
Loose connections.
Tighten.
Piston packings worn. Have replaced by AWSC.
Worn or broken o-rings. Have replaced by AWSC.
Pump head or tubes damaged
from freezing. Have replaced by AWSC.
Will not draw
chemicals
Insure end of chemical hose is
fully submerged into chemical.
Chemical filter clogged.
Worn or broken o-ring.
Tighten.
Have replaced by AWSC.
Oil leaking at
pump
Oil seals worn. Have replaced by AWSC
Loose drain plug.
Worn drain plug, o-ring
Worn fill plug o-ring.
Pump overfilled.
Incorrect oil used.
Vent plug is clogged.
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 persists, replace plug.