Efco Oleo-Mac PWX 200C Operators Instruction Book page 21

PROBLEMS
The engine does not start
or there is a malfunction
with it or it stops while
working.
The high pressure cleaner
is vibrating a lot and is
noisy.
The high pressure cleaner
fails to reach maximum
pressure.
Poor detergent suction
No water coming through
the nozzle.
TROUBLESHOOTING
CAUSES
Refer to the engine operating and
maintenance manual.
The water inlet filter (22) is dirty. Follow the instructions given in the
Air suction.
Not enough water is being
supplied or priming depth is
excessive.
The regulation valve is set
for a pressure lower than the
maximum one.
The nozzle holder head (24) is in
the low pressure position (Fig. 3 -
Position a).
The nozzle is worn.
Not enough water is being
supplied or priming depth is
excessive.
The nozzle holder head (24) is
not in the low pressure position
(Fig. 3 - Position b).
Detergent suction filter (10)
clogged.
The detergent being used is too
viscous.
No water.
Suction depth is excessive
Water nozzle clogged.
REMEDIES
Refer to the engine operating and
maintenance manual after having
made sure there is fuel in the tank.
"r m
outine aintenanCe
Check soundness of the suction circuit.
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
"s
the
peCiFiCations and teChniCal data
paragraph.
Turn the pressure regulating knob (17)
clockwise.
Proceed as explained in Fig. 3 -
Position b.
Replace the nozzle as explained in the
"r m
outine aintenanCe
Make sure the tap is fully open and
that the mains flow rate or priming
depth conform to what is specified in
"s
the
peCiFiCations and teChniCal data
paragraph.
Proceed as explained in Fig. 3 -
Position a.
Follow the instructions given in the
"r m
outine aintenanCe
Use a detergent recommended by the
manufacturer and follow the diluting
instructions on the label.
Check that the mains water tap is fully
open or that the suction hose is able
to prime.
Make sure priming depth conforms to
what is specified in the
" paragraph.
and teChniCal data
Clean and/or replace the nozzle
as explained in the
m " paragraph.
aintenanCe
GB
" paragraph.
"
" paragraph.
"
" paragraph.
"s
peCiFiCations
"r
o u t i n e
21