Comet 9050 0501, Инструкция по эксплуатации и техническому обслуживанию

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17
SUPPLEMENTARY MAINTENANCE
Supplementary maintenance must be carried out by a
QUALIFIED TECHNICIAN
, following the table below (guideline data).
MAINTENANCE INTERVAL OPERATION
Every 200 hours • Check the pump hydraulic circuit (water). • Check pump fixing.
Every 500 hours • Pump oil replacement.
• Check pump delivery/intake valve.
• Check tightness of pump screws.
• Check pump control valve.
• Check the safety devices.
PROBLEMS, CAUSES AND REMEDIES
PROBLEMS CAUSES REMEDIES
The high-pressure
water cleaner does
not start when the
master switch (1) is
place into position
“1”.
The safety device of the system
to which the high-pressure water
cleaner is connected has cut-in (fuse,
differential switch, etc.).
Plug not connected correctly.
Reset the safety device.
IF IT CUTS-IN AGAIN, DO NOT USE THE HIGH-PRESSURE WATER
CLEANER AND CONTACT A QUALIFIED TECHNICIAN.
Disconnect the plug and reconnect it correctly.
The high-pressure
water cleaner vibrates
a lot and is noisy.
Dirty water inlet filter (18).
Drawing in air.
Insufficient water supply or excessive
priming depth.
Follow that indicated in paragraph
“ROUTINE MAINTENANCE”.
Check the condition of the suction circuit.
Make sure that the tap is fully open and that the flow rate of the mains water
or the priming depth are in accordance with that indicated in paragraph
“TECHNICAL CHARACTERISTICS AND SPECIFICATIONS”
.
The high-pressure
water cleaner does
not reach maximum
pressure.
The control valve is set at a value lower
than the maximum.
Nozzle head (30) in low pressure
(Fig. 3 - Position a).
Nozzle worn-out.
Insufficient water supply or excessive
priming depth.
Turn the knob (8) clockwise.
Carry out the operation indicated in Fig. 3 - Position b.
Replace the nozzle following that indicated in paragraph
“ROUTINE
MAINTENANCE”
.
Make sure that the tap is fully open and that the flow rate of the mains water
or the priming depth are in accordance with that indicated in paragraph
“TECHNICAL CHARACTERISTICS AND SPECIFICATIONS”
.
P o o r d e t e r g e n t
suction.
Nozzle head (30) is not in low pressure
(Fig. 3 – Position b).
The detergent adjustment knob of the
cap (11) Is not fully open.
After using the external tank, the cap
(33) has been incorrectly repositioned.
Blocked detergent suction filter (39).
Excessive detergent viscosity.
Carry out the operation indicated in Fig. 3 - Position a.
Turn the knob anti-clockwise.
Reposition the cap correctly.
Follow that indicated in paragraph
“ROUTINE MAINTENANCE”
.
Use a detergent recommended by the manufacturer, maintaining the
dilution indicated on the label.
Water does not exit
the nozzle.
No water.
Excessive suction depth.
Blocked nozzle.
Check that the mains tap is fully open or that the suction pipe can prime.
Check that the priming depth complies to that indicated in paragraph
“TECHNICAL CHARACTERISTICS AND SPECIFICATIONS”
.
Clean and/or replace the nozzle as indicated in paragraph
“ROUTINE
MAINTENANCE”
.
The high-pressure
water cleaner stops
while operating.
The safety device of the system
to which the high-pressure water
cleaner is connected has cut-in (fuse,
differential switch, etc.).
Amperometric safety device has cut-in.
Reset the safety device.
IF IT CUTS-IN AGAIN, DO NOT USE THE HIGH-PRESSURE WATER
CLEANER AND CONTACT A QUALIFIED TECHNICIAN.
Follow that indicated in paragraph
“SAFETY DEVICES”
.
The high-pressure
water cleaner starts
spontaneously.
Leaks and/or dripping in the delivery
circuit.
Check the condition of the delivery circuit.
When turning the
master switch (1) The
engine hums but does
not start.
Unsuitable electrical system and/or
extension lead.
Check that the electrical connections have been made correctly (see
INSTRUCTION MANUAL - SAFETY WARNINGS
), with particular
reference to the extension lead used.
GB