Safety Valve - Defort DPW-1800-VAC Manual De Instrucciones

Do not disconnect the plug by pulling on the electrical
cable.
If you are too far from the object you wish to clean, do
not move the cleaner nearer by pulling on the high pres-
sure hose; use the handle provided.
In versions not equipped with TSS device, do not oper-
ate the cleaner for more than 1-2 minutes with the gun
closed as this could damage the seals.
Protect the cleaner from freezing during the winter.
Do not obstruct the ventilation grilles during operation.
The cross-section of any extension cables used must
be proportional to their length, i.e. the longer the exten-
sion cable, the greater the cross-section; cables with a
protection level of "IPX5" must be used.
Position the cleaner AS NEAR POSSIBLE to the water
supply.
The packaging is easily recyclable, and must be dis-
posed of in compliance with the regulations in force in
the country of installation.
Use the cleaner only with accessories and replacement
parts authorized by the manufacturer. The use of origi-
nal accessories and replacement parts will ensure safe,
trouble-free operation.
The cleaner must be used standing on a secure, stable
surface.
Avoid unintentional ¿ ring of the trigger. Do not carry the
lance/ trigger assembly with your hand over the trigger.
Always use the trigger lock mechanism.
Ensure that the safety lock on the trigger is used, when
you have stopped using the pressure washer to prevent
accidental operation.
SAFETY "MUST NOTS"
- EXPLOSION OR POISONING.
DO NOT use the cleaner with inÀ ammable or toxic liq-
uids, or any products which are not compatible with the
correct operation of the cleaner.
- INJURY HAZARD.
DO NOT direct the water jet towards people or ani-
mals.
- ELECTRIC SHOCK HAZARD.
DO NOT direct the water jet towards the unit itself, elec-
trical parts or towards other electrical equipment.
- SHORT CIRCUIT HAZARD.
DO NOT use the cleaner outdoors in case of rain.
- INJURY HAZARD.
DO NOT allow children or incompetent persons to use
the cleaner.
- ELECTRIC SHOCK HAZARD.
DO NOT touch the plug and/or socket with wet hands.
- ELECTRIC SHOCK AND SHORT CIRCUIT HAZARD.
DO NOT use the cleaner if the electrical cable is dam-
aged.
- EXPLOSION HAZARD.
DO NOT use the cleaner if the high pressure hose is
damaged.
- ACCIDENT HAZARD.
DO NOT jam the trigger in the operating position.
- ACCIDENT HAZARD.
Check that the data plates are af¿ xed to the cleaner, if not,
inform your dealer. Cleaners without plates must NOT be
used as they are unidenti¿ able and potentially dangerous.
- EXPLOSION HAZARD.
DO NOT tamper with or alter the calibration of the safety
valve.
- HAZARDOUS ALTERATION OF OPERATING PER-
FORMANCE.
DO NOT alter the original diameter of the spray head
nozzle.
- ACCIDENT HAZARD.
DO NOT leave the cleaner unattended.
- SHORT CIRCUIT HAZARD.
DO NOT move the cleaner by pulling on the electrical
cable.
SAFETY "MUSTS"
- SHORT CIRCUIT HAZARD.
All electrical conductors MUST BE PROTECTED
against the water jet.
- ELECTRIC SHOCK HAZARD.
The cleaner MUST ONLY BE CONNECTED to a cor-
rectly earthed power supply.
- Use a Residual Current Device (RCD) of not more
than 30 mA, at the plug socket when using this appli-
ance.
- INJURY HAZARD.
The high pressure may cause materials to bounce off
surfaces at speed; therefore protective clothing and
safety goggles MUST BE WORN.
- ACCIDENTAL START-UP HAZARD.
Before doing work on the cleaner, REMOVE the plug.
- INJURY HAZARD.
Before pressing the trigger, GRIP the gun ¿ rmly to coun-
teract the recoil.
- CONTAMINATION HAZARD.
COMPLY WITH the requirements of the local water sup-
ply company. According to DIN 1988, power-jet clean-
ers may only be connected to the mains drinking water
supply if a backÀ ow preventer valve with drain facility is
installed in the supply hose.
- ACCIDENT HAZARD.
Maintenance and/or repair of electrical components
MUST be carried out by quali¿ ed staff.
- INJURY HAZARD.
DISCHARGE residual pressure before
disconnecting the cleaner hose.
- ACCIDENT HAZARD.
Before using the cleaner, CHECK every time that the
screws are fully tightened and that there are no broken
or worn parts.
- EXPLOSION AND ELECTRIC SHOCK HAZARD.
Only USE detergents which will not corrode the coating
materials of the high pressure hose/electrical cable.
- INJURY HAZARD.
ENSURE that all people or animals keep a minimum
distance of 16 yd. (15m) away.

SAFETY VALVE

The safety valve also functions as a pressure limiting
valve. When the gun trigger is released, the safety valve
opens and the water recirculates through the pump
inlet.
3. ASSEMBLY
CONNECTING THE HOSE
AND TRIGGER ASSEMBLY
Assemble the washer as shown on ¿ gures 2.1-2.7.
Before connecting any hoses or trigger/ lance assembly
6