Operation; Maintenance; Trouble-Shooting - benza BZ 170 Use And Maintenance Manual

CAUTION The washer must only be used with clean water; use of unfiltered water of corro-
sive chemicals will damage the washer.
Push the motor switch to "OFF" position FIG. 10.
Check that the electrical supply voltage and frequency (Volt/Hz) correspond to those spec-
ified on the washer rating plate. If the power supply if correct, you may now plug in the
washer.

7. OPERATION

Turn on the water supply tap fully.
Release the safety lock FIG.8 and FIG. 9, then press the trigger for a few seconds to allow air to escape and to
discharge residual pressure in the hose.
Keeping the trigger pressed, push the switch to start the motor FIG.10.
When re-starting the motor, always keep the trigger pressed.
NOTE: THE MOTOR ONLY RUNS WHEN THE TRIGGER IS OPERATED.
CORRECT USE OF STANDARD ACCESSORIES
• The washer is equipped with the adjustable nozzle.
• Jet adjustment from pencil to fan FIG. 11.
WARNING: DO NOT ADJUST THE NOZZLE WHILE THE TRIGGER IS SQUEEZED.
RECOMMENDED CLEANING PROCEDURE
• Dissolve dirt by applying detergent with the fan jet to the dry surface. On vertical surfaces, work from the bottom
upwards. Leave the detergent to act for 1 to 2 minutes, but do not allow to dry out. Apply the high from the surface,
working from the bottom upwards.
• Avoid allowing the rinsing water to run on to unwanted surfaces.
STORAGE (FIG.12 – FIG. 14)
• Switch off the washer.
• Turn off the water supply tap.
• After use, the detergent residuals should be removed from the tank.
• Discharge residual pressure by pressing the trigger until no more water comes out of the lance nozzle.
• Engage the gun safety lock.
• Remove the plug from the socket.
• Operate the washer with non-corrosive/ non-toxic antifreeze before storing for the winter.
WARNING: BEFORE REUSING, COMPLETELY FLUSH THE UNIT OUT WITH PLAIN WATER.
ANTI-FREEZE CAN DAMAGE PAINTWORK SO YOU MUST ENSURE THERE IS NO ANTI-
FREEZE LEFT IN THE SYSTEM BEFORE USING IT AGAIN.

8. MAINTENANCE

CAUTION
Before working on the washer, disconnect the lug from the power supply socket.
• To ensure good performance, check and clean the suction and detergent filters after every 50 hours of operation FIG.
12.
• Clean the nozzle with the tool provided. Remove the lance from the gun; remove any dirt from the nozzle hole (FIG. 13)
and rinse.

9. TROUBLE-SHOOTING

Disconnect from the electrical power supply before carrying out user maintenance or checking its correct functioning.
To avoid unnecessary disappointments, you should check the following before contacting the service organization:
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