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Safety Instructions - Makita HW120 Instruction Manual

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5.

Safety instructions

Make sure that the machine is constantly supplied with water.
Dry working would cause serious damages to the machine seal
system.
Electrical connections must be carried out by skilled/trained
y
personnel only.
Never pull the power cord to disconnect the plug nor pull the
y
hose to move the machine.
Don't leave the machine in low temperature and protect it from
y
frost and general bad weather conditions.
Avoid vehicles transit on the high pressure hose.
y
While the machine is running do not cover it and avoid placing it
y
where there's low air supply.
If you are working indoors, it's compulsory to install a fan to
y
discharge the exhaust gases outside.
The fan terminal must not be obstructed. Don't leave the lance or
y
any other object near the exhaust outlet.
The nature of the gases as well as the high temperature are
y
to be considered very dangerous, the operator must thus be
adequately informed in order to avoid being scalded.
Don't leave the machine outside when it rains or when the
y
weather conditions are bad.
The operators must wear protection clothes while using the
y
machine.
Don't use the machine under the rain or in case of storms.
y
Do not leave the machine for more than 5 minutes working with
y
the gun closed, the water temperature would increase rapidly
causing serious damages to the seal system.
Each time the machine has to be switched off blow off the hose
y
residual pressure by using the gun.
EN
5.
Safety instructions
Do not use fuels different from the ones suggested by the
y
manufacturer.
WARNING!
y Don't carry out any operation on the machine before unplugging it.
Don't carry out any unwary operation on the electric cable and
y
make sure the same is not damaged.
Never direct the high pressure water jet towards people, animals,
y
electrical installations or the machine itself.
Use always only clean water. Dirty water and chemical corrosive
y
products are harmful for the machine.
The temperature of the outlet connection to the high pressure
y
hose can reach up to 80°C.
When using an extension make sure the plugs have an IP65 type
y
protection and that the cable is according to the table mentioned
here under:
EXTENSION LENGHT
CABLE SECTION mm
Up to 20 m
2.5
From 20 m to 50 m
4
2
5

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