Maintenance; Faults And Trouble Shooting; Service - Husqvarna PG 400SF Operator's Manual

Faults and trouble shooting

The machine will not run
Check the power supply and the power cables and make sure
that they are not damaged.
Check that the emergency stop button is not pressed by
turning it clockwise.
Machine is hard to hold onto
Not enough diamonds under the machine (if grinding thick
glue or soft fl oors, too few diamonds under the machine will
greatly increase the load on grinder and operator). Usually
also accompanied by high current draw by motor.
Increase number of diamonds under machine to reduce load
on grinder and operator.
Machine is jumping around
Grinding head may be worn-out or damaged. Check grinding
head for damage and wear.
Diamonds may not be fitted correctly or have different heights.
Check to ensure all diamonds are fi tted correctly and are the
same height.
The machine stops after just a while
The machine is overloaded and the overload protection has
been released. Reduce load. The machine will reboot after
about a minute when the motor has cooled off.
The machine stops at start
The electric motor has been overload or a phase is down.
This is why the motor cut-out, which is there to protect the
electric motor, has tripped. Only an authorized electrician
may repair any possible damage.
14 –
English

MAINTENANCE

Maintenance
IMPORTANT! Inspection and/or maintenance should be
carried out with the motor switched off and the plug
disconnected.
Used correctly, the machine is an extremely low-maintenance
and reliable.
Cleaning
Always pull out the plug from the outlet socket before
cleaning, maintenance or assembly.
Always clean all the equipment at the end of the working day.
Do not use a high pressure washer to clean the machine.
In order for the machine to always be cooled sufficiently the
cooling air openings must be kept clear and clean.
Electrical Feed
!
Check that the cord and extension cord are intact and in good
condition.
Never use the machine if the cord is damaged, hand it in to an
authorized service workshop for repair.
Skirt
Make sure that the rubber skirt is intact and clean and that it
seals tightly against the floor. Damaged rubber skirt should
always be replaced.

Service

IMPORTANT! All types of repairs may only be carried out by
authorised repairmen. This is so that the operators are not
exposed to great risks.
WARNING! Never use damaged cables. They
can cause serious, even fatal, personal
injuries.