HUMMEL
®
01.01.2019
English / Englisch
9.6 SANDING PROBLEMS (WAVES, STRIPS,
GROOVES)
•
The floor was not vacuumed before sanding. The floor must
be vacuumed thoroughly always directly before each sanding
step.
•
The sanding drum was not lifted from the floor while the
machine was switched on or off. Always lift the sanding
drum off the floor before switching on or off the machine.
Section 4.3, Switching on the machine
Section 4.4, Switching off the machine
•
The sanding medium does not have the proper tension. The
tension must be corrected.
Section 5.3, Changing the sanding belt
•
The sanding medium is damaged or incorrect and must be
replaced.
Section 5.3, Changing the sanding belt
•
The sanding pressure do not suit to the grit grade of the
sanding belt and must be corrected.
Section 5.2, Regulating the sanding drum pressure
•
The machine setting is incorrect and must be adjusted. The
sanding drum must sands centrally.
Section 7.4, Checking the machine setting
•
The sanding drum is dirty, damaged or worn-out and must
be replaced.
Section 7.6, Replacement of sanding drum
•
The tensioning roller of the drive unit is dirty, damaged or
worn-out and must be replaced.
Section 7.7, Replacement of tensioning roller
•
The wheels are dirty or damaged and must be cleaned or
replaced.
Section 7.8, Replacement of rear wheel
Section 7.9, Replacement of lateral wheels
•
A V-belt is dirty, damaged or worn-out and must be replaced.
Section 7.10, Replacement and tensioning of V-belts
•
A pulley is dirty, damaged or worn-out and must be cleaned
or replaced.
•
The lowering rod linkage is running poorly, catching on
something or getting stuck. Free movement is necessary.
•
The machine is being moved too slowly and must be sped
up.
CAUSES OF FAULTS
9
63