HUMMEL
®
01.12.2012
English / Englisch
CAUSES OF FAULTS
9
SANDING PROBLEMS
Waves, strips, grooves
•
The floor was not vacuumed before sanding. The floor must
always be vacuumed thoroughly before the first and after
each additional sanding operation.
•
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
and
Section 4.4,
Switching off the machine
).
•
The sanding medium does not have the proper tension. The
tension must be corrected (
Section 5.2, Changing the
sanding belt
).
•
The sanding medium is damaged or incorrect and must be
replaced (
Section 5.2, Changing the sanding belt
).
•
The sanding pressure do not suit to the grit grade of the sand-
ing belt and must be corrected (
Section 5.3, Regulating
the sanding drum pressure
).
•
The machine setting is not correct and must be adjusted. The
sanding drum must sands centrally (
Section 7.4, Checking
the machine setting
).
•
The sanding drum is dirty or damaged and must be replaced
(
Section 7.6, Replacement of sanding drum
).
•
The tensioning roller of the drive unit is dirty or damaged 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
and
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 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.
51
Summary of Contents for HUMMEL
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Page 66: ...HUMMEL 01 12 2012 English Englisch SPARE PARTS 66 11...
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