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Festool OS 400 EQ - Maintenance and Adjustment; Routine Maintenance; Troubleshooting

Festool OS 400 EQ
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Supplemental Owner’s Manual 13
Maintenance and Adjustment
WARNING! Any maintenance or repair work
that requires opening of the motor or gear hous-
ing should be carried out only by an authorized
Customer Service Center (see your dealer for
information on locating a service center).
WARNING! To reduce the risk of electrocution or
other personal injury, always unplug the tool from
the power supply outlet before performing any
maintenance or repair work on the tool.
NOTICE: Do not use compressed air to clean the
motor housing of the tool, as you could inject for-
eign objects into the motor through the ventilation
openings.
NOTICE: Certain cleaning agents and solvents are
harmful to plastic parts. Some of these include, but
are not limited to: Gasoline, Acetone, Methyl Ethyl
Ketone (MEK), Carbonyl Chloride, cleaning solutions
containing Chlorine, Ammonia, and household clean-
ers containing Ammonia.
Routine Maintenance
Aside from keeping the tool clean and in operating condi-
tion, the Vecturo does not require any specic routine
maintenance.
Periodically inspect the arbor bore to ensure there is no
dust or debris buildup.
Inspect the mandrel’s serrated shaft for damage or blunt-
ing of the serrations. These are what hold the mandrel
rmly in the tool.
Dust and debris from some materials can be extremely
abrasive and cause components within the tool to wear
prematurely. It is important to keep moving parts cleared of
abrasive dusts.
As a general rule, keep the tool clean of all dust and
debris. Even soft-wood dust can be abrasive over time.
Examine all moving parts for dust and debris.
Troubleshooting
Symptom Possible Causes
Motor does not start Check that the cord is properly plugged into an outlet.
Make sure the Plug-it connector is properly inserted and fully tightened.
Make sure the outlet has power. Check the circuit breaker or try another outlet.
If used with a Festool dust extractor, make sure the selector switch is pointing to “Auto”. The
auxiliary outlet on the dust extractor has power only when the selector is at Auto.
Inspect the power cord (including extension cords) for damage or missing prongs.
The motor brushes may have worn and need replacement.
Tool runs sporadically
or looses power
Make sure the Plug-it cord is properly tightened. Inspect the plug and tool power inlet for
signs of overheating. If signs of overheating are present, discontinue use and have the tool
serviced. If the Plug-it cord shows signs of overheating, do not use the cord for other tools,
as it can damage the inlet of the other tool.
Blades are loose
Verify that the blade was properly installed. Open the Fast-Fix lever, press in on the man-
drel, and then re-close the Fast-Fix lever.
Make sure the arbor bore is clean and does not contain impacted dust and debris.
Inspect the blade and mandrel to make sure the 12-point splines are not deformed.
The arbor clutch disks may be worn and need service. Contact the Festool service center for
repair.
Blades dull or missing
teeth
It is normal for oscillating blades to wear quickly due to their nature and the amount of heat
generated. Deep or binding cuts generate more heat. When using wide blades, take care not
to tilt the tool and cause binding in the cut.
If a tooth catches the workpiece just as the oscillation is reversing, the tooth can easily
break off. If it occurs frequently, try using a ner-toothed blade.
Japanese-style blades are especially prone to breaking teeth, because the teeth are long,
thin, have no side-set, and very aggressive in their cutting. To reduce the frequency of
breaking teeth, take less aggressive cuts and avoid conned plunging, such as with the
plunge base.

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