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9. Thoroughly clean all oil, grease
and cleaner residue from any part
that must be heated.
10. Use a nylon brush when cleaning
parts. Metal brushes may cause
a spark.
11. When using a parts washer, only
use the solvent recommended by
the manufacturer. Make sure the
parts washer is equipped with a
metal lid that can lower in case of
fire.
Warning Labels
Most manufacturers attach information
and warning labels to the UV. These
labels contain instructions that are
important to safety when operating,
servicing, transporting and storing the
UV. Refer to the owner's manual for
the description and location of labels.
Order replacement labels from the
manufacturer if they are missing or
damaged.
Serial Numbers
Serial and identification numbers are
stamped on various locations on the
frame, engine, and carburetor body.
Record these numbers in the quick
reference data section in the front of the
manual. Have these numbers available
when ordering parts.
General Information
1‐6
Fasteners
Proper fastener selection and
installation is important to ensure the UV
operates as designed and can be
serviced efficiently. The choice of
original equipment fasteners is not
arrived at by chance. Make sure
replacement fasteners meet all the
same requirements as the originals.
Many screws, bolts and studs are
combined with nuts to secure particular
components. Marking will indicate the
strength or hardness. Manufacturers
specify the internal diameter and thread
pitch. The measurement across two flats
on a nut or bolt indicates the wrench
size.
Warning
Do not install fasteners with a
strength classification lower than
what was originally installed by the
manufacturer. Doing so may cause
equipment failure and or damage.
Torque Specifications
The material used in the manufacturing
of the UV may be subjected to uneven
stresses if the fasteners of the various
subassemblies are not installed and
tightened correctly. Fasteners that are
improperly installed or work loose can
cause extensive damage. It is essential
to use an accurate torque wrench as
described in this chapter.
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