23
Keep the product clean. Remove debris from it
after each use and before storage.
Regular and proper cleaning will help ensure safe
use and prolong the life of the product.
Inspect the product before each use for worn and
damaged parts. Do not operate it if you find
broken and worn parts.
WARNING!
Always switch the product off,
let the product cool down and disconnect
the spark plug connector before performing
inspection, maintenance and cleaning work!
WARNING!
Only perform repairs and
maintenance work according to these
instructions! All further works must be
performed by a qualified specialist!
WARNING!
Wear safety gloves when
working on the attachment heads and close
to it! Use appropriate tools to remove debris,
e.g. a brush or wooden stick! Never use your
bare hands!
1. Follow all aforementioned maintenance
instructions. Clean the product as described above.
2. Store the product and its accessories in a dry,
frost-free, well-ventilated place.
3. Always store the product in a place that is
inaccessible to children. The ideal storage
temperature is between 10 and 30°C.
4. We recommend using the original package for
storage or covering the product with a proper
cloth or enclosure to protect it against dust.
GENERAL CLEANING
NOTE
: Do not use chemical, alkaline, abrasive or
other aggressive detergents or disinfectants to
clean this product as they might be harmful to its
surfaces.
1. Clean the product with a slightly damp cloth and
mild soap. Use a brush for areas that are hard to
reach.
2. In particular clean the air vents after every use
with a cloth and brush.
3. Remove stubborn dirt with high pressure air (max.
3 bar).
4. Check for worn or damaged parts. Replace
worn parts as necessary or contact an authorised
service centre for repair before using the product
again.
GUIDE BAR AND SAW CHAIN MAINTENANCE
1. GUIDE BAR
Most guide bar problems can be prevented merely
by keeping the product well maintained.
Incorrect filling and non-standard cutter and depth
gauge settings are the causes of most
guide bar problems, primarily resulting in uneven
bar wear. As the bar wears unevenly, the
rails widen, which may cause the chain to clatter
and make it difficult to complete straight cuts.
If the guide bar is insufficiently lubricated and the
product is operated with a saw chain which
is too tight, this will contribute to rapid bar wear. To
help minimise bar wear, maintenance of
the guide bar as well as the saw chain is
recommended.
1). Disassemble the guide bar and saw chain in
reversed order from assembly.
2). Check the oiling port (B14) for clogging and
clean if necessary to ensure proper lubrication
of the guide bar and saw chain during operation.
Use a soft wire small enough to insert into the
oil discharge hole. (See Fig. 18a)
NOTE:
The condition of the oil passages can be
easily checked. If the passages are clear, the
chain will automatically give off a spray of oil within
seconds of the product starting. Your product is
equipped with an automatic oiling system.
3). Check the drive sprocket (B10). If it is worn or
damaged due to strain, have it replaced by
an authorised service agent.
4). Clear residue from the rails on the guide bar (B7)
using a screwdriver, putty knife, wire brush or other
similar tool. This will keep the oil passages open to
provide proper lubrication to the guide bar (B7) and
saw chain (B6). (See Fig. 18b)
5). Check the guide bar 'rail' for wear: Hold a ruler
(straight edge) against the side of the guide
bar and 'cutter side plates'. If there is a gap
G
B
Summary of Contents for SPS-750
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