Diamond Products CSE12 Manuale dell'operatore - Pagina 12
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Maintenance
General Maintenance
•
This machine operates in a harsh
environment with water and slurry. At the
end of each work day, thoroughly clean the
machine with water, then oil the bar and
chain with a water displacing spray such as
WD-40 to prevent rust. Ensure that the
water feed ports are clear. Chain tension
should be checked frequently and
readjusted immediately when necessary.
Inspect all parts of the saw for proper
function before each use. Pay special
attention to the condition of the chain,
inspecting each diamond segment for wear
or damage.
Sharpening a New or Glazed Chain
•
If the chain is new, or if the chain's
diamond segments become glazed,
sharpen by making a few cuts into an
appropriate alumina oxide or silicon carbide
dressing stone. Simply make shallow
plunge cuts into the stone
as necessary to restore its cutting
performance. If a dressing stone is not
available, cutting into a highly abrasive
work material, such as cinder block will
also work.
Choosing a Chain
This chain saw uses a 25-link diamond
chain and a 13" guide bar. Chains with
different types of diamond segments are
available for different applications.
•
Choose a chain with soft bond
segments for hard materials, such as
reinforced concrete. Trying to use a
chain with hard bond segments to cut
hard materials will lead to
unsatisfactorily slow cutting and the
chain will need to be sharpened many
times.
•
Choose a chain with a hard bond
segments for softer, more abrasive
materials. Using a chain with soft
bond segments to cut soft materials
will lead to unnecessarily shorter
segment life. By choosing the correct
chain for the application, cutting will
12
EQUIPMENT DESIGNATION OPERATOR'S MANUAL
as many times
be more effective and economical.
Installing Guide Bar and Chain
1.
With the 2 side cover nuts removed and
the side cover removed, slacken the tension
adjustor by turning anticlockwise.
2.
Slip the guide bar into position over the
studs with the hole engaged with the adjustor
pin. (the bar is symmetrical and may be
installed with either side up)
3.
Place the chain around the drive
sprocket first, ensuring that the drive links
engage the sprocket teeth.
4.
Starting from the drive sprocket end,
loop the chain around the guide bar nose
sprocket, ensuring that the drive links engage
with the guide bar groove and remain engaged
with the sprockets.
5.
Place the side cover in position and
thread on the 2 side cover nuts, leaving them
finger tight only (to allow the tension adjustor to
be adjusted). They will be tightened fully after
tensioning according to the instructions below.
Tensioning the Chain
Note: Proper chain tension with a concrete
chain saw is much looser than with a wood
chain saw. It must be loose enough to run
freely with only water as its lubrication.
•
An over tensioned chain will give
unnecessary load to the motor and will lead
to premature chain stretch, sprocket
damage, and spindle bearing damage.
•
An overly slack chain could fly off the guide
bar and could also jump teeth on the drive
sprocket, leading to premature wear of the
sprocket and the chain's drive links.
•
In use, the chain must be readjusted if it
hangs below the guide bar 10mm or more
•
To tension the chain, first loosen the 2 side
cover nuts and leave them finger tight.
CAUTION: attempting to turn the adjustor