MK Diamond Sawtec SDG-103 - Manual (Page 18)

18
SDG TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE ACTION
Machine will not start/run.
No power is available at cable end. Check and confirm the power
cable is available.
Machine is trying to start on glue
or other sticky substance.
Clear a patch with scraper
and grind into the glue a little,
preventing glue build-up on
diamonds.
Extension cord is too small in
capacity or too long.
Upgrade the extension cord.
(See specifics on page 10)
Machine is not grinding at all.
No blade/accessories in unit. Fit blade and check wear on
machine.
Very hard concrete or glazed top-
ping on concrete.
Turn dust extractor down, the
extra dust acts as an abrasive
between the segments, making
diamonds work better.
Place river sand or equivalent
on the floor as an abrasive as
described above.
Use softer grade of diamond
tool, which will expose the dia-
monds better.
Use coarser diamond tool,
which will get through the hard
topping without wearing out the
diamond too fast.
Grinder runs for 5-15
seconds, then stops.
The current allow screw is not ad-
justed properly.
Adjust the current screw to the
right position.
Extension cable too long and /
or not made from heavy enough
cable.
Get electrician to check exten-
sion lead compatibility.
Grinder runs but does not
perform adequately.
Motor defective Repair or replace
Grinder vibrates during use. Grinding plates not correctly
balanced.
Replace or re-balance grinding
plates.
Grinding noise coming from
grinding head.
Excessively worn motor bearings. Have motor serviced.
TROUBLESHOOTING