10
Grinder runs for 5-
15 seconds, then
stops
The current allow screw is not
adjusted 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
extension 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 when
up on jockey wheel.
Excessively worn motor
bearings
Have motor serviced.
The diamonds are
wearing out too fast
The concrete is:
Soft
Abrasive Concrete
Rain Damaged
A rough finish(Scarified)
Use a powerful dust extractor
to remove as much dust as
possible
Use harder diamond matrix
to expose diamond easily
Use diamond cup wheels
with more segments or area
of l segment to reduce wear.
Содержание SPE DG250-II
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