Possible Faults And Methods Of Their Elimination - DNIPRO M DHR-200 Safety And Operating Instructions Manual

13. POSSIBLE FAULTS AND METHODS OF THEIR ELIMINATION

Description of the
malfunction
Overheating of the
electric tool
Leakage of lubri-
cant through the
cartridge
Excessive vibration
during operation
Reduction of im-
pact power
Jamming of acces-
sories in the car-
tridge
Premature activa-
tion of the safety
clutch
EU-DHR0823001-0823002
Possible reason
Power tool overload
Poor cooling
Reducing the amount
of lubricant
Overheating of the
shock mechanism
Excessive amount of
grease for shanks
Excessive pressure on
the power tool
Bearing wear
Contamination of the
cartridge
Wear of the shock
mechanism
Use of low-quality ac-
cessories
Overheating of the
shank or cartridge
Skew of accessories
in the opening of the
treated surface
Excessive pressure on
the power tool
Wear of safety clutch
Elimination
Reduce the load on the power tool.
Increase the time period for the pow-
er tool to cool down
Clean the ventilation holes. Make
sure that the ventilation holes are not
closed during operation
Make sure that the cooling impel-
ler has no visual damage and rotates
when the engine rotates
Contact the manufacturer (DNIPRO M
LLC), the DNIPRO-M service centre or
the seller of the product.
Reduce pressure on the power tool.
Increase the time period for the pow-
er tool to cool down
Apply a smaller amount of grease to
the shank
Reduce pressure on the power tool
Contact the manufacturer (DNIPRO M
LLC), the DNIPRO-M service centre or
the seller of the product.
Clean the cartridge
Contact the manufacturer (DNIPRO M
LLC), the DNIPRO-M service centre or
the seller of the product.
Use quality accessories that match
the type of power tool chuck
Use lubricant for the shank. Keep the
shank and chuck clean. Reduce pres-
sure on the power tool. Increase the
time period for the power tool to cool
down
Control perpendicularity during work.
Do not change the angle of inclination
of the accessory, if the depth is more
than 10 mm in the processed surface
Reduce pressure on the power tool
Contact the manufacturer (DNIPRO M
LLC), the DNIPRO-M service centre or
the seller of the product.
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