Environment; Trouble Shooting - MaxPro PROFESSIONAL MPMD1050V Bedienungsanleitung

ENVIRONMENT

Do not dispose of electric tools, accessories and packaging together with household waste material
- in observance of European Directive 2002/96/EC on waste of electric and electronic equipment and its
implementation in accordance with national law, electric tools that have reached the end of their life must
be collected separately and returned to an environmentally compatible recycling facility.

TROUBLE SHOOTING

Fault Symptom Possible Cause
Out of service at switch-on Shortcircuit in electric machine
winding
Disconnection between plug and
power socket
No voltage in power socket
Wearout of carbon brush
Loose switching contact
Loose contact between carbon
brush and cummutator
Excessive sparkling during running Underpressure in carbon brush
spring
Excessive wearout of carbon brush Replace carbon brush subassembly
Overvoltage in supply power
Disconnection between carbon
brush and commutator
Ring fire caused by shortcircuit in
rotor winding
Ring fire caused by shortcircuit in
commutator segment
Running speed drop Supply voltage decline
Damage in mechanical part
Low-speed at starting
Partial shortcircuit in rotor
Excessive noise Damage in winding or breakdown
in motor
Excessive axial thrust or overload
percussion drilling
Drilling bit stuck during drilling
metal part
Stuck at transmission gear
Insufficient or unclean lubricating
oil in gear box
Bearing wearout or stator/rotor
deviating friction during running
Electric motor failed to reach full Electrocircuit overload due to
power lighting device, public utility or
other electric appliances
6
Troubleshooting
Replace stator and rotor by repairer
Insert plug in power socket
Check and repair power supply
Replace carbon brush
Check and replace switch by repairer
Check connection between carbon
brush and commutator by repairer
Replace carbon brush subassembly
by reparier
by reparier
Regulate supply voltage
Replace carbon brush
Check or replace rotor by repairer
Check or replace rotor by repairer
Check power supply
Replace mechanical part by repairer
Regulate speed governor at high-
speed
Check or replace rotor by repairer
Check electric motor by repairer
Decrease thrust force
Stop drilling
Check mechanical part
Replenish or replace lubricating oil
Regulate bearing
No use of public utility or other
electric appliances on machine-
connected electrocircuit
GB
Overheating in percussion drill Overload in electric motor or
insufficient cooling in electric
motor
I n s u f f i c i e n t / e x c e s s i v e - t h i c k
lubricating oil or greasy bearing
B e a r i n g i n e x c e s s i v e t i g h t
positioning
Rotor shaft gear tooth bending
Drilling bit wearout
Overheating in reduction gearbox:
insufficient/greasy lubricating oil
or excessive tight gear engagement
or stuck by foreign body
Spare parts list and drawing Please download files on www.maxpro-tools.com
P r e v e n t e l e c t r i c m o t o r f r o m
overload running or dedust electric
motor to ensure best cooling effect
Replenish/replace lubricating oil or
clean up bearing
Regulate bearing fastening clearance
or replace bearing
Calibrate or replace rotor shaft or
gear shaft
Replace drilling bit
Replenish/replace lubricating oil or
clean up gear
GB 7