6
7
GB
GB
carried out by an authorised customer services agent for Maxpro power tools.
ENVIRONMENT
Do not dispose of electric tools, accessories and packaging together with household waste material
- in observance of European Dir
ecti
ve 2002/96/EC on waste of electric and electronic equipment and its
implementa
tion in ac
cordance with na
tional l
aw, electric tools that have reached the end of their life must
be collected separately and returned to an environmentally compa
tible
recycling facility.
TROUBLE SHOOTING
Fault Symptom
Possible Cause
Tr
oubleshooting
Out of service
Disc
onnection b
etween plug and
power socket
Put plug in power socket
shortcircuit in power supply
Repair and rec
onnection
At switch-o
ff
Switch on
Loose switching contact
Replace switchboard by repairer
Burnout of stator or rotor coil
Replace stator or rotor by repairer
Wearout of carbon brush
Replace carbon brush by repairer
Stator wiring disc
onnection
Rec
onnection
by repairer
Disc
onnection b
etween carbon
brush and commutator
Replace carbon brush
Sluggish start-up, falling short of
running speed
Unsmooth running in mechanical
part
Check mechanical part by repairer
Low supply voltage
Regulate supply voltage
Burnout of switch contact
Replace switchboard by repairer
Excessive sparkling during running Underpressure in carbon brush
spring
Replace carbon brush by reparier
Excessive wearout of carbon brush Replace carbon brush by reparier
Overvoltage in supply power
Regulate supply voltage
Disc
onnection b
etween carbon
brush and commutator
Replace carbon brush
Ring fi
re caused by shortcircuit in
rotor winding shortcircuit
Check or replace rotor by repairer
Ring fi
re caused by shortcircuit in
commutator segment
Check or replace rotor by repairer
Failed to reach rated power
Electrocircuit overload due to
ligh
ting d
e
vice, public utility or
other electric appliances
No use of public utility or other
electric appliances on machine-
connected electrocircuit
Machine superhea
ting
Electromotor overload
Overload prot
ection
Excessive blunt drilling bit
Replace drilling bit
Insu
fficie
nt lubrica
ting oil or g
reasy
lubrica
ting oil in
r
eduction
gearbox
Replenish or replace lubrica
ting oil
by repairer
Insu
fficie
nt motor cooling
Dedust air outlet
Gear shifting
failure
Shifting
fork or bearing damaged
Check and r
eplace shifting
fork or
bearing by repairer
Failure of mechanical shock
motion
Air cylinder or tele
fl
ex damaged
Check and replace air cylinder or
tele
fl
ex by repairer
Wearout of O-shape coil
Replace O-shape coil by repairer
Piston fracture or insu
fficie
nt
lubrica
ting oil
Replace piston or replenish
lubrica
ting oil
by repairer
Chock liner gets stuck
Repair chock liner by repairer
Disconnected running of spline
sha
ft or
swinging bearing by
repairer
Replace spine sha
ft or
swinging
bearing by repairer
Piston c
onnecting
rod fracture
Replace piston c
onnecting
rod by
repairer
No motion of drilling bit
during motor running
Rotor tooth fracture
Replace rotor by repairer
Gear wheel fracture
Replace gear wheel by repairer
Clutch gear slippage
Replace clutch gear by repairer
