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the power tool. Conductive build-up can impair the
protective insulation of the power tool and cause
electrical hazards.
The power tool should be cleaned regularly, often
and thoroughly through all front and rear air vents
using a vacuum cleaner or by blowing in dry air.
Prior to this operation, separate the power tool from
the power source and wear protective glasses and
dust mask.
8. Troubleshooting
8.1
Mains powered machines:
- Overload protection: There is a MAJOR
reduction in load speed. The motor temperature
is too high! Allow the machine to run at idle speed
until it has cooled down.
- Overload protection: There is a SLIGHT
reduction in load speed. The machine is
overloaded. Reduce the load before continuing to
work.
- Metabo S-automatic safety shutdown: The
machine was SWITCHED OFF automatically. If
the slew rate of the current is too high (for
example, if the machine suddenly seizes or
kickback occurs), the machine switches off.
Switch off the machine using the slide switch (6).
Switch it on again and continue to work as normal.
Try to prevent the machine from seizing. See
Section 3.2.
- Restart protection: The machine does not
start. The restart protection is active. If the mains
plug is inserted with the machine switched on, or if
the power supply is restored following an
interruption, the machine does not start up. Switch
the machine off and on again.
8.2
Cordless machines:
- The electronic signal display (12) lights up
and the load speed decreases. The
temperature is too high! Run the machine in idling
until the electronics signal indicator switches off.
- The electronic signal display (12) flashes and
the machine does not start. The restart
protection is active. The machine will not start if
the battery pack is inserted while the machine is
on. Switch the machine off and on again.
9. Accessories
Use only genuine Metabo accessories.
Use only accessories which fulfil the requirements
and specifications listed in these operating
instructions.
Fit accessories securely. Secure the machine if it is
operated in a bracket. Loss of control may cause
personal injury.
A Collect chucks (including nut)
Ø 3 mm = 6.31947
Ø 1/8"
= 6.31948
Ø 6 mm = 6.31945
Ø 1/4"
= 6.31949
Ø 8 mm = 6.31946
10
B Clamping frame 6.27354 for clamping during
work with flexible shafts (tighten clamping
screw), including:
C Clamping bracket 6.27107 for safe securing to
the work bench (tighten clamping screw).
D Flexible shafts
E For FME 737:
Routing tool (6.31501)
For enhancement as a router
F Battery chargers: ASC Ultra, ASC 15, ASC 30
and others.
G Battery packs: 5.2 Ah (6.25592); 4.0 Ah
(6.25591); 3.0 Ah (6.25594)
For a complete range of accessories, see
www.metabo.com or the catalogue.
10. Repairs
Repairs to electrical tools must be carried out
by qualified electricians ONLY!
Contact your local Metabo representative if you
have Metabo power tools requiring repairs. For
addresses see www.metabo.com.
You can download a list of spare parts from
www.metabo.com.
11. Environmental Protection
The generated grinding dust may contain harmful
substances. Dispose appropriately.
Observe national regulations on environmentally
compatible disposal and on the recycling of disused
machines, packaging and accessories.
Special notes regarding cordless machines:
Battery packs may not be disposed of with regular
waste. Return faulty or used battery packs to your
Metabo dealer!
Do not allow battery packs to come into contact with
water!
Before disposal, discharge the battery pack in the
power tool. Prevent the contacts from short-
circuiting (e. g. by protecting them with adhesive
tape).
12. Technical Specifications
Explanatory notes on the specifications on page 3.
Changes due to technological progress reserved.
U
= voltage of battery pack
S
= spindle lock for easy tool changes
n
= no-load speed (maximum speed)
n
= no-load speed (adjustable)
V
n
= on-load speed
1
P
= rated input power
1
P
= power output
2
I
=Current at 120 V
120 V
D
= max. wheel diameter
max
T
= max. thickness of bonded grinding discs
max
d
= collet bore of the collet chuck
m
= weight with smallest battery pack/weight
without cord
L
= maximum insertion depth
max