MAINTENANCE AND INSPECTION
WARNING
●
Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and
inspection.
●
Using cracked, deformed or damaged wheels can lead to wheel breakage and resulting serious
injury.
1. Replacing the depressed center wheel
Replace the depressed center wheel when it has
been worn out to about 2-3/8" (60 mm) in external
diameter. Con
fi
rm that there is no crack or any damage
to the depressed center wheel. If there is a crack or a
transformation in the wheel, replace it immediately.
2. Inspecting the screws
Regularly inspect all screws and ensure that they
are fully tightened. Should any of the screws be
loosened, retighten them immediately.
WARNING
Using this grinder with loosened screws is extremely
dangerous.
3. Con
fi
rm that there is no damage in the wheel guard,
the electrical cord and the housing, etc.
Check that the on/o
ff
switch operates normally.
4. Inspecting the carbon brushes
For your continued safety and electrical shock
protection, carbon brush inspection and replacement
on this tool should ONLY be performed by a
metabo HPT AUTHORIZED SERVICE CENTER.
5. Replacing supply cord
If the supply cord of Tool is damaged, the Tool must
be returned to metabo HPT Authorized Service
Center for the cord to be replaced.
DEPRESSED CENTER WHEEL ASSEMBLY
AND DISASSEMBLY
WARNING
Never attempt to assemble or disassemble the
depressed center wheel, unless the power
switch is in the “OFF” position and the electrical
cord has been disconnected from the receptacle.
1. Assembly
(1) Turn the disc grinder upsidedown so that the spindle
is facing upward.
(2) Align the oval-shaped indentation of the wheel
washer with the notched part of the spindle, then
attach them.
(3) Fit the protuberance of the depressed center wheel
onto the wheel washer.
(4) Screw the wheel nut onto the spindle.
(5) While pushing the push button with one hand, lock
the spindle by turning the depressed center wheel
slowly with the other hand.
Tighten the wheel nut by using the supplied wrench
as shown in Fig. 5.
Fig. 5
Wheel nut
Tighten
Wheel guard
Push button
Wrench
Wheel washer
Spindle
Depressed
center wheel
CAUTION
Tighten the wheel nut securely and con
fi
rm that
the depressed center wheel does not wobble.
2. Disassembly
To remove the depressed center wheel, simply
reverse the above-mentioned procedure.
11
English
00Book̲G12SE3.indb 11
00Book̲G12SE3.indb 11
2020/02/11 10:49:37
2020/02/11 10:49:37
