MAINTENANCE INSPECTION
WARNING
To prevent accidents, ensure that the power tool
is switched o
ff
and pull out the battery.
1. Inspecting the cutter blades
Continued use of dull or damaged cutter blades will
result in reduced cutting e
ffi
ciency and may cause
overloading of the motor. Sharpen or replace the
cutter blades as often as necessary.
2. Handling
CAUTION
The front base, rear base, and cutting depth
control knob are precisely machined to obtain
speci
fi
cally high precision. If these parts
are roughly handled or subjected to heavy
mechanical impact, it may cause deteriorated
precision and meduced cutting performance.
These parts must be handled with particular
care.
3. 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 planer with loosened screws is
extremely dangerous.
4. Inspecting the carbon brushes (Fig. 40)
The motor employs carbon brushes which are
consumable parts. Replace the carbon brush with
a new one when it becomes worn to its wear limit.
Always keep carbon brushes clean and ensure that
they slide freely within the brush holders.
Wear limit
No. of carbon brush
0.16" (4 mm)
0.43" (11 mm)
Fig. 40
CAUTION
Using this planer with a carbon brush which is
worn in excess of the wear limit will damage the
motor.
NOTE
When replacing the carbon brush with a new one, be
sure to use the metabo HPT Carbon Brush Code No.
999017.
5. Replacing carbon brushes
After removing the chip cover, take out the carbon
brush by
fi
rst removing the brush cap and then
hooking the protrusion of the carbon brush with a
slotted head screw driver, etc., as shown in Fig. 41.
Brush cap
Fig. 41
When installing the carbon brush, choose the
direction so that the nail of the carbon brush (Fig. 42)
agrees with the contact portion of brush tube. Then
push it in with a
fi
nger as illustrated in Fig. 43. Lastly,
install the brush cap.
Protrusion of carbon brush
Nail of carbon brush
Fig. 42
Contact portion of brush
tube
Fig. 43
19
English
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