Maintenance And Inspection - Metabo HPT G18ST Instructions De Sécurité Et Mode D'emploi

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(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.
(6) Wheel size must match guard size; i.e., a new 7"
wheel may not be used with a 9" guard.
CAUTION
Tighten the wheel nut securely and confi rm that
the depressed center wheel does not wobble.
2.
Disassembly
To remove the depressed center wheel, simply
reverse the above-mentioned procedure.

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" (60mm) in external
diameter. Confi 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.
Confi rm that there is no damage in the wheel guard,
the electrical cord and the housing, etc.
Check that the on/off switch operates normally.
4.
Inspecting the carbon brushes (Fig. 6)
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.
Wrench
Wheel nut
Depressed
center
wheel
Wheel washer
Wheel guard
Spindle
Wear limit
59
0.89" (22.5mm)
Carbon Brush
English
Tighten
Push button
Fig. 5
No. of carbon brush
0.26" (6.5mm)
Fig. 6
Brush Holder
Spring
Fig. 7
13

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G23st

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