• Overtightening the wheel can cause breakage. Failure
to tighten sufficiently will cause flutter. Tighten the outer
flange properly.
• Always use the grinding wheel with the blotter that has
larger diameter than the lock nut or the outer flange
and the inner flange.
For tool with support cover only (country
specific) (Fig. 3)
Before installing or removing the grinding wheel, open the
support cover. Loosen the wing bolts on both sides of the
support cover and then open it.
After securing the wheel grinding, close the support cover
and then secure the wing bolts properly.
For all tools
Type A (Fig. 4)
Securing method for type A (Fig. 5)
Insert screwdriver into the hole in the inner flange. Grip
the lock nut with the lock nut wrench, turning in the
direction of wheel rotation to loosen the lock nut. Remove
the lock nut. Then install the wheel and tighten the lock
nut in the direction of arrow as shown in the figure.
Type B (Fig. 6)
Type C (Fig. 7)
Securing method for type B and C (Fig. 8)
Insert screwdriver into the hole in the inner flange. Grip
the hex nut with the wrench, turning in the direction of
wheel rotation to loosen the hex nut. Remove the hex nut
and outer flange. Then install the wheel, outer flange and
hex nut.
Tighten the hex nut in the direction of arrow as shown in
the figure.
OPERATION
CAUTION:
• Apply light pressure on the tool. Excessive pressure on
the tool will only cause a poor finish and overloading of
the motor.
• The grinding wheel continues to rotate after the tool is
switched off.
• Hold the tool firmly with one hand on the switch handle
and the other hand on the front grip when performing
the tool. (Fig. 9)
Hanger (optional accessory) (Fig. 10)
Continuous operation of the grinder is made easy by
using the handy hanger as shown in the figure. Simply
loop the cord over the head or shoulder, after threading it
through the eyelet on the top of the tool housing.
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or
maintenance.
• Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may result.
(Fig. 11)
8
The tool and its air vents have to be kept clean. Regularly
clean the tool's air vents or whenever the vents start to
become obstructed.
Installing or removing dust cover
(optional accessory)
CAUTION:
• Always be sure that the tool is switched off and
unplugged before installing or removing the dust cover
attachments.
• Failure to do so causes damage to the tool or a
personal injury.
• Clean the dust cover attachments when the flow of the
air through the dust cover attachments becomes
obstructed with built up dust or foreign matters.
Continued operation in such a condition may damage
the tool.
• When removing the dust cover attachments, forcing it
up without unhooking hook A or B may break hooking
part. (Fig. 12)
Dust cover attachment R/L are respectively installed on
the handles R/L with the sides shown above facing toward
the tool. (Fig. 13)
To install the attachments, insert hook A and rib A into
vent A lightly.
Insert hook B into vent B. (Fig. 14)
To remove, lift it up by using a slotted bit screwdriver near
the hook B.
Also lift it up near the hook A.
NOTE:
Dust cover attachments installed on GS5000 and GS6000
do not cover the vents above and below the brush holder
which is designed dust-proof.
Replacing carbon brushes (Fig. 15)
When the resin insulating tip inside the carbon brush is
exposed to contact the commutator, it will automatically
shut off the motor. When this occurs, both carbon brushes
should be replaced. Keep the carbon brushes clean and
free to slip in the holders. Both carbon brushes should be
replaced at the same time. Use only identical carbon
brushes. (Fig. 16)
Use a screwdriver to remove the brush holder caps. Take
out the worn carbon brushes, insert the new ones and
secure the brush holder caps.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers, always
using Makita replacement parts.
OPTIONAL ACCESSORIES
CAUTION:
• These accessories or attachments are recommended
for use with your Makita tool specified in this manual.
The use of any other accessories or attachments might
present a risk of injury to persons. Only use accessory
or attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• Hanger
• Dust cover
• Hex wrench