Makita GA5041C Instruction Manual page 10

Constant speed control
Constant speed control provides fine finish by keeping
the rotating speed constant under the loaded condition.
Soft start feature
Soft start feature suppresses starting shock.
Overload protector
When the load on the tool exceeds admissible levels,
power to the motor is reduced to protect the motor from
overheating. When the load returns to admissible levels,
the tool will operate as normal.
Mechanical brake
For model GA4041C, GA4541C, GA5041C, GA6041C
Mechanical brake is activated after the tool is switched
off.
The brake does not work when the power supply is shut
down with the switch still on.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the tool.
Installing side grip (handle)
Fig.5
CAUTION:
Always be sure that the side grip is installed
•
securely before operation.
Screw the side grip securely on the position of the tool as
shown in the figure.
Installing or removing wheel guard (For
depressed center wheel, flap disc, flex wheel,
wire wheel brush / abrasive cut-off wheel,
diamond wheel)
WARNING:
When using a depressed center wheel, flap disc,
•
flex wheel or wire wheel brush, the wheel guard
must be fitted on the tool so that the closed side of
the guard always points toward the operator.
When using an abrasive cut-off / diamond wheel,
•
be sure to use only the special wheel guard
designed for use with cut-off wheels. (In some
European countries, when using a diamond wheel,
the ordinary guard can be used. Follow the
regulations in your country.)
For tool with locking screw type wheel guard
Fig.6
Mount the wheel guard with the protrusions on the wheel
guard band aligned with the notches on the bearing box.
Then rotate the wheel
counterclockwise. Be sure to tighten the screw securely.
To remove wheel guard, follow the installation procedure
in reverse.
guard around 180
For tool with clamp lever type wheel guard
Fig.7
Pull the lever in the direction of the arrow after loosening
the screw. Mount the wheel guard with the protrusions on
the wheel guard band aligned with the notches on the
bearing box. Then rotate the wheel guard around 180 ﾟ.
Fig.8
Tighten the wheel guard with fastening the screw after
pulling lever in the direction of the arrow. The setting
angle of the wheel guard can be adjusted with the lever.
To remove wheel guard, follow the installation procedure
in reverse.
Installing or removing depressed center
wheel or flap disc (optional accessory)
WARNING:
When using a depressed center wheel or flap disc,
•
the wheel guard must be fitted on the tool so that
the closed side of the guard always points toward
the operator.
Fig.9
Mount the inner flange onto the spindle. Fit the
wheel/disc on the inner flange and screw the lock nut
onto the spindle.
Fig.10
To tighten the lock nut, press the shaft lock firmly so that
the spindle cannot revolve, then use the lock nut wrench
and securely tighten clockwise.
To remove the wheel, follow the installation procedure in
reverse.
Super flange (Optional accessory)
Models with the letter F are standard-equipped with
Super flange. Only 1/3 of efforts needed to undo lock nut,
compared with conventional type.
CAUTION:
Do not use super flange for models equipped with
•
the mechanical brake. Otherwise it may loosen
when the brake is activated.
Installing or removing Ezynut (optional
accessory)
CAUTION:
Do not use Ezynut with Super Flange or angle
•
grinder with "F" on the end of the model No. Those
flanges are so thick that the entire thread cannot be
retained by the spindle.
Fig.11
Mount inner flange, abrasive wheel and Ezynut onto the
ﾟ
spindle so that Makita Logo on Ezynut faces outside.
Fig.12
Press shaft lock firmly and tighten Ezynut by turning the
abrasive wheel clockwise as far as it turns.
10