Operation - Makita SA5040C Instruction Manual

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.15
Mount the inner flange onto the spindle. Fit the
wheel/disc on the inner flange and screw the lock nut
onto the spindle.
Fig.16
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
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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.17
Mount inner flange, abrasive wheel and Ezynut onto the
spindle so that Makita Logo on Ezynut faces outside.
Fig.18
Press shaft lock firmly and tighten Ezynut by turning the
abrasive wheel clockwise as far as it turns.
Turn the outside ring of Ezynut counterclockwise to
loosen.
Fig.19
Fig.20
NOTE:
Ezynut can be loosened by hand as long as the
•
arrow points the notch. Otherwise a lock nut
wrench is required to loosen it. Insert one pin of
the wrench into a
counterclockwise.
hole and turn Ezynut
Installing or removing flex wheel
(optional accessory)
WARNING:
Always use supplied guard when flex wheel is on
•
tool. Wheel can shatter during use and guard
helps to reduce chances of personal injury.
Fig.21
Follow instructions for depressed center wheel but also
use plastic pad over wheel. See order of assembly on
accessories page in this manual.
Installing or removing abrasive disc
(optional accessory)
NOTE:
Use sander accessories specified in this manual.
•
These must be purchased separately.
Fig.22
Mount the rubber pad onto the spindle. Fit the disc on
the rubber pad and screw the sanding lock nut onto the
spindle. To tighten the sanding 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 disc, follow the installation procedure in
reverse.
Installing or removing dust cover attachment
(Optional accessory)
WARNING:
Always be sure that the tool is switched off
•
and unplugged before installing or removing
the dust cover attachment. Failure to do so
causes damage to the tool or a personal injury.
There are four pieces of dust cover attachment and
each is used in one of different positions.
Fig.23
Set the dust cover attachment so that the marking (A, B,
C or D) places as shown. Snap its pins in the vents.
Dust cover attachment can be removed by hand.
NOTE:
Clean out the dust cover attachment when it is
•
clogged with dust or foreign matters. Continuing
operation with a clogged dust cover attachment
will damage the tool.

OPERATION

WARNING:
It should never be necessary to force the tool. The
•
weight of the tool applies adequate pressure.
Forcing and excessive pressure could cause
dangerous wheel breakage.
ALWAYS replace wheel if tool is dropped while
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grinding.
10