Makita GA4593 Manuel D'instructions page 14

Switch action
CAUTION:
Before plugging in the tool, always
check to see that the switch lever actuates properly
and returns to the "OFF" position when released.
CAUTION:
For your safety, this tool is equipped
with lock-off lever which prevents the tool from unin-
tended starting. NEVER use the tool if it runs when
you simply pull the switch lever without pulling the
lock-off lever. Return the tool to our authorized ser-
vice center for proper repairs BEFORE further usage.
CAUTION:
Do not pull the switch lever hard
without pulling the lock-off lever. T h i s c a n c a u s e
s w i t c h b r e a k a g e .
CAUTION:
NEVER tape down or defeat pur-
pose and function of lock-off lever.
To prevent the switch lever from being accidentally
pulled, a lock-o lever is provided.
To start the tool, pull the lock-o lever toward the opera-
t o r a n d t h e n p u l l t h e s w i t c h l e v e r .
T o s t o p t h e t o o l , r e l e a s e t h e s w i t c h l e v e r .
Fig.4: 1. Lock-o lever 2. S w i t c h l e v e r
Electronic function
Active Feedback sensing Technology
CAUTION:
Hold the tool firmly until the rota-
tion stops.
The tool electronically detects situations where the wheel
or accessory may be at risk to be bound. In such situation,
the tool automatically shuts o the power to prevent further
rotation of the spindle (this does not prevent kickback).
A t t h i s t i m e , t h e i n d i c a t i o n l a m p b l i n k s i n r e d a n d s h o w s
the Active Feedback sensing Technology is working.
To restart the tool, switch o the tool first, remove the
c a u s e o f s u d d e n d r o p i n t h e r o t a t i o n s p e e d , a n d t h e n
t u r n t h e t o o l o n .
Accidental re-start preventive function
W h e n p l u g g i n g i n t h e t o o l w h i l e t h e s w i t c h i s O N , t h e
t o o l d o e s n o t s t a r t .
A t t h i s t i m e , t h e i n d i c a t i o n l a m p b l i n k s i n r e d a n d s h o w s
t h a t t h e a c c i d e n t a l r e - s t a r t p r e v e n t i v e f u n c t i o n w o r k s .
To start the tool, turn o the switch, and turn it on again.
Constant speed control
Possible to get fine finish, because the rotating speed is
k e p t c o n s t a n t e v e n u n d e r t h e l o a d e d c o n d i t i o n .
Soft start feature
S o f t s t a r t f e a t u r e r e d u c e s s t a r t i n g r e a c t i o n .
Mechanical brake
Only for modelGA4593 / GA4594 / GA5093 / GA5094
M e c h a n i c a l b r a k e i s a c t i v a t e d a f t e r t h e t o o l i s s w i t c h e d
o .
The brake does not work when the power supply is shut
d o w n w i t h t h e s w i t c h s t i l l o n .
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)
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.
Fig.5
Installing or removing wheel guard
WARNING:
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.
WARNING:
securely locked by the lock lever with one of the
holes on the wheel guard.
WARNING:
/ diamond wheel, be sure to use only the special
wheel guard designed for use with cut-off wheels.
For depressed center wheel, flap disc,
flex wheel, wire wheel brush / abrasive
cut-off wheel, diamond wheel
1. W h i l e p u s h i n g t h e l o c k l e v e r , m o u n t t h e w h e e l
g u a r d w i t h t h e p r o t r u s i o n s o n t h e w h e e l g u a r d a l i g n e d
w i t h t h e n o t c h e s o n t h e b e a r i n g b o x .
Fig.6: 1. L o c k l e v e r 2. N o t c h 3. P r o t r u s i o n
2. W h i l e p u s h i n g t h e l o c k l e v e r t o w a r d A , h o l d d o w n
the portions B of the wheel guard as shown in the figure.
Fig.7: 1. W h e e l g u a r d 2. H o l e
NOTE: P u s h d o w n t h e w h e e l g u a r d s t r a i g h t .
Otherwise, you cannot secure the wheel guard.
3.
W h i l e p u s h i n g t h e l o c k l e v e r t o w a r d A , r o t a t e t h e w h e e l
guard toward C, and then, change the angle of the wheel
g u a r d a c c o r d i n g t o t h e w o r k s o t h a t t h e o p e r a t o r c a n b e p r o -
t e c t e d . A l i g n t h e l o c k l e v e r w i t h o n e o f t h e h o l e s i n t h e w h e e l
g u a r d , a n d t h e n r e l e a s e t h e l o c k l e v e r t o l o c k t h e w h e e l g u a r d .
Fig.8: 1. W h e e l g u a r d 2. H o l e
T o r e m o v e w h e e l g u a r d , f o l l o w t h e i n s t a l l a t i o n p r o c e -
d u r e i n r e v e r s e .
Clip-on cutting wheel guard attachment
Optional accessory
NOTE: For cutting-o operations, a clip-on cutting
w h e e l g u a r d a t t a c h m e n t c a n b e u s e d w i t h t h e w h e e l
guard (for grinding wheel).
N o t a v a i l a b l e i n s o m e c o u n t r i e s .
Fig.9
14 ENGLISH
When using a depressed center wheel,
Make sure that the wheel guard is
When using an abrasive cut-off