Replacing Carbon Brushes - Makita JR3051T Manual De Instrucciones

A tta c h t h e h ook b y f ollo w ing pro c e d ure.
1 . I nsert t h e tip o f slotte d s c re w d ri v er into t h e not c h
an d remo v e t h e t h e c o v er b y pressing an d sli d ing it.
► Fig.3: 1. Not c h 2. C o v er
2. Insert the square nuts into the tool as shown in the figure.
3. S e c ure t h e h ook w it h t h e s c re w s.
► Fig.4: 1. S q uare nut 2. H ook 3. S c re w
ASSEMBLY
CAUTION:
Always be sure that the tool is
switched off and unplugged before carrying out
any work on the tool.
Installing or removing the recipro
saw blade
CAUTION:
Always clean out all chips or for-
eign matter adhering to the blade and around the
blade clamp. Failure to do so may cause insufficient
tightening of the blade, resulting in a serious injury.
Be f ore installing t h e re c ipro sa w bla d e, al w a y s make
sure t h at t h e bla d e c lamp le v er ( part o f t h e bla d e c lamp
slee v e ) is in release d position
cover. If the blade clamp lever is in fixed position, rotate
t h e bla d e c lamp le v er in t h e d ire c tion o f t h e arro w so
t h at it c an be lo c ke d at t h e release d position
► Fig.5: 1. Bla d e c lamp le v er 2. R elease d position
3. F i x e d position
I nsert t h e re c ipro sa w bla d e into t h e bla d e c lamp as f ar
as it will go. The blade clamp sleeve rotates and fixes the
re c ipro sa w bla d e. Make sure t h at t h e re c ipro sa w bla d e
c annot be e x tra c te d e v en t h oug h y ou tr y to pull it out.
► Fig.6: 1. R e c ipro sa w bla d e 2. Bla d e c lamp slee v e
CAUTION:
If you do not insert the recipro saw
blade deep enough, the recipro saw blade may be
ejected unexpectedly during operation. T h is c an
be e x tremel y d angerous.
T o remo v e t h e re c ipro sa w bla d e, rotate t h e bla d e
c lamp le v er in t h e d ire c tion o f t h e arro w f ull y . T h e re c i-
pro sa w bla d e is remo v e d an d t h e bla d e c lamp le v er is
fixed at the released position
► Fig.7: 1. R e c ipro sa w bla d e 2. Bla d e c lamp le v er
CAUTION:
Keep hands and fingers away from
the lever during the switching operation. Failure
to do so may cause personal injuries.
NOTE: I f y ou remov e th e rec ipro saw blad e w ith out
rotating th e blad e c lamp lev er f ully , th e lev er may not be
loc ked in th e released position
th e blad e c lamp lev er f ully again, th en make sure th at
th e blad e c lamp lev er loc ked at th e released position
NOTE: I f t h e bla d e c lamp le v er is positione d insi d e
the tool, switch on the tool just a second to let the
bla d e out. U nplug t h e tool be f ore installing or remo v -
ing t h e re c ipro sa w bla d e.
on t h e insulation
.
.
. I n th is c ase, rotate
.
OPERATION
CAUTION:
Always hold the tool firmly with
one hand on insulation cover and the other on the
switch handle.
CAUTION:
Always press the shoe firmly
against the workpiece during operation. I f t h e
s h oe is remo v e d or h el d a w a y f rom t h e w orkpie c e
d uring operation, strong v ibration an d / or t w isting w ill
be pro d u c e d , c ausing t h e bla d e to snap d angerousl y .
CAUTION:
Always wear gloves to protect your
hands from hot flying chips when cutting metal.
CAUTION:
Be sure to always wear suitable
eye protection which conforms with current
national standards.
CAUTION:
Always use a suitable coolant
(cutting oil) when cutting metal. F ailure to d o so w ill
c ause premature bla d e w ear.
CAUTION:
Do not quirk the blade during cutting.
Press the shoe firmly against the workpiece. Do not
allo w t h e tool to boun c e. Bring t h e re c ipro sa w bla d e
into lig h t c onta c t w it h t h e w orkpie c e. F irst, make a pilot
groo v e using a slo w er spee d . T h en use a f aster spee d
to c ontinue c utting.
► Fig.8
NOTICE:
Do not cut the workpiece with the shoe
away from the workpiece or without the shoe.
D oing so in c reases t h e rea c tion f or c e w h i c h ma y
break t h e re c ipro sa w bla d e.
MAINTENANCE
CAUTION:
Always be sure that the tool is
switched off and unplugged before attempting to
perform inspection or maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
T o maintain pro d u c t S A F E T Y an d R E L I A B I L I T Y ,
repairs, any other maintenance or adjustment should
be per f orme d b y Makita A ut h ori z e d or F a c tor y S er v i c e
C enters, al w a y s using Makita repla c ement parts.

Replacing carbon brushes

► Fig.9: 1. L imit mark
C h e c k t h e c arbon brus h es regularl y .
R epla c e t h em w h en t h e y w ear d o w n to t h e limit mark.
Keep t h e c arbon brus h es c lean an d f ree to slip in t h e
h ol d ers. Bot h c arbon brus h es s h oul d be repla c e d at t h e
same time. U se onl y i d enti c al c arbon brus h es.
1. U se a s c re w d ri v er to remo v e t h e brus h h ol d er
c aps.
2.
T ake out t h e w orn c arbon brus h es, insert t h e ne w
ones an d se c ure t h e brus h h ol d er c aps.
► Fig.10: 1. Brus h h ol d er c ap
6 ENGLISH