Operation - Makita DHR183 Instruction Manual

3. P l a c e t h e o t h e r h o o k i n t o t h e o p p o s i t e s i d e , w h i l e
repositioning the sealing cap to fit finely to the nozzle head.
Fig.39: 1. S e a l i n g c a p 2. C u b e h o o k 3. L o w e r p a r t
o f t h e g r o o v e 4. N o z z l e h e a d 5. R i m s
4. Gently lay the rubber edge of the sealing cap
d o w n o v e r t h e r i m o f t h e n o z z l e h e a d o p e n i n g f r o m
b o t t o m t o t o p .
Fig.40: 1. R u b b e r e d g e 2. S e a l i n g c a p 3. N o z z l e h e a d

OPERATION

CAUTION:
Al w ays use the side grip (auxiliary
handle and rmly hold the tool by both side grip
and s w itch handle during operations.
CAUTION:
Al w ays make sure that the w ork-
piece is secured before operation.
CAUTION:
Do not pull the tool out forcibly
even the bit gets stuck. Loss of control may
cause injury.
NOTICE:
Before using the dust collection sys-
tem w ith the tool, read the section about the dust
collection system.
NOTE: If the battery cartridge is in low temperature,
the tool's capability may not be fully obtained. In this
case, warm up the battery cartridge by using the
tool with no load for a while to fully obtain the tool's
capability.
Fig.41
Hammer drilling operation
CAUTION:
T h e r e i s t r e m e n d o u s a n d s u d d e n
t w i s t i n g f o r c e e x e r t e d o n t h e t o o l / d r i l l b i t a t t h e t i m e o f
h o l e b r e a k - t h r o u g h , w h e n t h e h o l e b e c o m e s c l o g g e d
w i t h c h i p s a n d p a r t i c l e s , o r w h e n s t r i k i n g r e i n f o r c i n g
r o d s e m b e d d e d i n t h e c o n c r e t e . Al w ays use the side
grip auxiliary handle and rmly hold the tool by
both side grip and s w itch handle during opera-
tions. Failure to do so may result in the loss of control
of the tool and potentially severe injury.
S e t t h e a c t i o n m o d e c h a n g i n g k n o b t o t h e
P o s i t i o n t h e d r i l l b i t a t t h e d e s i r e d l o c a t i o n f o r t h e h o l e ,
t h e n p u l l t h e s w i t c h t r i g g e r .
Apply feed force to the switch handle (main handle) for
working accuracy and e ciency, and hold the side grip
(auxiliary handle) to keep balance of the tool.
Keep the tool in position and prevent it from slipping
away from the hole.
Do not apply more pressure when the hole becomes
c l o g g e d w i t h c h i p s o r p a r t i c l e s . I n s t e a d , r u n t h e t o o l a t
an idle, then remove the drill bit partially from the hole.
By repeating this several times, the hole will be cleaned
out and normal drilling may be resumed.
NOTE: Eccentricity in the drill bit rotation may occur
w h i l e o p e r a t i n g t h e t o o l w i t h n o l o a d . T h e t o o l a u t o -
matically centers itself during operation. This does not
a ect the drilling precision.
Drilling in w ood or metal
CAUTION:
w hen the drill bit begins to break through the
w orkpiece. T h e r e i s a t r e m e n d o u s f o r c e e x e r t e d o n
t h e t o o l / d r i l l b i t a t t h e t i m e o f h o l e b r e a k t h r o u g h .
CAUTION:
simply by setting the reversing s w itch to reverse
rotation in order to back out. Ho w ever, the tool
may back out abruptly if you do not hold it rmly.
CAUTION:
vise or similar hold-do w n device.
NOTICE:
w hen the drill chuck is installed on the tool. T h e
drill chuck may be damaged.
Also, the drill chuck will come o when reversing the
t o o l .
NOTICE:
not speed up the drilling. I n f a c t , t h i s e x c e s s i v e
pressure will only serve to damage the tip of your drill
b i t , d e c r e a s e t h e t o o l p e r f o r m a n c e a n d s h o r t e n t h e
s e r v i c e l i f e o f t h e t o o l .
S e t t h e a c t i o n m o d e c h a n g i n g k n o b t o t h e
Attach the chuck adapter to a keyless drill chuck to
w h i c h 1 / 2 " -20 s i z e s c r e w c a n b e i n s t a l l e d , a n d t h e n
i n s t a l l t h e m
s e c t i o n " I n s t a l l i n g o r r e m o v i n g d r i l l b i t " .
Fig.42: 1. Drill chuck assembly 2. C h u c k a d a p t e r
Blow -out bulb
Optional accessory
A f t e r d r i l l i n g t h e h o l e , u s e t h e b l o w - o u t b u l b t o c l e a n t h e
d u s t o u t o f t h e h o l e .
Fig.43
Using dust cup set
Optional accessory
F i t t h e d u s t c u p s e t a g a i n s t t h e c e i l i n g w h e n o p e r a t i n g
t h e t o o l .
Fig.44
NOTICE:
symbol.
ing in metal or similar. It may damage the dust
cup set due to the heat produced by small metal
dust or similar.
NOTICE:
set w ith the drill bit installed in the tool. It may
damage the dust cup set and cause dust leak.
16 ENGLISH
Hold the tool rmly and exert care
A stuck drill bit can be removed
Al w ays secure w orkpieces in a
Never use " rotation w ith hammering "
Pressing excessively on the tool w ill
t o t h e t o o l . W h e n i n s t a l l i n g i t , r e f e r t o t h e
Do not use the dust cup set w hen drill-
Do not install or remove the dust cup
symbol.