Maintenance - Makita AN924 Betriebsanleitung

Checking proper action before
operation
Be f ore operation, al w a y s c h e c k f ollo w ing points.
— Make sure t h at t h e tool d oes not operate onl y b y
c onne c ting t h e air h ose.
— Make sure t h at t h e tool d oes not operate onl y b y
pulling t h e trigger.
— Make sure t h at t h e tool d oes not operate onl y b y
pla c ing t h e c onta c t element against t h e w orkpie c e
w it h out pulling t h e trigger.
— I n single se q uential a c tuation mo d e, make sure
t h at t h e tool d oes not operate w h en pulling t h e
trigger first and then placing the contact element
against t h e w orkpie c e.
Selecting the operation mode
CAUTION:
Always make sure that the actua-
tion mode selector is properly set to the position
for the desired nailing mode before nailing.
Fig.16: 1. A c tuation mo d e sele c tor
Single sequential actuation mode:
Y ou c an d ri v e one nail b y one se q uential operation.
S ele c t t h is mo d e w h en d ri v ing a nail c are f ull y an d
a c c uratel y .
T o c h oose t h is mo d e, set t h e a c tuation mo d e sele c tor to
t h e position.
Contact actuation mode:
Y ou c an d ri v e nails repetiti v el y b y pla c ing t h e c onta c t
element w it h t h e trigger h el d .
T o c h oose t h is mo d e, set t h e a c tuation mo d e sele c tor to
t h e position.
Single sequential actuation
CAUTION:
Do not place the contact element
against the workpiece with excessive force. Also,
pull the trigger fully and hold it on for 1-2 seconds
after nailing.
E v en in t h e " S ingle se q uential a c tuation " mo d e, h al f -
pulle d trigger c auses an une x pe c te d nailing, w h en t h e
c onta c t element re- c onta c ts t h e w orkpie c e.
P la c e t h e c onta c t element against t h e w orkpie c e an d
pull t h e trigger f ull y .
A f ter nailing, release t h e c onta c t element, an d t h en
release t h e trigger.
Fig.17
Contact actuation
Pull the trigger first and then place the contact element
against t h e w orkpie c e.
Fig.18
Anti dry re mechanism
This tool is equipped with an anti dry fire mechanism.
W h en t h ere are a f e w nails remaining in t h e maga z ine,
t h e c onta c t arm w ill be lo c ke d in t h e un d epresse d posi-
tion to pre v ent t h e tool f rom being a c ti v ate d . W h en it is
a c ti v ate d , loa d more nails to resume operation.
Removing jammed nails
CAUTION:
Always release the trigger and dis-
connect the hose before removing jammed nails.
CAUTION:
Do not use deformed nails or nail
strip. F ailure to d o so c auses poor nail f ee d ing.
W h en t h e nailer be c omes j amme d , d o as f ollo w s :
I nsert a small ro d or t h e like into t h e e j e c tion port an d
tap it w it h a h ammer to retra c t t h e d ri v er.
Fig.19: 1. H ammer 2. S mall ro d 3. E j e c tion port
4. D ri v er
U se pliers to ben d t h e j amme d nail so t h at t h e nail h ea d
c omes out o f t h e slot in t h e d ri v er gui d e. T h en remo v e
t h e j amme d nail.
Fig.20: 1. P liers 2. S lot

MAINTENANCE

CAUTION:
Before attempting to perform
inspection or maintenance, always release the
trigger and disconnect the air hose from the tool.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
Nails
H an d le nail strips an d t h eir bo x c are f ull y . I f t h e nail
strips h a v e been h an d le d roug h l y , t h e y ma y be out o f
s h ape, c ausing poor nail f ee d .
A v oi d storing nails in a v er y h umi d or h ot pla c e or pla c e
e x pose d to d ire c t sunlig h t.
Maintenance of nailer
A l w a y s c h e c k t h e tool f or its o v erall c on d ition an d loose
s c re w s be f ore operation. T ig h ten as re q uire d .
W it h tool d is c onne c te d , make d ail y inspe c tion to assure
f ree mo v ement o f t h e c onta c t element an d trigger. D o
not use tool i f t h e c onta c t element or trigger sti c ks or
bin d s.
W h en t h e tool is not to be use d f or an e x ten d e d perio d
o f time, lubri c ate t h e tool using pneumati c tool oil an d
store t h e tool in a sa f e pla c e. A v oi d e x posure to d ire c t
sunlig h t an d / or h umi d or h ot en v ironment.
Fig.21
11 ENGLISH