Parts Description; Installation - Makita AT638A Betriebsanleitung

Service
1 . Perform cleaning and maintenance right after
nishing the job. Keep t h e tool in tip-top c on d i-
tion. L ubri c ate mo v ing parts to pre v ent rusting an d
minimi z e f ri c tion-relate d w ear. W ipe o f f all d ust
f rom t h e parts.
2. Ask Makita authorized service center for peri-
odical inspection of the tool.
To maintain product SA ETY and RELIABILITY,
3.
maintenance and repairs should be performed
by Makita Authorized Service Centers, al ays
using Makita replacement parts.
Follow local regulations when disposing of the
4 .
tool.
SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity
with product ( gained from repeated use ) replace
strict adherence to safety rules for the subject
product. MISUSE or failure to follow the safety
rules stated in this instruction manual may cause
serious personal injury.

PARTS DESCRIPTION

Fig.1: 1. T rigger 2. Nose a d apter ( c onta c t element )
3. H ook 4. Maga z ine

INSTALLATION

Selecting compressor
60
50
40
2
30
20
10
10 20
1. S tapling f re q uen c y ( times / min ) 2. C ompressor air
output per minute ( L / min ) 3. 0. 8 3 M P a ( 8 .3 bar ) 4. 0. 6 6
M P a ( 6 . 6 bar ) 5 . 0. 4 9 M P a ( 4 . 9 bar )
T h e air c ompressor must c ompl y w it h t h e re q uirements
o f EN 6 033 5 -2-3 4 .
S ele c t a c ompressor t h at h as ample pressure an d air
output to assure cost-efficient operation. The graph
s h o w s t h e relation bet w een stapling f re q uen c y , appli c a-
ble pressure an d c ompressor air output.
30 40 50 60
1
T h us, f or e x ample, i f stapling takes pla c e at a rate o f
appro x imatel y 6 0 times per minute at a c ompression
o f 0. 8 3 M P a ( 8 .3 bar ) , a c ompressor w it h an air output
o v er 5 0 liters / minute is re q uire d .
P ressure regulators must be use d to limit air pressure to
t h e rate d pressure o f t h e tool w h ere air suppl y pressure
e x c ee d s t h e tool ' s rate d pressure. F ailure to d o so ma y
result in serious in j ur y to tool operator or persons in t h e
v i c init y .
Selecting air hose
CAUTION:
or a long or smaller diameter air hose in relation
to the stapling frequency may cause a decrease in
the driving capability of the tool.
Fig.2
U se an air h ose as large an d as s h ort as possible to
assure continuous, efficient stapling operation.
W it h an air pressure o f 0. 4 9 M P a ( 4 . 9 bar ) , an air h ose
w it h an internal d iameter o f o v er 6 . 5 mm an d a lengt h
o f less t h an 20 m is re c ommen d e d w h en t h e inter v al
bet w een ea c h stapling is 0. 5 se c on d s.
A ir suppl y h oses s h all h a v e a minimum w orking pres-
sure rating o f 1 .03 M P a ( 1 0.3 bar ) or 1 5 0 per c ent o f t h e
ma x imum pressure pro d u c e d in t h e s y stem w h i c h e v er
is h ig h er.
Lubrication
Fig.3
T o insure ma x imum per f orman c e, install an air set ( oiler,
regulator, air filter) as close as possible to the tool.
A d j ust t h e oiler so t h at one d rop o f oil w ill be pro v i d e d
f or e v er y 5 0 staples.
W h en an air set is not use d , oil t h e tool w it h pneumati c
tool oil b y pla c ing 2 ( t w o ) or 3 ( t h ree ) d rops into t h e air
fitting. This should be done before and after use.
For proper lubrication, the tool must be fired a couple of
3
times a f ter pneumati c tool oil is intro d u c e d .
4
Fig.4: 1. P neumati c tool oil
5
9 ENGLISH
Lo air output of the compressor,