Makita AN922 User manual

Pneumatic Framing Nailer
540 mm x 376 mm x 108 mm
(21-114” x 14-3/4” x 4-1/4”)
446 mm x 376 mm x 108 mm
(17-112” x 14-3/4” x 4-114”)
64 - 74 pes'
- 84 pes'
AN922 4.5
- 8.5 kgflcm2G
(65
- 120 PSIG) 50
mm - 90 mm
(2” - 3-1/2”) 8.5
mm (5116”)
AN942
MODEL AN922
MODEL AN942
3.8 kg (8.4 Ibs)
INSTRUCTION MANUAL
4ml AN922
LJ AN942
SPECIFICATIONS
I Min. hose diameter I Net weight
Dimensions
I Nail length I Nail capacity I (L x H x W)
Model I Air pressure
* Manufacturer reserves the right to change specifications without notice.
* Note: Specifications may differ from country to country.
WARNING: For your personal safety, READ and UNDERSTAND before using.
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IMPORTANT
SAFETY INSTRUCTIONS
WARNING: WHEN USING THIS TOOL, BASIC SAFETY PRECAUTIONS
SHOULD ALWAYS BE FOLLOWED
TO REDUCE THE RISK OF PERSONAL
INJURY, INCLUDING THE FOLLOWING:
READ ALL INSTRUCTIONS.
.For personal safety and proper operation and
maintenance of the tool, read this instruction
manual carefully before using the tool.
Always wear safety glassesto protect your eyes
fromdust or nailinjury. Thesafetyglassesshould
conformwiththe requirementsof ANSI
287.1 -
1979.
WARN I N G :
It isan employer’s responsibility to enforce the
useof safetyeye protectionequipmentbythetool
operatorsandbyother persons
in the immediate
working area.
.Wear hearing protection to protect your ears
againstexhaust noiseandheadprotection. Also
wear
light butnotlooseclothing. Sleevesshould
be buttoned or rolled
up. No necktie should be
worn.
Rushingthejob or forcing thetool isdangerous.
Handle the tool carefully.
Do not operate when
underthe influenceof alcohol, drugsorthe like.
2

*General Tool Handling Guidelines:
1. Always assume that the tool contains fasteners.
2. Do notpoint the tool towardyourself or anyonewhether it containsfastenersor not.
3. Do not activate the tool unless the tool is placed firmly against the workpiece.
4. Respect the tool as a working implement.
5. No horseplay.
6. Do not hold or carry the tool with a finger on the trigger.
7. Do not loadthetoolwithfastenerswhenany one of the operatingcontrols isactivated.
8. Do not operate the tool with any power source other than that specified inthe tool
__
operating/safety instructions.
*Animproperlyfunctioningtoolmustnot beused.
.Sparks sometimesfly when the tool isused.
Do
notusethetool nearvolatile, flammable materials
such as gasoline, thinner, paint, gas, adhesives,
etc.; they willigniteandexplode, causingserious
injury.
I
M
*The area should be sufficiently illuminated to
assure safe operations.
The area should be clear and litter- free. Be
especially careful to maintain good footing and
balance.
I II

.Only those involved in the work should bein the
vicinity. Childrenespeciallymustbekeptaway at
all times.
.There may belocalregulationsconcerning noise
which must be complied with by keeping noise
levelswithin prescribed limits.
In certain cases,
shutters should be used to contain noise.
Do notplaywiththe contact element: it prevents
accidental discharge,
so it must be kept onand
not removed. Securing the trigger
in the ON po-
sition is also very dangerous. Never attempt to
fasten the trigger.
Do not operate a tool if any portion of the tool
operating controls is inoperable, disconnected,
altered, or not working properly.
.Operate thetoolwithinthespecifiedair pressure
of
4.5 - 8.5 kgf/cm'G (65 - 120 PSIG) for safety
and longer tool life.
Do not exceed the recom-
mended max. operating pressure of
8.5
kgf/cm'G (120 PSIG). The tool should not be
connectedtoasourcewhose pressurepotentially
exceeds
14.0 kgf/cm*G (200 PSIG).
Shutter
0.5 kgf/cm2 G 8.5 kgf/cm2G
I (120 PSIG) (120 PSIG)
4

*Never use the tool with other than compressed
air. If bottled gas (carbon dioxide, oxgen, nitro-
gen, hydrogen, air, etc.) or combustible gas
(hydrogen, propane, acetylene, etc.) is used as
apowersourcefor thistool, thetoolwillexplode
and cause serious injury.
*Always check the tool for its overall condition
and loose screws before operation. Tighten as
required.
Makesure all safetysystemsare in workingorder
before operation. The tool must not operate if
onlythetrigger ispulledor if onlythecontactarm
is pressed against the wood. It must work only
when both actions are performed. Test for pos-
siblefaulty operationwith nailsunloadedandthe
pusher in fully pulled position.
COMPRESSED
AIR
c

*Make sure that the trigger is locked when the
change lever is set to the LOCK position.
I
*Checkwalls, ceilings, floors, roofingandthe like
carefully to avoid possibleelectricalshock, gas
leakage, explosions, etc. caused by striking live
wires, conduits or gas pipes.
Live wire
I Gas
Use only nailsspecifiedinthis manual. The use
of any other nailsmay cause malfunctionof the
tool.
I
Do not permitthoseuninstructedtousethetool.
6

Makesure noone is nearbybeforenailing. Never
attempt to nailfrom boththe insideand outside
at the same time. Nails may
rip through and/or
fly
off, presenting a grave danger.
*Watch your footing and maintain your balance
with the tool. Make sure there is no one below
when working
in high locations, and secure the
air hose to prevent danger if there is sudden
jerking or catching.
On rooftopsandother high locations, nailasyou
moveforward.
It iseasy toloseyour footingifyou
nailwhileinchingbackward. When nailingagainst
perpendicular surface, nail from the top to the
bottom.You can performnailingoperationswith
less fatigue by doing
so.
*A nailwill bebentorthetoolcan becomejammed
if you mistakenly nail on top of another nail or
strikeaknot
in thewood. The nailmaybethrown
and
hit someone, orthetoolitself can react dan-
gerously. Place the nails with care.
7

Do notleavethe loadedtoolortheaircompressor
under pressurefor alongtime out
in thesun. Be
surethat dust, sand, chipsandforeignmatterwill
not enter the tool
in the place where you leave
it setting .
*Do not point the ejection port at anyone in the
vicinity. Keep hands and feet away from the
ejection port area.
I
..
Whenthe air hoseisconnected,do notcarry the
tool with your finger
on the trigger or hand it to
someone inthis condition. Accidentalfiring can
be extremely dangerous.
Handlethetoolcarefullyasthereishighpressure
inside the tool that can be dangerous if a crack
is caused by rough handling (dropping or strik-
ing).
Do not attempt to carve or engrave onthe
tool.
8

Stopnailingoperationsimmediately if you notice
somethingwrongorout of the ordinary with the
tool.
.Always disconnect the air hoseand removeallof
the nails:
1. When unattended.
2. Beforeperformingany maintenanceor repair.
3. Before cleaning a jam.
4. Before moving the tool to a new location.
Perform cleaning and maintenance right after
finishing the job. Keep the tool
in tip-top condi-
tion. Lubricate moving parts to prevent rusting
and minimize friction related wear. Wipe
off all
dust from the parts.
.When not operating the tool, always
lock the
trigger by turning the change lever to the LOCK
position.
Trigger
n

*Do not operate this tool if it does not contain a
legible WARNING LABEL.
*Do not modify tool without authorization from
Makita.
Ask Makita’s Factoryor Authorizedservicecenter
for periodical inspection of the tool.
To maintain product SAFETY and RELIABILITY,
maintenanceandrepairsshould beperformedby
Makita Authorized or Factory Service Centers,
always using Makita replacement parts.
SAVE THESE INSTRUCTIONS.
10