DeWalt D51238 Technical data

®
D51238
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Deutsch
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English
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Copyright DEWALT
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ENGLISH
NAILER D51238
Congratulations!
You have chosen a DEWALT tool. Years of
experience, thorough product development and
innovation make DEWALT one of the most reliable
partners for professional power tool users.
Director Engineering and Product Development
Horst Großmann
Technical data
D51238
Sound pressure (LpA)
dB(A) < 75
Acoustic power (LWA)
dB(A) < 88
Hand/arm weighted vibration
m/s2 2.31)
Recommended operating pressure bar 4.8 - 8.0
Max. operating pressure
bar 8.0
Air consumption per shot
l 4.5 (at 6.9 bar)
Actuating mode
contact actuating
Magazine angle
0°
Fasteners
length
mm 16 - 50
shank diameter
mm 1.2 (18 gauge)
angle
0°
Weight
kg 1.27
1)
This value is a tool-related characteristic value and
does not represent the influence to the hand-armsystem when using the tool. The influence to the
hand-arm-system when using the tool will for example
depend on the gripping force, the contact pressure
force, the working direction, the adjustment of energy
supply, the workpiece and the workpiece support.
EC-Declaration of conformity
D51238
DEWALT declares that these tools have been designed
in compliance with:
98/37/EC, EN 792-13, EN 12549, EN 12096
For more information, please contact DEWALT at the
address below, or refer to the back of the manual.
18
DEWALT, Richard-Klinger-Straße 40,
D-65510, Idstein, Germany
Safety instructions
When using tools, always observe the safety
regulations applicable in your country to reduce
the risk of personal injury. Read the following
safety instructions before attempting to operate
this product.
Keep these instructions in a safe place!
General
1 Keep work area clean
Cluttered areas and benches can cause accidents.
2 Consider work area environment
Do not expose tools to humidity. Keep work area
well lit. Do not use tools in the presence of
flammable liquids or gases.
3 Keep children away
Do not let children or visitors come into contact
with the tool. Supervision is required for those
under 16 years of age.
4 Store idle tools
When not in use, tools must be stored in a dry
place and locked up securely, out of reach of
children.
5 Dress properly
Do not wear loose clothing or jewellery. They can
be caught in moving parts. Preferably wear
rubber gloves and non-slip footwear when
working outdoors. Wear protective hair covering
to keep long hair out of the way.
6 Do not overreach
Keep proper footing and balance at all times.
7 Stay alert
Watch what you are doing. Use common sense.
Do not operate the tool when you are tired.
ENGLISH
8 Use appropriate tool
The intended use is described in this instruction
manual. Do not force small tools or attachments
to do the job of a heavy-duty tool. The tool will
do the job better and safer at the rate for which it
was intended.
Warning! The use of any accessory or
attachment or performance of any operation with
this tool, other than those recommended in this
instruction manual may present a risk of personal
injury.
9 Maintain tools with care
Keep the tools in good condition and clean for
better and safer performance. Follow the
instructions for maintenance and changing
accessories. Keep all controls dry, clean and free
from oil and grease.
10 Check for damaged parts
Before using the tool, carefully check it for damage
to ensure that it will operate properly and perform
its intended function. Check for misalignment
and seizure of moving parts, breakage of parts
and any other conditions that may affect its
operation. Have damaged guards or other
defective parts repaired or replaced as instructed.
11 Have your tool repaired by an authorized
DEWALT repair agent
This tool is in accordance with the relevant safety
regulations. To avoid danger, tools must only be
repaired by qualified technicians.
Additional safety instructions for pneumatic nailers
• Always wear safety glasses.
• Always wear ear protection.
• Only use fasteners of the type specified in
the manual.
• Do not use any stands for mounting the tool to
a support.
• Never use the tool for any other purpose than
specified in this manual.
• Prior to each operation check that the safety and
triggering mechanism is functioning properly and
that all nuts and bolts are tight.
• Use quick-action couplings for connection to the
compressed air system. The non-sealable nipple
must be fitted to the tool in such a way that no
compressed air remains in the tool after
disconnection.
• Always use clean, dry compressed air.
Do not use oxygen or combustible gases as an
energy source for this tool.
• Only connect this tool to an air supply where the
maximum allowable pressure of the tool cannot
be exceeded by more than 10%. In case of
higher pressures, a pressure reducing valve
including a downstream safety valve shall be built
into the compressed air supply.
• Only use hoses with a rating exceeding the
maximum operating pressure of the tool.
• Before transporting the tool, disconnect it from
the compressed air system, especially where
ladders are used or where unusual physical
posture is adopted while moving.
• Disconnect the tool from the air supply when it is
not in use.
• Avoid weakening or damaging the tool,
for example by:
- punching or engraving
- modifications not authorised by the manufacturer
- guiding against templates made of hard
material such as steel
- dropping or pushing across the floor
- applying excessive force of any kind
• Do not use the equipment as a hammer.
• Never point any operational fastener driving tool
at yourself or at any other person.
• While working, hold the tool in such a way that
no injuries can be caused to the head or to the
body in the event of a possible recoil due to a
disruption in the energy supply or hard areas
within the workpiece.
• Never actuate the fastener driving tool into free
space.
• In the work area, carry the tool at the workplace
using only one handle, and never with the trigger
actuated.
• Consider the conditions in the work area.
Fasteners can penetrate thin workpieces or slip
off corners and edges of the workpiece, and thus
put people at risk.
• Do not drive fasteners close to the edge of the
workpiece.
• Do not drive fasteners on top of other fasteners.
• Only use spare parts specified by the
manufacturer or his authorised agents.
19
ENGLISH
• Have repairs carried out only by the manufacturer
or authorised agents having due regard to the
information given in the manual and using the
appropriate tools and equipment.
• Do not disassemble or block any parts of the
fastener driving tool such as the safety yoke.
• Have the tool serviced properly and at regular
intervals.
Description (fig. A)
Your nailer D51238 has been designed for driving
fasteners into wooden workpieces.
1 Trigger/lock-off switch
2 Air fitting
3 Contact trip
4 Magazine
Assembly and adjustment
The following pictograms are shown on the tool:
Pneumatic tool with safety yoke.
Do not use on a ladder.
Magazine angle.
Maximum number of nails in magazine.
Nail diameter.
Nail length.
Max. operating pressure.
Package contents
The package contains:
1 Nailer
1 Sequential action trigger
1 Pair of safety glasses
1 Bottle of DEWALT pneumatic tool oil
1 Allen key
1 Kitbox
1 Instruction manual
1 Exploded drawing
• Check for damage to the tool, parts or accessories
which may have occurred during transport.
• Take the time to thoroughly read and understand
this manual prior to operation.
20
Trigger selection
These tools are assembled with a bump action
trigger. A sequential action trigger is also included
with the original packaging. For definitions of “bump
action” and “sequential action”, see below.
- The grey trigger with a single nail printed on the
side is the sequential action trigger. Installation of
this kit causes the tool to function in sequential
action mode.
- The black trigger with three nails printed on the
side is the bump action trigger. Installation of this
kit causes the tool to function in bump action
mode.
Removing the trigger (fig. B)
• Disconnect the airline from the tool.
• Remove all nails from the magazine.
• Remove the rubber grommet (5) from the end of
the dowel pin (6).
• Remove the dowel pin.
• Remove the trigger assembly (7).
Fitting the trigger (fig. B)
• Select the appropriate trigger.
• Insert the trigger assembly into the trigger cavity,
ensuring that the trigger spring (8) is properly
seated.
• Insert the dowel pin (6) through the tool frame,
contact trip guide and trigger assembly.
• Push the rubber grommet (5) onto the end of the
dowel pin.
Air fitting (fig. A)
These tools have a standard 1/4" pipe thread for
the air fitting (2).
• Wrap the male end of the fitting with Teflon tape
to prevent air leaks.
• Screw the fitting into the end cap and tighten firmly.
ENGLISH
Instructions for use
Always observe the safety instructions
and applicable regulations.
Preparing the tool (fig. C)
• Drain all condensation from the air compressor
tanks and hoses.
• Lubricate the tool. See “Maintenance”.
• Remove all nails from the magazine.
• Press the pusher release button (11) and pull the
magazine (4) rearward.
• Check if the contact trip (3) and magazine (4) can
move freely.
Do not use the tool if the contact trip or
magazine cannot move freely.
• Check that the pressure of the air supply is below
the maximum recommended operating pressure.
• Connect the air hose to the fitting on the tool.
• Check for audible leaks around valves and gaskets.
Never use a tool that leaks or has
damaged parts.
Cold weather operation
When operating tools at temperatures below freezing:
• Keep the tool as warm as possible before use.
• Disconnect the airline from the tool.
• Put 5-10 drops of DEWALT pneumatic tool oil (or
winter-weight pneumatic oil containing ethylene
glycol) into the air inlet.
• Set the air pressure to a maximum of 5.5 bar.
• Connect the air hose to the fitting on the tool.
• Load nails into the magazine as described below.
• Actuate the tool 5 or 6 times into scrap lumber to
lubricate the o-rings.
• Increase the air pressure to the normal operating
level.
• Use the tool in the normal manner.
Hot weather operation
The tool should operate normally. Avoid the heat of
direct sunlight to avoid damage to the bumpers,
o-rings, and other rubber parts.
Loading the tool (fig. C)
Always connect the tool to the air supply
before loading nails.
• Press the pusher release button (11) and pull the
magazine (4) rearward.
• Select an appropriate collated nail stick.
See “Technical data”.
• Insert collated nail stick (s) into the loading slot on
top of the magazine.
• Push the magazine forward until it locks in place.
Actuating the tool (fig. D)
These tools are equipped with a trigger/lock-off
switch (1). When rotated to the right, this switch
prevents the tool from actuating.
When the switch is centred, the tool will be fully
operational. The tool can be operated using one of
two modes: sequential action mode or bump action
mode. The trigger installed on the tool determines
the mode of actuation.
Sequential action mode
The sequential action mode is used for intermittent
nailing when very careful and accurate placement is
desired.
• Fit the grey trigger as described above.
• Push the contact trip against the work surface.
• Pull the trigger to actuate the tool. Each trigger
pull with the contact trip pushed against the work
surface will drive one nail.
Bump action
The bump action mode is used for rapid nailing on
flat, stationary surfaces.
• Fit the black trigger as described above.
• To drive a single nail: Operate the tool as
described for sequential action.
• To drive several nails: Pull the trigger first, and
then push the contact trip repeatedly against the
work surface.
Do not keep the trigger depressed when
the tool is not in use. Keep the trigger
lock-off switch rotated to the right to
prevent accidental actuation when the
tool is not in use.
21
ENGLISH
Clearing a jammed nail (fig. E)
If a nail becomes jammed in the nosepiece,
follow these instructions to remove the nail:
• Disconnect the airline from the tool.
• Lock the trigger with the trigger lock-off switch.
• Press the pusher release button (11) and pull the
magazine (4) rearward.
• Flip up the front latch (12) and move the bracket (13)
out of the way so that barrel (14) can be opened.
• Remove the bent nail, using pliers if necessary.
• If the driver blade is in the down position,
push the driver blade upward using a screwdriver.
• Close the barrel (14) and put the bracket (13)
back in position.
• Press the front latch (12) into the locked position.
• Connect the air hose to the fitting on the tool.
• Load nails into the magazine.
See “Loading the tool”.
• Push the magazine forward until it locks in place.
If nails become jammed in the nosepiece
frequently, have the tool serviced by an
authorised DEWALT service centre.
Depth setting (fig. F)
Always disconnect the tool from the air
supply before adjusting the depth setting.
The depth that the nails are driven can be adjusted
using the depth adjustment on the nosepiece of
the tool.
• To reduce the depth, press the adjustment
button (15) and slide the slider switch (16)
downward.
• To increase the depth, press the adjustment
button (15) and slide the slider switch (16)
upward.
Belt/rafter hook
These tools have an integrated belt/rafter hook.
The hook can be rotated to either side of the tool
and can be folded out of the way when not in use.
To remove the belt/rafter hook:
• Remove the air hose from the fitting on the tool.
• Use pliers or a wrench to remove the nut for the
belt/rafter hook from the end cap of the tool.
• Remove the belt/rafter hook, washer and detent
spring.
22
Maintenance
Your DEWALT tool has been designed to operate
over a long period of time with a minimum of
maintenance. Continuous satisfactory operation
depends on proper tool care and regular cleaning.
Perform the following maintenance operations every
day:
Lubricate tool with 5-7 drops of DEWALT
pneumatic tool oil
• Insert drops into the air fitting on the end cap of
the tool.
Drain all condensation from the air compressor
tanks and hoses
• Open petcocks or other drain valves on the
compressor tanks.
• Allow any accumulated water to drain from hoses.
Clean magazine, pusher, and contact trip
mechanism
• Clean by blowing with compressed air.
Ensure that all fasteners on the tool are tight and
undamaged
• Tighten loose fasteners using the appropriate tool.
Troubleshooting
If your tool seems not to operate properly, follow the
instructions below. If this does not solve the
problem, please contact your repair agent.
Tool does not work
• Check the air supply.
• If the temperature is low, warm the tool up.
Tool has insufficient power
• Check the air supply.
• Check if the air exhaust is clear.
• Lubricate the tool.
Top cap leaks air
• Tighten the cap screws.
ENGLISH
Tool skips nails
• Check the air supply.
• Lubricate the tool.
• Clean the magazine and nosepiece.
Fasteners jam in tool
• Make sure only to use fasteners of the type
specified.
• Tighten the nosepiece screws.
GUARANTEE
• 30 DAY NO RISK SATISFACTION GUARANTEE •
If you are not completely satisfied with the
performance of your DEWALT tool, simply return
it within 30 days, complete as purchased, to the
point of purchase, for a full refund or exchange.
Proof of purchase must be produced.
• ONE YEAR FREE SERVICE CONTRACT •
Unwanted tools and the environment
Take your tool to an authorized DEWALT repair agent
where it will be disposed of in an environmentally
safe way.
If you need maintenance or service for your
DEWALT tool, in the 12 months following
purchase, it will be undertaken free of charge at
an authorized DEWALT repair agent. Proof of
purchase must be produced. Includes labour and
spare parts for Power Tools. Excludes accessories.
• ONE YEAR FULL WARRANTY •
If your DEWALT product becomes defective due
to faulty materials or workmanship within
12 months from the date of purchase, we
guarantee to replace all defective parts free of
charge or, at our discretion, replace the unit free
of charge provided that:
• The product has not been misused.
• Repairs have not been attempted by
unauthorized persons.
• Proof of purchase date is produced.
This guarantee is offered as an extra benefit
and is additional to consumers statutory rights.
For the location of your nearest authorized
DEWALT repair agent, please use the appropriate
telephone number on the back of this manual.
Alternatively, a list of authorized DEWALT repair
agents and full details on our after-sales service
are available on the Internet at www.2helpU.com.
23
Belgique et Luxembourg
België en Luxemburg
DEWALT
Weihoek 1, Nossegem
1930 Zaventem-Zuid
Tel:
02 719 07 11
Fax:
02 721 40 45
www.dewaltbenelux.com
Danmark
DEWALT
Hejrevang 26 B
3450 Allerød
Tlf:
70 20 15 30
Fax:
48 14 13 99
www.dewalt-nordic.com
Deutschland
DEWALT
Richard-Klinger-Straße
65510 Idstein
Tel:
06126-21-1
Fax:
06126-21-2770
www.dewalt.de
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Black & Decker (Hellas) S.A.
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TËÏ:
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Service: (01) 8982-630
España
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08820 El Prat de Llobregat (Barcelona)
Tel:
Fax:
934 797 400
934 797 439
France
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BP 21, 69571 Dardilly Cedex
Tel:
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Helvetia
Schweiz
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Ireland
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Black Rock, Co. Dublin
Tel:
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00353-2781811
Italia
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Tel:
Fax:
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Sverige
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Türkiye
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