Viega Pressgun 6 User manual

US
Model ModelYear
2995.4 04/2020
1SFTTHVO
Instructions for Use
Viega Pressgun 6

Viega Pressgun 6
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1 Instructions for Use ________________________________________________________________________________________________ 3
1.1 Disclaimer __________________________________________________________________________________________________________ 3
1.2 Symbols Used ___________________________________________________________________________________________________ 3
1.3 Audience ____________________________________________________________________________________________________________ 4
1.4 Terms __________________________________________________________________________________________________________________ 4
2 Product Information ________________________________________________________________________________________________ 5
2.1 General Safety Instructions for Electrical Tools __________________________________________ 5
2.2 Areas of Use ______________________________________________________________________________________________________ 8
2.3 Product Description _________________________________________________________________________________________ 9
3 Handling ___________________________________________________________________________________________________________________ 15
3.1 Transport and Storage ___________________________________________________________________________________ 15
3.2 Commissioning _______________________________________________________________________________________________ 16
3.3 Carrying Out the Press __________________________________________________________________________________ 17
3.4 Interrupting the Press ____________________________________________________________________________________ 18
3.5 Battery and Charger _______________________________________________________________________________________ 18
3.6 Troubleshooting ______________________________________________________________________________________________ 19
3.7 Care and Maintenance __________________________________________________________________________________ 21
3.8 Service Partners ______________________________________________________________________________________________ 22
3.9 Disposal ____________________________________________________________________________________________________________ 22
Content

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Instructions for Use
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1InstructionsforUse
1.1 Disclaimer
Viega products are designed to be installed by licensed and trained
plumbing and mechanical professionals who are familiar with Viega
products and their installation. Installation by non-professionals may
void Viega LLC’s warranty.
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This document is subject to updates. For the most current Viega tech-
nical literature please visit www.viega.us.
1.2 Symbols Used
Within this document, the following symbols may be used:
DANGER!
This symbol warns of possible life-threatening injury.
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WARNING!
This symbol warns of possible serious injury.

CAUTION!
This symbol warns of possible injury.

NOTICE!
This symbol warns of possible damage to property.
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Notes give you additional helpful tips.

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Observe the warning signs and symbols on the press machine and its accessories:
Danger of crushing your hands,
󶈵ngers, and other body parts.
Use electrical tools and
accessories only in areas
protected from moisture.
Danger of electric shock. Protection class II
(double insulated enclosure)
Observe operating
instructions.
Read the operating and safety
instructions carefully prior to
the commissioning procedure.
The marked product must not
be disposed of as household
waste.
Wear eye protection.
Wear safety glasses with side
protection to avoid injury.
-JJPO
Recyclable lithium ion
rechargeable batteries, see
"Disposal".
1.3 Audience
The information in this document is directed at the following groups of people:
■ Heating and plumbing professionals and trained personnel.
1.4 Terms
The following terms are used in this document:
Term Meaning
Viega system press machine
Pressgun 6
Press machine
Viega system press jaws Press jaws
Viega system press rings Press rings
Viega system press tool Combination of press tool, for example:
■ Press machine and press jaw
■ Press machine and Pressgun Press Booster
■ Press machine with hinged actuator and press
ring
■ Press machine and Press-in Branch
Connector tool

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2ProductInformation
2.1 General Safety Instructions for Electrical Tools
This section comprises general instructions for numerous di󶈴erent products and
electrical tools. Consequently, not every safety instruction will necessarily apply
to this tool.
WARNING!
Read all safety warnings, instructions, illustrations and
speci󶈵cations provided with this power tool.
Failure to follow all instructions listed below may result in electric
shock, 󶈵re, and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to the corded power tool or battery-
operated (cordless) power tool.
1) Work Area Safety
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive atmospheres, such as in the
presence of 󶈶ammable liquids, gases, or dust.
Power tools create sparks which may ignite the dust or fumes.
c) Keep children and bystanders away while operating a power tool.
Distractions can cause you to lose control.
2) Electrical Safety
a) Power tool plugs must match the outlet. Never modify the plug in any
way. Do not use any adapter plugs with grounded power tools.
Unmodi󶈵ed plugs and matching outlets will reduce risk of electric shock.
b) Avoid body contact with grounded surfaces, such as pipes, radiators,
ranges, and refrigerators.
There is an increased risk of electric shock if your body is grounded.
c) Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of electric shock.
d) Do not abuse the cord. Never use the cord for carrying, pulling, or
unplugging the power tool. Keep cord away from heat, oil, sharp edges,
or moving parts.
Damaged or entangled cords increase the risk of electric shock.

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e) When operating a power tool outdoors, use an extension cord suitable
for outdoor use.
Use of a cord suitable for outdoor use reduces the risk of electric shock.
f) If operating a power tool in a damp location is unavoidable, use a
residual current device (RCD) protected supply.
Use of an RCD reduces the risk of electric shock.
3) Personal Safety
a) Stay alert, watch what you are doing and use common sense when
operating a power tool. Do not use a power tool while you are tired or
under the in󶈶uence of drugs, alcohol, or medication.
A moment of inattention while operating power tools may result in serious
personal injury.
b) Use personal protective equipment. Always wear eye protection.
Protective equipment such as a dust mask, non-skid safety shoes, hard hat, or
hearing protection used for appropriate conditions will reduce personal injuries.
c) Prevent unintentional starting. Ensure the switch is in the o󶈴-position
before connecting to power source and/or battery pack, picking up, or
carrying the tool.
Carrying power tools with your 󶈵nger on the switch or energising power tools
that have the switch on invites accidents.
d) Remove any adjusting key or wrench before turning the power tool on.
A wrench or a key left attached to a rotating part of the power tool may result
in personal injury.
e) Do not overreach. Keep proper footing and balance at all times.
This enables better control of the power tool in unexpected situations.
f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair
and clothing away from moving parts.
Loose clothes, jewellery, or long hair can be caught in moving parts.
g) If devices are provided for the connection of dust extraction and
collection facilities, ensure these are connected and properly used.
Use of dust collection can reduce dust-related hazards.
h) Do not let familiarity gained from frequent use of tools allow you to
become complacent and ignore tool safety principles.
A careless action can cause severe injury within a fraction of a second.
4) Power Tool Use and Care
a) Use the correct power tool for your application.
The correct power tool will do the job better and safer at the rate for which it
was designed.
b) Do not use the power tool if the switch does not turn it on and o󶈴.
Any power tool that cannot be controlled with the switch is dangerous and
must be repaired.

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c) Disconnect the plug from the power source and/or remove the battery
pack, if detachable, from the power tool before making any adjustments,
changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of starting the power tool accidentally.
d) Store idle power tools out of the reach of children and do not allow persons
unfamiliar with the power tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of untrained users.
e) Maintain power tools and accessories. Check for misalignment or binding of
moving parts, breakage of parts and any other condition that may a󶈴ect the
power tool’s operation. If damaged, have the power tool repaired before use.
Many accidents are caused by poorly maintained power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting edges are less likely to
bind and are easier to control.
g) Use the power tool, accessories, and tool bits, etc. in accordance with
these instructions, taking into account the working conditions and the
work to be performed.
Use of the power tool for operations di󶈴erent from those intended could
result in a hazardous situation.
h) Keep handles and grasping surfaces dry, clean, and free from oil and grease.
Slippery handles and grasping surfaces do not allow for safe handling and
control of the tool in unexpected situations.
5) Battery Tool Use and Care
a) Recharge only with the charger speci󶈵ed by the manufacturer.
A charger that is suitable for one type battery pack may create a risk of 󶈵re
when used with another battery pack.
b) Use power tools only with speci󶈵cally designated battery packs.
Use of any other battery packs may create a risk of injury and 󶈵re.
c) When battery pack is not in use, keep it away from other metal objects,
like paper clips, coins, keys, nails, screws, or other small metal objects,
that can make a connection from one terminal to another.
Shorting the battery terminals together may cause burns or a 󶈵re.
d) Under abusive conditions, liquid may be ejected from the battery;
avoid contact. If contact accidentally occurs, 󶈶ush with water. If liquid
contacts eyes, seek medical help immediately.
Liquid ejected from the battery may cause irritation or burns.
e) Do not use a battery pack or tool that is damaged or modi󶈵ed.
Damaged or modi󶈵ed batteries may exhibit unpredictable behaviour resulting
in 󶈵re, explosion, or risk of injury.
f) Do not expose a battery pack or tool to 󶈵re or excessive temperature.
Exposure to 󶈵re or temperature above 266° F may cause explosion.

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g) Follow all charging instructions and do not charge the battery pack or
tool outside the temperature range speci󶈵ed in the instructions.
Charging improperly or at temperatures outside the speci󶈵ed range may
damage the battery and increase the risk of 󶈵re.
6) Service
a) Have your power tool serviced by a quali󶈵ed repair person using only
identical replacement parts.
This will ensure that the safety of the power tool is maintained.
b) Never service damaged battery packs.
Service of battery packs should only be performed by the manufacturer or
authorized service providers.
7) Basic Safety Rules
a) Use the correct tools.
Only use the tools and accessories listed in the operating instructions. Do not
use electric tools for purposes or work they are not intended for.
b) Secure the workpiece.
Use clamping devices or a vice to hold the workpiece. It is held more securely
than it would be by hand and both your hands are free to operate the tool.
c) Leave protective equipment in place.
d) Hand-held devices must not to be used as stationary equipment.
e) Do not hold the device in the compression area.
f) Do not hold any body parts or foreign objects between the press jaws
when activating the pressing cycle. Do not hold the jaw lever during the
pressing cycle. Danger of crushing!
There is a danger of crushing the 󶈵ngers and hands.
g) Observe the safety instructions for the use of cleaning and corrosion
protection agents.
h) Ensure that the workpiece is not under tension.
2.2 Areas of Use
The Viega Pressgun 6 is used for pressing press 󶈵ttings onto the respective
piping systems. In combination with Viega system press jaws, chains, or rings,
the press tool is suitable for use with all Viega plumbing and heating installation
systems up to and including dimension of 4", as well as Megapress press 󶈵ttings
in dimensions of ⅜ to 2 inches.

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2.3 Product Description
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2.3.1 Overview
Scope of Delivery
■ Pressgun 6
■ Lithium ion rechargeable battery (18V / 2.5 Ah)
■ Battery charger
■ Viega tool case with case inlay
■ Instructions for Use
Pressgun 6
See image 1.
1 Fixing lug for carrying strap
2 Rotatable cylinder head with press jaw 󶈵xture
3 Retaining bolt
4 Retaining bolt lever
5 Status LED
6 Start button
7 Reset button
8 Battery compartment
9 Display
Lithium Ion Rechargeable Battery
See image 2.
Charger
See image 3.
1 Battery release mechanism
2 Button for checking the charge level
3 Charge level display
1 Battery compartment
2 Status LED
Gripping Surfaces on the Press Machine
See image 4.
▶ To prevent injury during the press, hold the press machine at the gripping
surface provided as shown.
Data on the Speci󶈵cation Plate
See image 5.
1 Manufacturer’s logo with address
2 Article number / serial number
3 QR code (see speci󶈵cation plate)
4 Voltage (V), current (A), nominal output (W), nominal force (kN)
5 Maximum three presses per minute (≤ 2")
6 IP Code
7 Year of construction
8 Type designation of the press machine

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2.3.2 Technical Data
Nominal output 324 W
Voltage 18V DC
Current 18A
Machine monitoring Electronic
Sound power level max. 81.2 db (A)(1
Sound pressure on the ear 70.2 db (A)(1
Oscillation level < 2.5 m/s2 (2
Power transmission Hydraulic
Shearing force at piston 7200 lbf. (32 kN)
Power-on time Maximum three pressings per minute (≤ 2")
Permissible operating temperature 14 ° F to 122 ° F
Weight without battery 7.7 lbs.
1) Measurement uncertainty: 3 db (A)
2) Measurement uncertainty: 1.5 m/s2
Wear hearing protection.
The speci󶈵ed oscillation emission value was measured in accordance with a
standardized test procedure and can be used to compare the machine with
another device. The speci󶈵ed oscillation emission value can also be used for an
initial assessment of the intermittent duty.
When the device is actually being used, the oscillation emission value may
di󶈴er from speci󶈵ed value, depending on the manner in which the device is
used. Depending on the actual conditions of use (intermittent duty), it may be
necessary to specify safety measures to protect the user.
2.3.3 Operating Mode
The Viega Pressgun 6 is an electro-hydraulically operated press machine. The
press machine is switched on by pressing the Start button once. To initiate a
press, the Start button must then be pressed and held down. The hydraulically
operated roller head moves forwards into the press jaw and closes it with a force
of 7200 lbs. (32 kN).
The Pressgun 6 is operated at a voltage of 18V DC.

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Automatic Forced Return
The press machine operates with positive control. This means:
■ The Start button must be pressed until a minimum force is reached. From this
point in time, the process initiates and completes the pressing until the entire press
stroke has been executed. The roller head then returns to its starting position.
■ Until such time as the minimum force is reached, the press machine roller
head remains in its current position if the start button is released brie󶈶y.
The pressing can be continued or interrupted, see “3.4 Interrupting the Press”
on page 18.
Automatic Standby Mode
If the press machine is not used for 150 seconds, it will automatically switch to
standby mode.
2.3.4 Control Elements and Displays on the Press Machine
Display
See image 6.
1 Temperature symbol*
2 Maintenance symbol*
3 Battery display
4 Number of press cycles
* The symbols are displayed if a malfunction occurs, see also “3.6
Troubleshooting” on page 19.
Status LED
The LED shows the current status of the press machine.
LED display Explanation
The LED illuminates continuously. The press machine is switched on.
The LED 󶈶ashes continuously. The battery needs charging.
The LED 󶈶ashes 2x and pauses.
The display repeats the sequence.
The press machine is outside the permissible
temperature range (14° F to 122° F).
The LED 󶈶ashes 3x and pauses.
The display repeats the sequence.
30,000 pressings are achieved or exceeded.
Maintenance is due.
The press machine is malfunctioning.

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Start Button
Press the Start button once to switch on the press machine. In normal operation,
the status LED illuminates green.
Reset Button
If a malfunction occurs and the press machine fails to complete the pressing
cycle, the roller head can be returned to its initial position by pressing the Reset
button, see “3.4 Interrupting the Press” on page 18.
Rotatable Cylinder Head
The press jaw 󶈵xture in the front part of the cylinder head is rotatable through 270°,
and thereby allows 󶈶exible alignment of the press jaws to the pressing point.
3Handling
3.1 Transport and Storage
DANGER!
Risk of crushing!
Danger of your 󶈵ngers and hands being crushed.
■ Store the press machine out of the reach of children and
unauthorized persons.

Damage and malfunctions to the press machine
caused by improper handling.
Use a transport case for storage and transport.
Observe the following instructions for transport and storage of the press machine:
■ Disconnect the press machine from its power supply (battery).
■ Store the press machine dry and frost-free in the case supplied.
Protect the press machine and its accessories from the following external in󶈶uences:
■ Shocks
■ Humidity and moisture
■ Dust and dirt
■ Frost and extreme heat
■ Chemical solutions and vapors

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3.2 Commissioning
CAUTION!
Risk of crushing from operating the press machine
without press jaw.
If no press jaw is inserted, your 󶈵ngers can become crushed in the
danger zone of the press machine.
■ Never use the press machine without the press jaw inserted.
■ Do not place your 󶈵ngers in the danger zone.
CAUTION!
Damage to device due to incomplete locking of the
retaining bolt.
If the retaining bolt is not fully inserted and locked, the cylinder may
tear during the pressing.
■ Make sure the retaining bolt is closed before initiating a pressing.
▶ Check the scope of delivery.
▶ See image 7. Insert the fully charged lithium ion rechargeable battery into the
mounting bracket on the handle.
Press the battery level check button to check the battery charge level.
The display disappears as soon as the button is released again.
▶ See image 8. Turn the retaining bolt lever of the retaining bolt by 180° to
release it from the lock position.
▶ Pull out the retaining bolt.
▶ See image 9. Insert the press jaw into the press jaw 󶈵xture of the cylinder head.
Push the retaining bolt back to secure the jaw once it is inserted.
The 󶈵gures show the typical use of a press jaw. Use the hinged actua-
tor jaws in the same way.

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3.3 Carrying Out the Press
CAUTION!
Risk of crushing due to improper operation.
■ Never start the press machine without the press jaw inserted.
Do not place your 󶈵ngers in the danger zone.
■ During the pressing, do not reach into the range of the advancing
and retracting roller head or press jaw.
Property damage caused by damaged press jaws.
Using a damaged, incorrectly dimensioned, or worn press jaw may
result in an incorrect pressing.
■ Before using the press jaw, check it for visible defects and replace if
necessary.
■ Use only suitably dimensioned press jaws that are compatible with
the press connector system.
The press jaw must be able to lock properly during the pressing.
■ Make sure there is adequate space at the pressing point.
■ Keep the press jaw contour and the area around the pressing point
free of dirt and objects that could prevent a complete pressing.
Requirements:
■ The press machine is ready for operation; the green LED illuminates.
■ A press jaw is correctly inserted.
▶ See image 10. Check whether the nominal width of the press connector
matches the nominal width of the press jaw.
▶ Fit the press machine with the press jaw in the correct position and square to
the pipe axis on the press connector.
▶ See image 11. Keep the Start button pressed until the automatic process starts.
▷ As soon as the press machine builds up pressing force, it initiates and
completes the pressing until the entire press stroke has been executed.
▶ See image 12. The pressing is complete once the roller head has fully
retracted. Open the press jaw and release it from the press connector.
If a malfunction occurs and the press machine fails to complete the
pressing cycle:
■ Press the Reset button to return the roller head to its initial position.
■ Then remove the incompletely pressed press connector from the
installation and use a new press connector.

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3.4 Interrupting the Press
A press can be interrupted in the following situations:
■ If the roller head has not yet touched the press jaw and the press machine has
still not built up any pressing force.
■ If a malfunction occurs and the press machine fails to complete the pressing cycle.
To Interrupt the Pressing:
▶ Release the Start button to interrupt the pressing.
▶ Press the Reset button to return the roller head to its initial position.
3.5 Battery and Charger
The battery charger is suitable only for use with compatible 18V lithium ion
rechargeable batteries. The battery charger can be operated with either
100–240V AC (household power connection) or 12V DC (e.g., in a car).
Storage
Store the battery outside of the press machine or the charger. If stored
for prolonged periods in either the fully discharged or charged state or at
temperatures > 140 °F, the battery output can be permanently reduced.
Charging the Battery
New batteries reach their full output after approximately ten charging
and discharging processes. It is not necessary to fully discharge
batteries before charging.
Never use both connection cables for the power connection at the
same time.
Requirements:
■ The charger is correctly connected to the mains power supply.
– The charger is in standby mode. The yellow LED is 󶈶ashing.
■ The charger has adequate ventilation.
■ The charger is located at least 4" away from walls and other objects.
■ The ambient temperature is not outside the speci󶈵ed limits of 0° F to 113° F.

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▶ Attach the battery to the charger with dry hands.
▷ The charger automatically starts the charging process. The battery warms
up slightly while charging. This is normal and does not indicate a problem.
▶ As soon as the green LED illuminates continuously, push in the two release
buttons on the side of the battery and remove it.
▶ The battery is fully charged.
▶ Pull the cable of the charger out of the socket.
When the battery is fully charged, the charger automatically switches to
trickle charge. There is no danger of the battery becoming overcharged.
3.6 Troubleshooting
In case of malfunction, check the following potential causes:
Malfunction Cause Remedy
The press machine is
not ready for operation
after the Start button is
pressed.
The battery is fully
discharged or faulty.
Use a fully charged battery.
The battery is not
correctly inserted.
Check it is correctly located
in the mounting bracket.
The press machine
switches o󶈴 during a
pressing and the LED
󶈶ashes.
The battery is almost
󶈶at.
Use a fully charged battery.
The LED 󶈶ashes 2x and
pauses, display repeats
the sequence.
The temperature symbol
in the display illuminates.
The press machine does
not carry out a pressing.
The press machine
is outside the
permissible
temperature range.
Set the press machine and
battery, located in well-
ventilated surroundings,
to the recommended
temperature range.
The LED 󶈶ashes 3x and
pauses, display repeats
the sequence.
The maintenance symbol
in the display illuminates.
The press machine is
functioning.
30,000 presses are
achieved or exceeded.
Maintenance is due.
The safety shutdown
occurs after a further 2,000
presses.
**

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Malfunction Cause Remedy
The LED 󶈶ashes 3x and
pauses, display repeats
the sequence.
The maintenance symbol
in the display illuminates.
The press machine does
not carry out a pressing.
32,000 presses have
been achieved.
The safety shutdown is
performed by the electronic
monitoring function.
**
The press connector is
incorrectly pressed.
The press jaw
dimension does not
match the press
connector.
Use a press jaw that
matches the press
connection dimension.
The press jaw was not
positioned square to
the pipe axis on the
press connector.
Repeat the pressing.
*
Make sure the press jaw is
positioned square.
The press contour is
incorrect.
Check the press jaw and
have repaired as required.
*
The press machine is
malfunctioning.
**
The press jaw cannot be
opened after a pressing.
The press was unable
to be completed.
Press the Reset button and
take the press jaw from the
press connector.
Check the press jaw and
have repaired as required.
*
Oil escapes from the
press machine.
A seal in the casing
is faulty or there is a
mechanical problem.
**
The motor runs, but the
press machine does not
complete the pressing.
The oil level is too low.
* Remove the incorrectly or incompletely pressed press connector from the
installation. Repeat the press with a new press connector.
** Send the press machine to your nearest service partner for inspection and
maintenance.