KNIPEX 71 72 Series Bedienungsanleitung
KNIPEX Quality – Made in Germany
EN Bolt Cutters
for hard materials up to 48 HRC
Operating instructions 71 72 XXX
2 Status: 04.11.21
CONTENTS
1 General 3
1.1 Notes on operating instructions 3
1.2 Symbols 3
1.3 Copyright 3
1.4 Guarantee and warranty 3
2 Safety 4
2.1 Intended use 4
3 Design and function 5
3.1 Design 5
3.2 Function 6
4 Operation 6
4.1 Cutting with the bolt cutter 6
5 Maintenance 7
5.1 Readjusting the cutting edges of the cutter head 7
5.2 Changing the cutter head 8
6 Technical data 9
6.1 Technical data 9
7 Dismantling and disposal 9
GENEral
3 Status: 04.11.21
1 General
1.1 Notes on operating instructions
These operating instructions are designed to enable you to use your tool
safely and efciently.
The tool may only be used if it is in technically perfect condition.
As a consequence of technical developments, the illustrations and descrip-
tions contained in these operating instructions may differ slightly from the
tool actually delivered.
We do not accept any liability for damage caused by failure to observe these
operating instructions.
1.2 Symbols
All safety instructions in these operating instructions are indicated by corre-
sponding symbols. The signal words at the beginning of each safety instruc-
tion express the extent of the hazard.
Danger!
Level 1 risk source
This combination of symbol and signal word indicates an imminently haz-
ardous situation that will result in death or serious injury if not avoided.
Warning!
Level 2 risk source
This combination of symbol and signal word indicates a possibly hazardous
situation that may result in death or serious injury if not avoided.
Caution!
Level 3 risk source
This combination of symbol and signal word stands for important informa-
tion that will assist in preventing damage to property or the environment.
1.3 Copyright
These operating instructions and all documentation supplied with this tool
are protected by copyright and remain the property of KNIPEX.
The reprinting of these instructions, even in extract form, is only permitted
with the written consent of C. Gustav Putsch KG.
1.4 Guarantee and warranty
The manufacturer grants a statutory warranty in accordance with the cur-
rent sales and delivery conditions. No further warranties or assurances are
granted.
Within the warranty period, the warranty covers the rectication of all de-
fects that can be traced back to material faults or manufacturing errors.
Wearing parts are excluded from the warranty.
The repair or replacement of a tool shall not result in an extension of the
warranty period. Tools shall only be repaired or replaced with “as new”
parts, whose function corresponds to that of the old parts. All defective and
hence replaced parts are the property of the manufacturer.
SafETy
4 Status: 04.11.21
Warranty claims shall expire in particular if:
• Damage is caused through improper operation, use for purposes other
than those specied by the manufacturer, or poor maintenance.
• Repairs or conversions are carried out by unauthorized persons.
• No original accessories or spare parts from KNIPEX are used.
• Defective components are not repaired immediately to minimise the
extent of the damage and so as not to impair the safety of the tool
(obligation to repair).
For the rest, reference is made to the liability and warranty regulations
of the current sales and delivery conditions.
2 Safety
2.1 Intended use
The tool is intended for the following uses:
• Cutting/snipping hard materials up to a hardness of 48 HRC
Any use beyond the intended purpose or any unauthorized modication
shall be considered improper. The operator shall be liable for damages re-
sulting from improper use.
Intended use also includes adhering to these operating instructions. They
must be read in full before use.
Warning!
Danger from sharp blades!
Handling sharp blades is dangerous. For this reason, make sure to handle
your tools with care when working.
Warning!
Wear protective gloves, goggles and a hard hat!
Wear protective equipment when cutting / snipping hard materials to avoid
the risk of injury from ying parts!
DESiGN aND fuNCTiON
5 Status: 04.11.21
3 Design and function
3.1 Design
5
4
6
7
3
2
3
1
Design bolt cutter
1 Hardened cutting edges
2 Replaceable cutter head
3 Eccentric screws with nuts for precise setting and readjustment
4 Joint screw
5 Stop with damping insert
6 Ergonomically angled handles
7 Handles with grip sleeves
OpEraTiON
6 Status: 04.11.21
3.2 Function
The bolt cutter is used to cut/snip hard materials with a diameter of 5 to
13 mm (depending on the hardness and type of material to be cut).
4 Operation
4.1 Cutting with the bolt cutter
2.
1.
Cutting e.g. structural steel
1. Insert the material to be cut between the cutting edges of the bolt
cutter, as close as possible to the joint.
2. Firmly press the two handles together.
In normal use with material that is not too soft / too hard, the preset gap
between the cutting edges does not have to be changed.
However, you can set a smaller gap for very soft material (e.g. copper bars)
or a larger gap for very hard material.
Note: Materials with a diameter of less than 2 mm cannot be cut.
MaiNTENaNCE
7 Status: 04.11.21
5 Maintenance
5.1 Readjusting the cutting edges of the cutter head
The cutting edges of the bolt cutter have a preset gap of approx. 0.4 mm.
This gap does not need to be readjusted during normal use.
If there is high level of wear, it is possible to readjust the gap.
1. Loosen the two outer nuts.
2. Push the eccentric screws up a little.
3. Adjust the gap by turning the two eccentric screws. You can choose
from 12 different positions.
Note: The cutting edges must not be completely closed, otherwise they
can break.
1.
3.
2.
0,4 mm
Adjusting the cutting edges of the cutter head
4. Push the eccentric screws back down.
5. Tighten the nuts again.
6. Secure the nuts with a gentle tap with a
centre punch or with screw locking.
MaiNTENaNCE
8 Status: 04.11.21
5.2 Changing the cutter head
The spare part numbers for the four different sizes can be found in the
“Technical data” chapter.
1. Loosen the three nuts completely.
2. Remove the three screws.
3. Pull the old cutter head out of its holder.
4. Pull the handles apart.
5. Clean and lightly oil all joints.
1.
2.
3.
4.
5.
Replacing the cutter head
6. Reattach the handles to the joint screw and tighten the nut slightly.
7. Push the new cutter head into the holder.
8. Fasten it with the two eccentric screws and nuts.
9. Secure the nuts with a gentle tap with a centre punch or with screw
locking.
TEChNiCal DaTa
9 Status: 04.11.21
6 Technical data
6.1 Technical data
The KNIPEX bolt cutters of the 71 72 xxx series come in four different sizes.
Technical data Unit 71 72
460
71 72
610
71 72
760
71 72
910
Length mm 460 610 760 910
Weight approx. g2100 2550 4250 4950
Cutting capacities
for HRC 19
Ø mm 8 9 11 13
Cutting capacities
for HRC 40
Ø mm 6 8 9 10
Cutting capacities
for HRC 48
Ø mm 5 7 8 9
Article number spare
cutter head (with
screws)
–71 79 460 71 79 610 71 79 760 71 79 910
7 Dismantling and disposal
Ensure that the dismantled parts of the tool are properly recycled.
KNIPEX-Werk
C. Gustav Putsch KG
42337 Wuppertal
Tel.: +49 202 – 47 94-0
Fax: +49 202 – 47 74 94
www.knipex.com
Dieses Handbuch passt für folgende Modelle
4
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