Cembre TND6-70 User manual

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MECHANICAL CRIMPING TOOL
TND6-70 TNH6-70
ENGLISH OPERATION AND MAINTENANCE MANUAL
20 M 135 E

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1. GENERAL CHARACTERISTICS
Application range:
TNH6-70
TND6-70
- Copper tube terminal lugs type HR.. for conductor sizes
6mm
2
to 70mm
2
- Copper tube splices type HSV.. for conductor sizes 6mm
2
to
70mm
2
- Copper tube terminal lugs according to DIN46235 (Cembre
type DR..) for sizes 6mm
2
to 70mm
2
- Copper tube splices according to DIN46267 Part 1 (Cembre
type DSV..) for sizes 6mm
2
to 70mm
2
Weight kg (lbs) 2,1 (4.6)
Dimensions: mm (inches)
length 515 (20.2)
width 132 (5.2)
2.1) Operator information:
- The instructions within this operation and maintenance manual should always be followed.
- The tool should only be used by competent personnel who are familiar with the instructions
contained within this manual.
2.2) Application:
Not to be used for any other purpose than for which the tools were designed
Do not use these crimping tools to crimp other type of lugs or connectors.
2. INSTRUCTIONS FOR USE
2.3) Die profile selection:
- Fully open the tool handles
- Press down the locking-pin of the indexable die plates.
- TNH6-70: Rotate the die profiles until the stamped cross section matches the cross section on
the cable lug/connector.
- TND6-70: Rotate the die profiles until the 'K' number matches the equivalent No. marked on
the palm of the terminal lug or the wall of the splice.
- Release the locking-pin until the die profile is fixed.
- Adjust the second die profile in the same manner as the first by following the above instruc-
tions. Both profile dies must have the same 'K' number.

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Incorrect choice of die profile will result in tool damage and/or affect the quality of the
crimped joint, leading to potential failure
2.4) Cable preparation:
- Cut the cable perpendicular to the central axis.
- Neatly strip the insulation over a distance equal to the barrel length allowing an additional
10%. Ensure all traces of the insulation are removed. Avoid damage to the outer layer of con
ductor strands.
- Clean the conductor carefully.
- Sector-shaped conductors must be pre-rounded
before crimping.
2.5) Crimping procedure:
Open the crimping tool handles and position the
connector at the lower part of the die profile (see
image). The terminal lug/splice axis should be per-
pendicular to the plane of the die profile
- Apply a small pressure to the handles to close the dies sufficient to trap the connector
- Fully insert the conductor into the connector barrel.
- Apply sufficient force to close the handles and cause the dies to compress the connector and
conductor until the die profiles become in contact.
- Apply the correct number of compressions as defined on page 4, in the direction defined in
the figure below.
- The crimping bite width is 5mm for these tools.
Arbeitsrichtung beim Verpressen
DIRECTION OF THE COMPRESSIONS
Connector

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3. MAINTENANCE
Copper
cross-section
mm2
TNH6-70
6 1x 1+1
10 1x 1+1
16 1x 1+1
25 2x 2+2
35 2x 2+2
50 2x 2+2
70 2x 2+2
Identification
Number
Copper
Cross-section
mm2
TND6-70
5 6 1x 1+1
6 10 1x 1+1
8 16 2x 2+2
10 25 2x 2+2
12 35 2x 2+2
14 50 3x 3+3
16 70 3x 3+3
2.6) Number of compressions required:
- The table below shows the number of compressions required per conductor size.
- If only one compression is required, please position the crimp at the midpoint of the connec-
tor barrel. If several compressions are required these should be spaced evenly.
- Remove dust, humidity and other impurities with a clean brush or a soft cotton-free cloth.
Never use any items which may damage the tool.
- Take care that the bolts, any moveable parts and the tool surface are coated with a thin film of
high quality oil.
- Ensure die profiles can be rotated freely prior to use
- Store the tool in a dry and clean area.

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3.1) Safety advice:
- Ensure hands are free of the crimping area at all times
- Ensure that the dies are completely closed to obtain a full compression
Never work with energised conductors. Ensure that voltage has been switched off before
starting work and check this with adequate instruments.
- Alteration of the tool is prohibited.
- Before operating the tool, check for any damage, the tool should not be used if damage is
visible
- The tool should be returned to the nearest Cembre service centre for any repairs required.
PROBLEM: CAUSE: SOLUTION:
Excess flash (wings) on
the crimped joint
- A smaller die profile than required has
been selected.
- Incorrect connectors have been used
- Other causes
- Adjust die profiles to match the
connector requirement
- Verify the connector type and size
is correct
- Return tool to Cembre for inspec-
tion and repair
The compression is of
insufficient depth and
the conductor can be
pulled from the joint
- The die profile is larger than required
- Incorrect connectors type have been
used
- Other causes
Die profile cannot be
changed - Locking bolt has snapped in - Press down locking bolt
Profile dies are difficult
to rotate
- Tool is soiled
- Tool is insufficient oiled
- Clean the tool
- Oil the bolts and screws
- Return tool to Cembre for inspec
tion and repair
Tool has no tension
when handles are fully
closed
- Tool is worn - Return the tool to Cembre for
inspection and repair
4. TROUBLESHOOTING

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5. PARTS LIST (Ref. to Fig. 1)
Code Item DESCRIPTION Qty
6950043 01 PROFILE DIE (TNH) 9996301 2
6950041 01 PROFILE DIE RIGHT (TND) 9018201 1
9018102 02 PLATE BAR 1 2
9018103 03 PLATE BAR 2 2
9018104 04 TOGGLE 1 1
9018105 05 TOGGLE 2 1
6950045 06 LOCKING BOLT 9018106 2
6950046 07 COMPRESSION SPRING, CONICAL 9018107 2
9018108 08 TUBE 1
9018109 09 BAR, WITH TOOL-NO. (TNH) 1
9018209 09 BAR, WITH TOOL-NO. (TND) 1
9018209L 10 BAR, WITH COMPANY LOGO 1
9018111 12 SPIRAL PIN 5X14 4
9018112 13 FILLISTER HEAD SCREW M 6X20, ZINC PLATED 1
9018113 14 FILLISTER HEAD SCREW M 6X25, ZINC PLATED 2
9018114 15 FILLISTER HEAD SCREW M 6X30, ZINC PLATED 2
9018115 16 NUT, SELF-LOCKING M6 4
9018116 17 WASHER 6,4, ZINC PLATED 8
9018117 18 GUIDE SLEEVE 1 1
9018118 19 GUIDE SLEEVE 2 2
9018119 20 GUIDE SLEEVE 3 2
9018120 21 DISTANCE SLEEVE 4
9018121 22 GRIP 2
6950044 23 CIRCLIP 12X1 9065207 4
6950042 24 PROFILE DIE LEFT (TND) 9018222 1
The guarantee is void if parts used are not Cembre original spares.
When ordering spare parts always specify the following:
- code number of item
- name of item
- type of tool

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4
16
21
2
10
9
15
20
7
23
1
22
11
8
5
13
18
14
19
17
12
6
24
1
3
FIG. 1

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This manual is the property of Cembre: any reproduction is forbidden without written permission.
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