13
12
English
- Make sure the plate is free from grease and dirt in the place where the lifting clamp
will be fastened.
- Open the clamp by means of the lever.
- Position the jaw completely over the plate. Make sure that the clamp is positioned in
such a way that the load is balanced during the hoisting operation.
- Ensure that the lifting shackle is pointed towards the centre of the beam or construction.
- Close the clamp by turning the lever back fully.
- Smoothly slowly operate the lifting action in order to fully apply the lifting power.
Make sure the clamp is not slipping.
- If the load is slipping, follow the instructions in this lifting section once more.
- If load still slips, follow the next section, Section 6 – Maintenance.
- Ensure that the load is positioned stably before disconnecting the clamp.
6 MAINTENANCE
For optimum safety, make sure to carry out a complete inspection of the clamp at least
once a month.
Stop using the clamp if:
- It is torn or deformed, especially around the jaw corners;
- The lifting shackle and chain show visible signs of damage;
- The draw spring is stretched or broken;
- The pins show visible signs of damage;
- The retaining pins are missing;
- The side(s) of the housing is/are crushed in the place of the spacer pins.
- The clamping jaws are damaged or dirty.
If any of the above-mentioned faults are observed, refer to Section 7 and Section 8.
7
DISASSEMBLY/ASSEMBLY
In view of the complexity of the clamp, it should only be assembled or disassembled by
Terrier Lifting Clamps BV or by a recognised mechanical repair and service centre. See
also Section 8.
8
OVERHAUL
At least once a year, or if occasioned by damage to the clamp, the TNMK safety lifting
clamp should be inspected, tested and, if necessary, overhauled by Terrier Lifting
Clamps BV or a recognised mechanical repair and service centre.
9
DISPOSAL
Once the TNMK safety lifting clamp has reached the end of its useful life, it can be trea-
ted as scrap iron, provided that the clamp is rendered unfit for use.
10 TROUBLESHOOTING CHECKLIST
Failure/malfunction
Possible Cause
Action
Load slipping
Load dirty
Lifting shackle and
chain deformed
Jaw is open and bent
Clean load
Do not use clamp
Do not use clamp
Housing is deformed
Clamp is overloaded
Do not use clamp
Lifting shackle oval
Clamp is overloaded
Do not use clamp
Spring defective
Spring worn out
Have clamp serviced
Pins are bent or worn
Clamp is overloaded
Do not use clamp
Retainingpins are missing
Incorrectly assembly
Mount new retaining pins
Difficult to open/close clamp Clamp is worn
Clamp contaminated
Do not use clamp
Clean clamp
11 WARRANTY
Terrier Lifting Clamps provides a 5 year warranty on its lifting clamps. This warranty
is applicable to the original end user of the lifting clamps. Only if the clamp has been
inspected, checked and maintained by this instructions and by an official dealer. This
warranty period of 5 years is valid from the day of purchase, and is liable to all conditions
and measurements stated in this document.
11a CONDITIONS
This warranty only covers failures in the lifting tools which is the consequence of
production errors which occur during normal use. The warranty covers no wear to
components such as pivots, cam assemblies, lock springs etc. Should there be any kind
of failure within this guarantee period, the lifting tool will be replaced or repaired to
insight of the producer.
No warranty is given to clamps due to the following failures:
- Regular wear.
- Overload.
- Wrong and/or carelessly use.
- Damages.
- Not following procedures and measures.
- Hoisting differing material other then indicated on clamp or stated in the user-manual.
- Adapting and/or modifying of the Terrier clamp.
- The injudicious use of the clamp, and not succeeding all indications which are stated
in the users manual.
- When maintenance and/or revision has not been carried out by an authorised Terrier
distributor.
The producer is not responsible for incidental damage or damage due to use of the
lifting tools as well as from violation of this manual.
