Columbus McKinnon Camlok LJ series User manual

Operating instructions
l
Non- arking plate
cla ps
LJ
WLL 500 - 1500kgs
Columbus McKinnon Corporation Limited
Knutsford Way,
Sealand Industrial Estate,
Chester
CH1 4NZ
United Kingdom
Tel: [phone]
Fax: [phone]
Email: [email protected]
Web: www.cmco.eu
Doc. No. 102 Issue No. 01 December 2015
GB

Model WLL Plate Weight
thickness
kgs mm kgs
LJ 500 25 - 500 0 - 10 3
LJ 1500 180 -1500 0 - 20 13
English
INTRODUCTION
Products of Columbus McKinnon Corporation Limited
have been built in accordance with the state-of-the-art
and generally accepted engineering standards.
Nonetheless, incorrect handling when using the
products may cause dangers to life and limb of the user
or third parties and/or damage to the hoist or other
property.
The operating company is responsible for the proper
and professional instruction of the operating personnel.
For this purpose, all operators must read these
operating instructions carefully prior to the initial
operation.
These operating instructions are intended to acquaint
the user with the product and enable him to use it to
the full extent of its intended capabilities. The operating
instructions contain important information on how to
operate the product in a safe, correct and economic
way. Acting in accordance with these instructions helps
to avoid dangers, reduce repair costs and downtimes
and to increase the reliability and lifetime of the
product. The operating instructions must always be
available at the place where the product is operated.
Apart from the operating instructions and the accident
prevention act valid for the respective country and area
where the product is used, the commonly accepted
regulations for safe and professional work must also
be adhered to.
The personnel responsible for operation, maintenance
or repair of the product must read, understand and
follow these operating instructions.
The indicated protective measures will only provide the
necessary safety, if the product is operated correctly
and installed and/or maintained according to the
instructions. The operating company is committed to
ensure safe and trouble-free operation of the product.
The Camlok LJ non-marking plate clamps are designed
for lifting, turning and transporting of structural steel
plates, stainless steel, iron, timber and aluminium with-
out marking, damaging or leaving indentations on the
surface. They can also be used for plates with ex-
tremely hard surfaces.
These clamps are available with two different types of
pads. There is the option of rubber or leather lined pads
dependant on the surface of the material.
TYPE AND QUALITY OF PLATE
The Camlok LJ series of plate clamps can be used on
all structural steel plates, stainless steel, iron and
aluminium. The plate must have sufficient surface
roughness for efficient grip. The plate must be flat and
parallel. The clamp may not be suitable for lifting
highly polished plates where the polishing process may
leave behind lubricating compounds. For other
materials or special operational conditions (high humidity,
salty, caustic, alkaline, cold or elevated temperatures)
consult your supplier or the manufacture before use.
For efficient grip, the weight of the plate MUST exceed
the value for minimum load stamped on the side of the
clamp.
FITTING
- Check that the plate is free from grease, standing
water, oil, scale and is not coated with paint or film.
- For long plates use 2 clamps and a lifting beam.
- The LJ clamp is not suitable for use with a 2 leg
chain sling.
- Take the weight of the clamp. Lifting sling must be
slack.
- Turn the locking lever clockwise to lock the aws open.
- Position the clamp on the edge of the plate over the
centre of gravity and to the full depth of the mouth.
- Take care not to damage the lifting surfaces.
- Place the fixed aw onto the plate and turn the lever
anticlockwise to the 'LOCK' position.
- Check correct fitting and position before lifting.
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TESTING
All Camlok lifting clamps are tested before sale to a
proof load of twice the working load limit. Any clamp
that has been repaired must be tested to this load
before re-entering service.
CARE AND MAINTENANCE
- DE-GREASE clamps regularly, take care not to
contaminate the aw surfaces.
- REMOVE all grit, dirt and mud on the aws by brushing
with a stiff brush.
- LUBRICATE all moving parts with a soft grease, take
care not to contaminate the aw surfaces.
- INSPECT every 1-4 weeks, depending on use.
- CHECK for contamination of the aw surfaces.
- CHECK integrity of the friction material bond and
tearing of the material.
- CHECK for wear in the cam faces, hookring and
chain.
- CHECK for distortion in the shell plates, aw bolt,
internal links and the spring.
- CHECK any welds for cracks.
- CHECK for smooth operation.
- CHECK fasteners for integrity and tightness
- DO NOT use solvents to clean the aw surfaces as
this may effect the bond between the surface material
and the metal of the aw. Contaminated aws MUST
be replaced with genuine Camlok spare parts.
Please consult your supplier.
All fasteners fitted to Camlok clamps are retained with
Loctite 270 Thread Locking compound DO NOT use
any other grade
For guidance contact the anufacturer or visit
www.ca lok.co.uk resource library.
LIFTING
- Check position and fitting of clamp as weight is applied.
- Lift slowly and smoothly at all times.
- When lifting from horizontal or lowering with the
moving aw on top of the plate the fixed pad may be
seen to tilt. This can be avoided by using the fixed
pad on top of the plate.
- Take extra care at the transition from horizontal to
vertical lifting.
- Lifting slings must be vertical at all times
- Minimise side loading.
- Take precautions to stop the load from swinging.
TRANSPORTING
- Take precautions when transporting loads that the
plate will not collide with any ob ects.
- Minimise load swing.
- Minimise the danger area by moving plates as close
to the ground as possible
RELEASE
- Place loads down gently. Fast lowering may release
the clamp.
- DO NOT lower if the locking lever is not in the 'LOCK'
position.
- The clamp can only be released when the entire load
is removed.
- The lifting sling must have sufficient slack to allow
the hookring to withdraw into the clamp.
- Push the hookring down and into the clamp shell
while turning the locking lever. Do not force or hit
the lever.
GENERAL
-
ALWAYS check the operation of your Camlok lifting
clamp before use.
- NEVER use a worn or damaged Camlok lifting clamp.
- NEVER lift more than one plate at a time.
- NEVER exceed the maximum working load limit.
- NEVER leave a suspended load unattended, or place
a plate down on edge for a long period of time.
- NEVER fast lower, always gently lift and lower.
- NEVER force the locking lever.
- NEVER stand under a suspended load and if guiding
a load by hand always place the palm of the hand on
top of the load.
- NEVER grip the load with fingers on the underside.
- ALWAYS stand clear when lifting or lowering.
- ALWAYS keep a record of inspections and repairs.
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LJ
GB
SPARE PARTS
No specialist tools are required to repair clamps. Heat
may be required to release the bonding compound on
some screws.
After repair use STUDLOCK on all screws removed.
Always quote clamp serial number, part description and
model when ordering spares.
Ite Description LJ-500 LJ-1500
10 Shell plates (pair) N4300008467 N4300002457
16 Spacer pins (set of 2) N4300001263 N4300001274
17 Shell screws (set of 4) N4300001264 N4300001275
20 Internal assembly inc. spring N59000269 N59000281
27 Spring only N59210362 N4300001073
30 Hook ring N4300001267 N4300008082
Hook ring pin N4300008464 N59000278
40 Cam assembly N4300001260 N4300001268
50 Pad assembly and screws (leather) N4300008466 N4300002454
50 Pad assembly and screws (rubber) N4300002482 N59000283
60 Jaw bolt assembly N59000268 N59000280