Cooper Instruments LTL720-350K User Manual

LTL 720 Safety Manual

Safe Rigging, Loading and Operation

Including Suggested Inspection

And

Maintenance Procedures

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CONTENTS

FORWARD...................................................................................................................................1

SAFE OPERATING GUIDELINES...............................................................................................1

Operating suggestions.........................................................................................................................1

Handling hoist motion .......................................................................................................................... 1

RECOMMENDED INSPECTION PROCEDURES........................................................................3

Initial Inspection.................................................................................................................................... 3

Load Train Visual Inspection Suggestions.........................................................................................3

Important Safety Information...............................................................................................................4

Visual Inspection of Shackles .............................................................................................................4

Scale Hook Inspection.......................................................................................................................... 4

Field Inspection and Repair ................................................................................................................. 5

Recommended Preventive Maintenance ............................................................................................5

Initial Inspection ....................................................................................................................................5

Frequent and Periodic Inspection..........................................................................................................5

Operator Inspection ...............................................................................................................................5

Designated Person Inspection ...............................................................................................................5

Important Safety Information.................................................................................................................5

Magnetic Particle and/or Dye Penetrant Inspection and Surface Preparation................................6

WARRANTY REPAIR POLICY....................................................................................................6

Limited Warranty On Products ............................................................................................................ 6

Obtaining Service Under Warranty......................................................................................................6

Repair Warranty ....................................................................................................................................6

CF 34 ii LTL 720 Safety Manual

FORWARD

This manual has been prepared to provide information and suggestions for safe operation, rigging, inspection, and
maintenance of Crane Scales.

It is not intended that the suggestions in this manual take precedence over existing plant safety rules and
regulations, OSHA regulations, or instructions issued by the crane manufacturer. However, a thorough study of the
following information should provide a better understanding of operation and afford a greater margin of safety for
personnel and machinery.

It must be recognized that this is a manual of suggestions for the crane scale operator’s use. It is the responsibility
of the owner to make personnel aware of all federal, state and local rules and codes and to make certain that
operators are properly trained.

Guidelines

SAFE OPERATING GUIDELINES

Before operating a crane scale, the scale operator should carefully read and study the appropriate Operation
Manual supplied and note any special instructions.

Operating suggestions

1. Do not make lifts beyond rated load capacity of the crane scale, sling chains, rope slings, etc.

2. Do not operate the crane scale if ropes, slings, cables, chains, etc. show any sign of defects or excessive wear.

3. Before moving the load, make certain that load slings, load chains or other lifting devices are fully seated in the
saddle of the crane scale hook with hook latch closed.

4. At no time should a load be left suspended from the crane scale unless the operator is at the master switch or
push buttons with the power on; and under this condition keep the load as close to the floor as possible to
minimize the possibility of an injury, should the load drop. When the crane scale is holding a load, the crane
operator should remain at the master switch or push buttons.

5. When a hitcher is used, it should be the joint responsibility of the crane operator and the hitcher to see that
hitches are secure and that all loose material has been removed from the load before starting a lift.

6. Do not lift loads with ropes, slings, cables, chains, etc. hanging loose.

7. All ropes, slings, cables, chains, etc. should be removed from the crane scale when not in use. (A dangling
cable can inadvertently snag other objects when the crane is moving.)

8. Operators should not maneuver a loaded crane scale over personnel.

Handling hoist motion

After the crane scale hook has been positioned over the load, lower it until the load can be attached to the scale
hook. As the scale hook approaches this level, reduce the speed so that the lowering can be stopped smoothly and
quickly.
If load slings are used to handle the load, the slings should be fully seated in the saddle of the scale hook. With the
scale hook latch closed, the scale hook should be started upward slowly until all slack has been taken out of the
slings. Then ensure the load is properly balanced and the slings are properly positioned.

Ä WARNING!

• Loads may disengage from crane scale hook and shackle or lifting eye if proper procedures are not

followed.

• A falling load may cause serious injury or death.

• The crane scale hook must always support the load.

• The load must never be supported by the latch.

• Never lift more than the crane scale's assigned Working Load Limit (WLL) rating.

• Read and understand the instructions in this manual before using the crane scale.

Safe Loading and Rigging Guidelines During Loading Procedures

CF 34 1 LTL 720 Safety Manual