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1. Warning Symbols 

1. Safety

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Most accidents are caused by negligence of basic safety rules and precautions.

Avoiding possible cause is important for accident prevention. Be sure to read this manual carefully

for full understanding of safety precautions and appropriate service/inspection procedures before

starting actual repair or service jobs. Repair or service jobs without sufficient knowledge may lead to

unexpected accidents.

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It is not possible to cover all possible accidents in repair or service in the manual.

It is, therefore, necessary to pay sufficient attention to safety in various jobs not indicated with the

following warning symbols. Especially for the safety in conducting various jobs not covered herein,

receive instructions from a knowledgeable leader.

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The warning symbols used in this manual and their meanings are as follows:

DANGER- Indicates an imminently hazardous job which, if not

conducted correctly, will result in death or serious injury.

CAUTION- Indicates a potentially hazardous job which, if not

conducted correctly, may result in minor or moderate injury.

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The notice sign used in this manual and its meaning are as follows: 

NOTICE- Indicates an important point in service operation

which, if not observed, the product performance and quality

may not be guaranteed.

1-1.  Warning Symbols

[NOTICE]

Summary of Contents for LIGHT BOY LB446H

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Page 3: ...el LB446HB LB446H Please use this manual for correct quick safe servicing of the floodlight projector Please be advised that the contents of this manual may be different from actual floodlight projector because of any later modification of parts or specifications for improving the quality ...

Page 4: ...ht Projector 2 3 3 Structure of Floodlight Projector 3 2 3 1 Outline of Structure 3 2 3 2 Electrical Group 3 2 3 2 1 Balloon Unit 3 3 1 Balloon assembly 3 3 2 Stand assembly 3 4 3 2 2 Lamp Stand Unit 3 5 1 Lighting unit assembly 3 5 2 Lamp stand assembly 3 5 3 2 3 Power Cable Unit 3 6 3 3 Mast Group 3 7 3 4 Outrigger group 3 8 3 5 1 Base Plate Unit 3 9 3 5 Base Plate Group 3 9 3 5 2 Steering Unit ...

Page 5: ...ger Group 4 11 4 2 12 Disassembly of Balloon Assembly 4 12 4 2 13 Disassembly of Stand Assembly 4 14 4 2 14 Disassembly of Lighting Unit Assembly 4 14 4 2 15 Disassembly of Lamp Stand Assembly 4 15 4 2 16 Disassembly of Power Cable Unit 4 15 4 2 17 Disassembly of Mast Group 4 16 4 2 18 Disassembly of Outrigger Group 4 17 4 2 19 Disassembly of Base Plate Unit 4 18 4 2 20 Disassembly of Steering Uni...

Page 6: ...eriodic Inspection Items 6 2 6 1 Inspection Items and Intervals 6 2 7 Circuit 7 2 7 1 Electrical Circuit 7 2 7 1 1 How to Read Electrical Circuit Diagram 7 2 7 1 2 Electrical Circuit Diagram 7 2 8 Tools Instruments and Other Materials for Inspection and Maintenance 8 2 8 1 Machines Tools and Instruments 8 2 8 1 1 General Tools 8 2 8 1 2 Special Tool 8 3 8 1 3 Measuring Instrument 8 3 8 1 4 Materia...

Page 7: ...1 1 Safety ...

Page 8: ...ficient attention to safety in various jobs not indicated with the following warning symbols Especially for the safety in conducting various jobs not covered herein receive instructions from a knowledgeable leader zThe warning symbols used in this manual and their meanings are as follows DANGER Indicates an imminently hazardous job which if not conducted correctly will result in death or serious i...

Page 9: ...e shall be free from dust dirt or oil without any flammable substance or parts on it Non observance Unexpected accidents may arise Brightly and safely illuminated location zThe working area shall be illuminated in a safe manner with sufficient bright ness When operating in a dark place involving poor visibility use a safe portable flashlight The bulb shall be covered with wire cage Non observance ...

Page 10: ...ge to a machine or part may arise 1 2 4 Parts Always use genuine items Non observance Shortening of the machine life or unexpected accidents may arise 1 2 5 Bolt Tightening Torque Always tighten to torque specified in the manual if any Non observance Loosening or falling will arise to damage the machine or parts or cause inju ries 1 2 6 Product Handling Pay attention to hot parts zThe lamps balloo...

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