Maeda LC383M-5 User manual

541E-OM1010-00
OPERATION MANUAL
CRAWLER CRANE
Serial No. 11001 and up
Unsafe use of this machine may cause serious injury or death. Operators
must read this manual before operating this machine. This manual should
be kept near the machine for reference and periodically reviewed by all
personnel who will come into contact with it.
NOTICE
MAEDA has Operation Manual written in some other languages. If a foreign
language manual is necessary, contact your local distributor for availability.

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CONTENTS
ITEM Page
INTRODUCTION １－ １
1. INTRODUCTION 1－ ２
2.FOR SAFE USE OF MACHINE １－ ３
3. MACHINE OVERVIEW １－ ４
3.1 SPECIFIED OPERATIONS １－ ４
3.2 MACHINE CONFIGURATION １－ ４
3.3 MACHINE FUNCTIONS １－ ５
4. QUALIFICATION FOR OPERATION １－ ６
4.1 QUALIFICATION FOR CRANE OPERATION １－ ６
5. TERMINOLOGY １－ ７
5.1 DEFINITIONS OF TERMS １－ ７
5.2 DIAGRAM OF WORKING RADIUS AND LIFTING HEIGHT １－ ８
5.3 RATED TOTAL LOAD CHART １－ ９
6. NECESSARY INFORMATION FOR SERVICE １－１２
SAFETY ２－ １
1. BASIC PRECAUTIONS ２－ ２
1.1 PRECAUTIONS FOR BEFORE STARTING OPERATION ２－ ２
1.2 PREPARARATIONS OF SAFETY OPERATION ２－ ３
1.3 PRECAUTIONS FOR FIRE PREVENTION ２－ ５
1.4 PRECAUTIONS WHEN GETTING ON OR OFF ２－ ６
1.5 OTHER PRECAUTIONS ２－ ７
2. DRIVING RELATED PRECAUTIONS ２－ ８
2.1 PRECAUTIONS FOR JOBSITE ２－ ８
2.2 PRECAUTIONS WHEN ENGINE STARTING ２－１１
2.3 PRECAUTIONS WHEN STARTING TO MOVE MACHINE ２－１３
2.4 PRECAUTIONS WHEN WORKING WITH CRANE ２－１６
3. TRANSPORT PRECAUTIONS ２－２４
4. TOWING PRECAUTIONS ２－２５
5. MAINTENANCE PRECAUTIONS ２－２６
5.1 PRECAUTIONS BEFORE MAINTENANCE ２－２６
5.2 PRECAUTIONS DURING MAINTENANCE ２－２９
6. SAFETY LABEL LOCATIONS ２－３３
OPERATION ３－ １
1. MACHINE EACH SECTION ３－ ２
1.1 MACHINE EACH UNIT ３－ ２
1.2 OPERATOR’S COMPARTMENT EQUIPMENT ３－ ３
1.3 MOMENT LIMITER RELATED SWITCH BOX ３－ ４

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2. EXPLANATION OF DEVICES ３－ ５
2.1 MACHINE MONITOR ３－ ５
2.1.1 EMERGENCY STOP ITEMS ３－ ６
2.1.2 GAUGE AND METER ３－ ８
2.1.3 PILOT DISPLAY ３－１０
2.2 SWITCHES ３－１１
2.3 MOMENT LIMITER (OVERLOAD DETECTOR ) ３－１４
2.3.1 MOMENT LIMITER CONFIGURATION ３－１４
2.3.2 FUNCTION OF MOMENT LIMITER ３－１５
2.3.3 MOMENT LIMITER OPERATIONS ３－１７
2.3.4 NAMES OF MOMENT LIMITER DISPLAY UNIT ３－１９
2.3.5 MOMENT LIMITER FUNCTIONS ３－２８
2.3.6 MOMENT LIMITER STARTING STATUS ３－３０
2.3.7 MOMENT LIMITER WORKING ENVELOPE SETTING ３－３０
2.3.8 PICK & CARRY/STAITIONARY MODE SELECT SWITCH ３－３１
2.3.9 MOMENT LIMITER EMERGENCY STOP CANCEL SWITCH ３－３２
2.3.10 MOMENT LIMITER CAUSES OF ERRORS AND ACTIONS TO BE TAKEN ３－３３
2.4 OVER HOIST DETECTOR ３－３４
2.5 CONTROL LEVERS AND PEDALS ３－３５
2.6 COVERS WITH LOCK ３－４０
2.7 ENGINE HOOD ３－４１
2.8 FUSES ３－４３
2.9 FUSIBLE LINK ３－４４
2.10 OPERATION MANUAL STORAGE ３－４４
2.11 GREASE GUN HOLDER ３－４４
2.12 POWER SUPPLY FOR OPTIONS ３－４５
3. MACHINE OPERATIONS AND CONTROLS ３－４６
3.1 CHECKING/ADJUSTING BEFORE STARTING ENGINE ３－４６
3.1.1 VISIBLE CHECKS ３－４６
3.1.2 CHECKING BEFORE STARTING (CHECKING BEFORE OPERATION) ３－４９
3.1.3 OPERATIONS/CHECKING BEFORE STARTING ENGINE ３－５９
3.1.4 CHECKING AFTER STARTING ENGINE ３－６１
3.2 STARTING ENGINE ３－６４
3.2.1 NORMAL STARTING ENGINE ３－６４
3.2.2 STARTING ENGINE IN COLD WEATHER ３－６５
3.3 OPERATIONS AFTER STARTING ENGINE ３－６７
3.3.1 ENGINE WARM-UP OPERATION ３－６７
3.4 STOPPING ENGINE ３－６９
3.5 BREAKING-IN MACHINE ３－７０
3.6 MACHINE TRAVELING POSTURE ３－７１

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3.7 STARTING/MOVING/STOPPING MACHINE ３－７２
3.8 STEERING MACHINE ３－７６
3.9 SWINGING ３－７８
3.10 CAUTIONS BEFORE OPERATING THE CRANE ３－７9
3.11 OPERATIONS BEFORE OPERATING THE CRANE ３－８０
3.12 CRANE OPERATION POSTURE ３－８２
3.13 HOOK RAISING/LOWERING OPERATION ３－８３
3.13.1 NORMAL HOOK RAISING/LOWERING OPERATION ３－８３
3.13.2 HOOK RAISING OPERATION BY HOOK STOWAGE SWITCH ３－８４
3.14 BOOM DERRICKING OPERATION ３－８５
3.15 BOOM TELESCOPING OPERATION ３－８６
3.16 SWING OPERATION ３－８７
3.17 STOWAGE OPERATION OF CRANE ３－８８
3.17.1 CRANE OPERATION FOR TEMPORARY HOOK BLOCK STOWAGE ３－８８
3.17.2 CRANE OPERATION FOR REGULAR HOOK BLOCK STOWAGE ３－９１
3.18 DO’S AND DON’TS DURING OPERATION ３－９３
3.19 PICK AND CARRY OPERATION ３－９５
3.19.1 SAFETY PRECAUTIONS FOR PICK AND CARRY OPERATION ３－９５
3.19.2 POSTURE FOR PICK AND CARRY OPERATION ３－９６
3.19.3 OPERATIONS DURING PICK AND CARRY OPERATION ３－９７
3.19.4 RELEASING PICK AND CARRY OPERATION POSTURE ３－９７
3.20 OPERATION OF BLADE ３－９８
3.20.1 PRECAUTION OF BLADE OPERATION ３－９８
3.20.2 OPERATION OF BLADE ３－９９
3.20.3 WORKING WITH A BLADE ３－９９
3.21 PARKING MACHINE ３－１００
3.22 MACHINE INSPECTION AFTER DAILY WORK ３－１０１
3.22.1 BEFORE STOPPING ENGINE ３－１０１
3.22.2 AFTER STOPPING ENGINE ３－１０１
3.22.3 LOCKING ３－１０１
3.23 CAUTIONS IN TRAVELING ３－１０２
4. HANDLING WIRE CABLES ３－１０４
4.1 BENCHMARK FOR REPLACING WIRE CABLES ３－１０４
4.2 WINCH WIRE CABLE FALL MODE AND RATED TOTAL LOAD ３－１０６
4.3 WHAT TO DO WITH TWISTED WINCH WIRE CABLE ３－１０７
5. TRANSPORTATION ３－１１０
5.1 LOADING/UNLOADING ３－１１１
5.1.1 LOADING ３－１１２
5.1.2 SECURING MACHINE ３－１１４
5.1.3 UNLOADING ３－１１５

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5.2 LIFTING MACHINE ３－１１６
5.2.1 LIFTING THE MACHINE IN THE BOOM LOWERED POSTURE ３－１１６
5.2.2 LIFTING THE MACHINE IN THE BOOM RAISED POSTURE ３－１１８
6. HANDLING IN COLD WEATHER ３－１２０
6.1 PREPARING FOR LOW TEMPERATURE ３－１２０
7. LONG TERM STORAGE ３－１２３
7.1 BEFORE STORING IT MACHINE ３－１２３
7.2 DURING STORAGE ３－１２３
7.3 AFTER STORAGE ３－１２３
8. TROUBLES AND ACTIONS ３－１２４
8.1 RUNNING OUT FUEL ３－１２４
8.2 PHENOMENA THAT ARE NOT FAILURES ３－１２４
8.3 TOWING THE MACHINE ３－１２５
8.4 DISCHARGED BATTERY ３－１２５
8.4.1 CAUTIONS IN BATTERY HANDLING ３－１２５
8.4.2 BATTERY REMOVAL AND INSTALLATION ３－１２６
8.4.3 CAUTIONS IN BATTERY CHARGING ３－１２７
8.4.4 STARTING ENGINE WITH BOOSTER CABLE ３－１２８
8.4.5 STARTING ENGINE ３－１２９
8.5 OTHER TROUBLE ３－１３０
8.5.1 ELECTRICAL COMPONENTS ３－１３０
8.5.2 CHASSIS ３－１３０
8.5.3 ENGINE ３－１３１
8.5.4 MOMENT LIMITER ３－１３２
8.5.5 OVER HOIST DETECTOR ３－１３２
INSPECTION AND MAINTENANCE ４－ １
1. PRECAUTIONS REGARDING MAINTENANCE ４－ ２
2. BASIC MAINTENANCE ４－ ４
3. LEGAL INSPECTION ４－ ７
4. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS ４－ ８
5. CONSUMABLES ４－ ９
6. OTHER COMPONENTS ４－１０
7. USE OF FUEL, COOLANT AND LUBRICANT ４－１１
7.1 USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT
TEMPERATURES ４－１１
8. TIGHTENING TORQUE SPECIFICATIONS ４－１３
8.1 STANDARD TIGHTENING TORQUE LIST ４－１３
9. INSPECTION AND MAINTENANCE LIST ４－１４

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10. MAINTENANCE PROCEDURES ４－１６
10.1 INITIAL 500 HOUR MAINTENANCE ４－１６
10.2 CHECKING BEFORE OPERATION ４－１６
10.3 IRREGULAR MAINTENANCE ４－１７
10.4 MAINTENANCE EVERY 50 HOURS ４－３６
10.5 MAINTENANCE EVERY 100 HOURS ４－３８
10.6 MAINTENANCE EVERY 250 HOURS ４－３９
10.7 MAINTENANCE EVERY 500 HOURS ４－４１
10.8 MAINTENANCE EVERY 1000 HOURS ４－４６
10.9 MAINTENANCE EVERY 1500 HOURS ４－４８
10.10 MAINTENANCE EVERY 2000 HOURS ４－４９
SPECIFICATIONS ５－ １
1. SPECIFICATION LIST ５－ ２
2. SPECIFICATION DIMENSIONAL DRAWING ５－ ３
3. RATED TOTAL LOAD CHART ５－ ４
4. WORKING RADIUS AND LIFTING HEIGHT ５－ ７
SEARCHER HOOK ６－ １
1. SEARCHER HOOK EACH SECTION ６－ ２
2. MOMENT LIMITER DISPLAY UNIT ６－ ３
3. OPERATION ６－ ５
4. INSPECTION AND MAINTENANCE ６－ 8
4.1 LEGAL INSPECTION ６－ 8
4.2 CONSUMABLES ６－ 8
4.3 INSPECTION AND MAINTENANCE LIST ６－ 8
4.4 MAINTENANCE PROCEDURES ６－ 9
4.4.1 INSPECTION OF BEFORE OPERATION ６－ 9
5. WORKING RADIUS AND RATED TOTAL LOAD ６－１１
5.1 WORKING RADIUS AND LIFTING HEIGHT FOR SEARCHER HOOK ６－１１
5.2 RATED TOTAL LOAD CHART FOR SEARCHER HOOK ６－１２

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INTRODUCTION
1. INTRODUCTION 1- 2
2. FOR SAFE USE OF MACHINE 1- 3
3. MACHINE OVERVIEW 1- 4
4. QUALIFICATION FOR OPERATION 1- 6
5. TERMINOLOGY 1- 7
6. NECESSARY INFORMATION FOR SERVICE 1-12

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1. INTRODUCTION
Thank you for purchasing our Crawler Crane “LC383M-5”.
This manual is a guidebook for safe and effective use of this machine.
This manual describes the procedures for proper operation and maintenance of the machine.
Warnings and precautions defined in this manual shall be observed for safety.
Many of the accidents are caused by failure to observe the basic precautions for operation,
inspection and maintenance.
Be sure to read this manual and understand the procedures for machine operation,
inspection, and maintenance thoroughly before performing any operation of this machine.
Failure to observe the basic precautions defined in this manual may lead to hazardous
accidents.
Failure to use this machine properly can lead to serious personal injury or death.
Operators and maintenance personnel must always read this manual prior to
operation or maintenance of this machine.
Keep this manual at a designated place for reference when necessary. All
personnel who work with this machine are to carry out periodic reference to the
manual.
•Only those who have a thorough understanding of the fundamental procedures
provided in this manual are allowed to operate this machine.
•Keep this manual handy for reference when necessary.
•Should you lose or damage this manual, contact Maeda or our sales service
agency immediately for ordering a new manual.
•This manual should always accompany this machine upon transfer of the machine
to the next owner. However, when the machine is sold to a third party without any
prior advice to us, we are not liable for any warranty.
•This manual has adopted data that was available at the time of the creation of the
manual.
The contents of this manual, including maintenance specifications, tightening
torque, pressure, measuring method, adjustment value, and illustrations, are
subject to change without notice.
Machine maintenance may be subject to revisions. Always obtain the latest
information from Maeda or our sales service agency before performing
maintenance of this machine.
For safety instructions, see “2. For Safe Use of Machine” on page 1-3 and “Safety”
on page 2-1.
[Storage location for the Operation and Maintenance Manual]
Magazine pocket on the back of operator’s seat