Maeda MC-174CRM User manual

101E-OM0906-00
OPERATION MANUAL
MINI-CRAWLER CRANE
Serial No. G0121and up
kWARNING
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
personnelwho willcome intocontact with it.
NOTICE
MAEDAhas Operation Manualwritten insome other languages. If a foreign
languagemanualisnecessary,contactyourlocaldistributorfor availability.

0-1
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 DEFINITION OF TERMS
1- 7
5.2 DIAGRAM OF WORKING RADIUS AND LIFTING HEIGHT
1- 8
5.3 TOTAL RATED LOAD CHART
1- 9
5.4 ANGLE INDICATOR
1-14
SAFETY
2- 1
1. BASIC PRECAUTIONS
2- 2
2. DRIVING RELATED PRECAUTIONS
2- 7
2.1 BEFORE STARTING THE ENGINE
2- 7
2.2 AFTER STARTING THE ENGINE
2- 8
2.3 WORKING WITH THE CRANE
2-12
3. TRANSPORT PRECAUTIONS
2-21
4. BATTERY HANDLING PRECAUTIONS
2-23
5. MAINTENANCE PRECAUTIONS
2-25
5.1 PRECAUTIONS BEFORE MAINTENANCE
2-25
5.2 PRECAUTIONS DURING MAINTENANCE
2-27
6. SAFETY LABEL LOCATIONS
2-32
7. WEEE DIRECTIVE LABEL LOCATIONS
2-39
OPERATION
3- 1
1. MACHINE BY SECTION
3- 2
1.1 MACHINE BY UNIT
3- 2
1.2 TRAVELLING OPERATION UNIT
3- 3
1.2.1 DESCRIPTION OF EACH LEVER
3- 4
1.2.2 DESCRIPTION OF EACH SWITCH
3- 6
1.2.3 DESCRIPTION OF EACH METER AND LAMP
3- 8
1.3 CRANE OPERATION UNITS
3- 9
1.3.1 DESCRIPTION OF EACH LEVER
3-10
1.3.2 DESCRIPTION OF EACH SWITCH
3-11
1.4 MOMENT LIMITER (OVERLOAD DETECTOR)
3-16
1.4.1 MOMENT LIMITER CONFIGURATION
3-16
1.4.2 FUNCTION OF MOMENT LIMITER
3-17
1.4.3 MOMENT LIMITER OPERATIONS
3-18

0-2
ITEM
Page
1.4.4 NAMES OF MOMENT LIMITER DISPLAY UNIT
3-20
1.4.5 OTHER MOMENT LIMITER FUNCTIONS
3-29
1.4.6 MOMENT LIMITER STARTING STATUS
3-30
1.4.7 MOMENT LIMITER ERROR CAUSES AND ACTIONS TO BE TAKEN
3-31
1.5 OVER HOIST DETECTOR
3-32
1.6 MACHINERY COVER
3-33
2. OPERATIONS
3-34
2.1 CHECKS BEFORE OPERATION
3-34
2.1.1 CHECKS BEFORE STARTING THE ENGINE (VISIBLE CHECKS)
3-34
2.1.2 CHECKS BEFORE STARTING THE ENGINE
3-37
2.1.3 CHECKS AFTER STARTING THE ENGINE
3-46
2.2 STARTING THE ENGINE
3-54
2.2.1 NORMAL ENGINE START
3-54
2.2.2 STARTING THE ENGINE WITH AUXILIARY STARTER SWITCH
3-56
2.2.3 STARTING THE ENGINE WITH RECOIL STARTER
3-58
2.3 OPERATIONS AND CHECKS AFTER STARTING THE ENGINE
3-59
2.4 BREAKING-IN MACHINE
3-61
2.5 MACHINE TRAVELLING POSITION
3-61
2.6 STARTING MOVING THE MACHINE
3-62
2.7 CHANGING MACHINE TRAVELLING MODE
3-63
2.8 CHANGING DIRECTION OF THE MACHINE
3-63
2.9 STOPPING/PARKING THE MACHINE
3-64
2.10 STOPPING THE ENGINE
3-65
2.11 INSPECTION AFTER STOPPING THE ENGINE
3-65
2.12 CAUTIONS WHILE DRIVING
3-66
2.13 OUTRIGGER SET UP OPERATION
3-68
2.13.1 NAME OF OUTRIGGER COMPONENTS
3-70
2.13.2 OUTRIGGER SET UP OPERATION
3-70
2.14 CAUTIONS BEFORE CRANE OPERATION
3-75
2.15 OPERATIONS BEFORE CRANE OPERATIONS
3-76
2.16 CRANE OPERATION POSITION
3-77
2.17 HOOK RAISING/LOWERING OPERATION
3-78
2.18 BOOM DERRICKING OPERATION
3-79
2.19 BOOM TELESCOPING OPERATION
3-80
2.20 SLEWING OPERATION
3-81
2.21 ACCELERATION OPERATION
3-82
2.22 CRANE STOWING OPERATION
3-83
2.23 OUTRIGGER STOWING OPERATION
3-85
2.24 DO’S AND DON’TS DURING CRANE OPERATIONS
3-91
3. HANDLING RUBBER TRACKS
3-93
3.1 GOOD USE
3-93
3.2 WARRANTY
3-93
3.3 PROHIBITIONS AND CAUTIONS WHEN USING RUBBER TRACKS
3-94
4. WHAT TO DO WITH TWISTED WINCH WIRE ROPE
3-97

0-3
ITEM
Page
5. TRANSPORTATION
3-98
5.1 LOADING/UNLOADING
3-98
5.2 HOISTING MACHINE
3-99
5.3 CAUTIONS IN LOADING MACHINE
3-100
5.4 CAUTIONS DURING TRANSPORTATION
3-100
6. HANDLING IN COLD WEATHER
3-101
6.1 PREPARING FOR LOW TEMPERATURE
3-101
7. LONG-TERM STORAGE
3-103
7.1 BEFORE STORING THE MACHINE
3-103
7.2 DURING STORAGE
3-103
7.3 AFTER STORAGE
3-103
8. HANDLING THE BATTERY
3-104
8.1 CAUTIONS IN HANDLING BATTERY
3-104
8.2 REMOVING/INSTALLING THE BATTERY
3-105
8.3 CAUTIONS WHEN CHARGING THE BATTERY
3-106
8.4 STARTING THE ENGINE WITH BOOSTER CABLE
3-107
9. TROUBLESHOOTING
3-109
9.1 ELECTRICAL COMPONENTS
3-109
9.2 MACHINE BODY
3-109
9.3 ENGINE
3-110
INSPECTION AND MAINTENANCE
4- 1
1. PRECAUTIONS FOR MAINTENANCE
4- 2
2. BASIC MAINTENANCE
4- 4
3. LEGAL INSPECTION
4- 6
4. CONSUMABLES
4- 6
5. LUBRICATING OIL
4- 7
5.1 USE OF LUBRICATING OIL ACCORDING TO TEMPERATURES
4- 7
6. ACCESSORY TOOLS AND STANDARD TIGHTENING TORQUE
4- 8
6.1 ACCESSORY TOOLS
4- 8
6.2 STANDARD TIGHTENING TORQUE LIST
4- 8
7. INSPECTION AND MAINTENANCE LIST
4-10
8. MAINTENANCE PROCEDURES
4-12
8.1 INITIAL 10 HOUR MAINTENANCE
4-12
8.2 INITIAL 25 HOUR MAINTENANCE
4-12
8.3 INITIAL 50 HOUR MAINTENANCE
4-12
8.4 INITIAL 200 HOUR MAINTENANCE
4-12
8.5 CHECKS BEFORE OPERATION
4-12
8.6 IRREGULAR MAINTENANCE
4-13
8.7 MAINTENANCE EVERY 50 HOURS
4-24
8.8 MAINTENANCE EVERY 100 HOURS
4-30
8.9 MAINTENANCE EVERY 250 HOURS
4-30
8.10 MAINTENANCE EVERY 500 HOURS
4-31
8.11 MAINTENANCE EVERY 1000 HOURS
4-33

0-4
ITEM
Page
SPECIFICATIONS
5- 1
1. SPECIFICATIONS
5- 2
2. OVERALL DIMENSIONS
5- 4
3. OUTRIGGER SPREAD DIMENSIONS
5- 5
4. RATED TOTAL LOAD CHART
5- 6
5. WORKING RANGE
5- 9
REMOTE CONTROL
6- 1
1. OUTLINE OF REMOTE CONTROLLER
6- 2
1.1 FEATURE
6- 2
1.2 CONFIGURATION
6- 2
1.3 FUNCTIONS OF REMOTE CONTROL SYSTEM
6- 3
2. SAFETY PRECAUTIONS
6- 4
2.1 FOR SAFETY OPERATIONS
6- 4
2.2 PRECAUTIONS FOR CRANE OPERATION
6- 6
2.2.1 PRIOR TO STARTING ENGINE
6- 6
2.2.2 SUBSEQUENT TO STARTING ENGINE
6- 7
2.2.3 TERMINATING THE OPERATION
6- 7
3. LOCATIONS OF SAFETY LABELS
6- 8
4. COMPONENTS OF THE TRANSMITTER
6-10
5. COMPONENTS OF THE RECEIVER
6-15
5.1 COMPONENTS OF THE RECEIVER
6-15
5.2 FUSE IN THE RECEIVER
6-17
6. MODE SETTING OF THE TRANSMITTER
6-18
6.1 A MODE
6-18
6.1.1 OPENING A MODE SCREEN
6-18
6.1.2 MESSAGES IN THE A MODE SCREEN
6-18
6.1.3 AN EXAMPLE FOR SETTING IN THE A MODE
6-22
6.2 PROCEDURE IN THE OPERATION MODE
6-23
6.2.1 CALL OUT CRANE MODE
6-23
6.2.2 CALL OUT OUTRIGGER MODE
6-24
7. CHECKING BEFORE OPERATION
6-26
7.1 CHECKING BEFORE STARTING ENGINE
6-26
7.1.1 CHECKING BEFORE TURNING ON THE TRANSMITTER
6-26
7.1.2 CHECKING AFTER TURNING ON THE TRANSMITTER
6-27
7.1.3 CHECKING RECEIVER
6-31
7.2 CHECKING AFTER STARTING ENGINE
6-32
7.2.1 VERIFICATION FOR THE ENGINE START AND STOP
6-32
7.2.2 CHECKING “OUTRIGGER MODE”OPERATION
6-33
7.2.3 CHECKING “CRANE MODE”OPERATION
6-35
8. OPERATION
6-38
8.1 CAUTIONS BEFORE OPERATION
6-38
8.2 OPERATION IN OUTRIGGER MODE
6-39
8.2.1 OUTRIGGER SETTING
6-41
8.2.2 OUTRIGGER STOWING
6-43

0-5
ITEM
Page
8.3 OPERATION IN CRANE MODE
6-44
8.3.1 SLEWING OPERATION
6-46
8.3.2 BOOM TELESCOPING
6-46
8.3.3 HOOK RAISING AND LOWERING
6-47
8.3.4 BOOM DERRICKING
6-47
8.3.5 SET-UP AND CANCEL MICRO SPEED
6-48
8.3.6 ENGINE STOP AND EMERGENCY STOP PROCEDURE
6-50
8.3.7 ENGINE START AND RESET PROCEDURE
6-50
8.4 CHECKING AFTER CRANE OPERATION
6-51
9. TROUBLE SHOOTING
6-52
9.1 BEFORE TROUBLE SHOOTING
6-52
9.2 ERRORS IN THE REMOTE CONTROL DEVICES
6-53
10. SYSTEM SPECIFICATIONS
6-55

0-6

1-1
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

1-2
1. INTRODUCTION
Thank you for purchasing our Mini Crawler Crane “MC-174CRM”.
This manual is a guidebook for the safe and effective use of this machine.
This manual describesthe procedures for proper operation and maintenance of the machine.
Warnings and precautions defined in this manual must be observed for safety.
Accidents are caused when operation, inspection, or maintenance is not followed according
to these guidelines.
Be sure to read this manual and understand the procedures for machine operation,
inspection, and maintenance thoroughly before operating 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.
Save this manual at a designated place for reference when necessary. All personnel
who work on this machine are to carry out periodic reference.
•Only those who have a thorough understanding of the fundamental procedures
provided in this manual are qualified to perform machine operation.
•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.
•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 upon unremitting refinement of the machine, without notice.
Machine maintenance may be susceptible 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.