Maeda MC174 Operator'S Manual Download Page 3

 

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1. INTRODUCTION 

Thank you for purchasing the “Searcher Hook” for MAEDA Mini Crawler Crane model 
MC-174C. 
This manual is intended as a guide for the 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 the operation, inspection, or maintenance that does not 
observe the basic precautions. 
Be sure to read this manual and understand the procedures for machine operation, 
inspection, and maintenance thoroughly before performing 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. 
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 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 2. 

 

 
 
 
 

Summary of Contents for MC174

Page 1: ...OOK www hird co uk DISCLAIMER ALL INSTRUCTIONS ARE SUPPLIED FROM MANUFACTURER AND WHERE CORRECT AT TIME OF PRINT Northern Head Office Tel 44 0 1482 227333 Western Tel 44 0 1384 900388 Southern Tel 44...

Page 2: ...R DISPLAY UNIT 7 6 OPERATION 9 7 INSPECTION AND MAINTENANCE 11 7 1 LEGAL INSPECTION 11 7 2 CONSUMABLES 11 7 3 INSPECTION AND MAINTENANCE LIST 11 7 4 MAINTENANCE PROCEDURES 12 7 4 1 INSPECTION BEFORE O...

Page 3: ...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 thorough understanding o...

Page 4: ...st be observed for the sake of the machine and what will be of help CAUTION This denotes that failure to handle the machine properly may damage the machine or shorten its life NOTES This denotes helpf...

Page 5: ...3 3 Safety Decal Locations...

Page 6: ...4 102 4608500 101 4608700 101 3327300 101 4609300...

Page 7: ...5 4 Searcher Hook Each Section 6 1 Hook 2 E Boom 3 Bracket 4 Position pin 5 Snap pin 6 Hex head bolt 7 High tension washer 8 Hex head nut...

Page 8: ...6 6 9 Moment limiter Display unit 10 Boom lift bypass switch...

Page 9: ...per limit switch 13 Working radius display 14 Boom angle upper limit LED Red 15 Boom angle upper limit switch 16 Outrigger MIN extension LED Orange 17 Outrigger MID extension LED Orange Not in use MC...

Page 10: ...en the overload is near happening and thus may result in crane damage or the machine tripping over and may result in a serious accident Use this switch to change the number of wire falls Keep pressing...

Page 11: ...the wire falls selector switch on moment limiter display unit to Searcher hook mode all LED ON Fall mode must be set as Searcher hook mode when operating searcher hook Using searcher hook other than i...

Page 12: ...the same time After the work release the switch and it automatically turns off The boom lift bypass switch is to be used only when in searcher hook mode The boom lift function is stopped automaticall...

Page 13: ...roduce economical use of this machine Always replace to our genuine item Check parts catalog for correct part number for parts request CONSUMABLES LIST Part Replacement cycle Searcher hook fix bolt M1...

Page 14: ...eakage of bolt cause searcher hook to fall off Check if there is crack damage or squash on screw thread on screw part of bolt If crack damage or squash on screw thread is found change the bolt to new...

Page 15: ...he ON position 2 Check with the working status lamp The red of the lamp lights up for 2 seconds and then the green lights up 3 Check the moment limiter display unit Verify that no error codes are disp...

Page 16: ...Range and Rated Total Load When using the searcher hook be sure to set searcher hook mode for moment limiter Never use the searcher hook and the crane hook simultaneously 8 1 Working Range Diagram for...

Page 17: ...50 5 17 50 1 This Rated Total Load Chart shows maximum allowable capacities These rated total loads are based on the machine standing level on a firm ground supporting surface under ideal job conditio...

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