Maeda MC174 Operator'S Manual Download Page 12

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6. Insert the position pin (4) through the hole of bracket (3), and 

secure it with the snap pin (5) to the tip of position pin (4). 

 

Always secure the position pin (4) with the snap pin (5).  If 
the snap pin falls out during operations, serious injury or 
damage to the machine may result. 

 

7. Attach the load securely to the hook (1) and start operations. 

 

Always work in accordance with all appropriate local 
regulations concerning your own and others’ safety.  

 

 

 

8. In case machine is automatically stopped in overload condition, 

boom can be lifted using the boom lift by-pass switch (6).

  

  To operate boom lifting using this boom lift bypass 

switch(6),keep pressing the switch to upper side and operate 

boom lift at 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 automatically when 
overloaded. 
Use this switch to enable the boom lift function for safety.
This switch is for emergency use only, never use this for 
normal lifting of loads clear of ground. 

 

NOTES

 

In case machine is automatically stopped by entering overload area 
by boom lowering or boom extending operation, recover from the 
overload area by retracting boom, or lifting boom by keeping the 
boom lift by-pass switch to ON side. 

 

NOTES

 

When working envelope is set, and operation automatically stops at 
the boom upper angle limit or hook height upper limit, boom can be 
lifted beyond the limit by using this boom lift bypass switch. 
The boom lift bypass switch is to be used only when in searcher 
hook mode. 

 

 

XAM29050  新規

 

 

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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