
101E-SM1002-00
SERVICE MANUAL
MINI-CRAWLER CRANE
Serial No. G0121 and up
The parts numbers and lists written in this service manual are the
references for the services such as disassembling and assembling.
Be sure to ALWAYS refer to the latest parts catalog (the latest
information) before ordering any part, since the parts and the
model numbers are subject to change during the endless
improvements and changes of our Machine.
Summary of Contents for MC-174CRM
Page 2: ......
Page 8: ...1 2 1 SPECIFICATION DIMENSIONAL DRAWING...
Page 9: ...1 3 2 DIMENSIONAL DRAWING OF OUTRIGGER WIDTH...
Page 11: ...1 5 4 WORKING RADIUS AND LIFTING HEIGHT...
Page 16: ...1 10 7 POWER TRAIN DRAWING...
Page 18: ...2 2...
Page 19: ...2 3 1 HYDRAULIC CERCUIT DIAGRAM...
Page 20: ...2 4...
Page 21: ...2 5...
Page 22: ...2 6 2 HYDRAULIC OIL PIPING 2 1 CRANE ROTATE PORTION...
Page 24: ...2 8 2 2 CRANE FIXED PORTION...
Page 26: ...2 10 2 3 TRAVELLING LINE...
Page 28: ...2 12 2 4 OUTRIGGER LINE...
Page 30: ...2 14 2 5 PUMP TANK DRAIN AND PILOT LINE...
Page 33: ...2 17...
Page 34: ...2 18 3 HYDRAULIC OIL TANK...
Page 38: ...2 22 4 RETURN MANIFOLD BLOCK...
Page 40: ...2 24 5 2 ENGINE EXTERIOR VIEW...
Page 42: ...2 26 5 3 EACH SECTION NAME...
Page 55: ...2 39 8 2 INNER PARTS...
Page 56: ...2 40 8 3 BASICS OF FUNCTIONALITY...
Page 64: ...2 48 9 2 INNER PARTS...
Page 80: ...2 64 12 ROTARY JOINT 12 1 EXTERIOR VIEW AND SPECIFICATIONS...
Page 82: ...2 66 12 2 INNER PARTS...
Page 84: ...2 68 13 HOOK BLOCK...
Page 87: ...2 71...
Page 88: ...2 72 14 BOOM SYSTEM...
Page 91: ...2 75...
Page 92: ...2 76 15 TELESCOPING AND DERRICKING CYLINDER 15 1 TELESCOPING CYLINDER...
Page 95: ...2 79 15 2 TELESCOPING CYLINDER HYDRAULIC CIRCUIT SYSTEM...
Page 97: ...2 81 15 3 2 FUNCTION 1 When Neutral 2 When Extending 3 When Retracting...
Page 100: ...2 84 15 6 LEFT SIDE DERRICKING CYLINDER...
Page 102: ...2 86 15 7 RIGHT SIDE DERRICKING CYLINDER...
Page 104: ...2 88 16 WINCH SYSTEM 16 1 EXTERIOR VIEW OF WINCH UNIT...
Page 106: ...2 90 16 2 MECHANICAL BRAKE INNER PAERTS AND SPECIFICATIONS...
Page 109: ...2 93...
Page 110: ...2 94 17 SLEWING SYSTEM 17 1 EXTERIOR VIEW...
Page 114: ...2 98 18 OUTRIGGER SYSTEM 18 1 EXTERIOR VIEW OF No 1 OUTRIGGER...
Page 116: ...2 100 18 2 EXTERIOR VIEW OF No 2 OUTRIGGER...
Page 118: ...2 102 18 3 EXTERIOR VIEW OF No 3 OUTRIGGER...
Page 120: ...2 104 18 4 EXTERIOR VIEW OF No 4 OUTRIGGER...
Page 122: ...2 106 19 OUTRIGGER CYLINDER 19 1 EXTERIOR VIEW AND SPECIFICATIONS...
Page 124: ...2 108 19 2 INNER PARTS...
Page 127: ...2 111...
Page 128: ...2 112 20 ASSEMBLY AND DISASSEMBLY OF BOOM...
Page 134: ...2 118...
Page 136: ...2 120 22 ELECTRIC SYSTEM DRAWING...
Page 138: ...2 122...
Page 140: ...3 2 1 MOMENT LIMITER PARTS 1 1 DISPLAY UNIT AND CONVERTER...
Page 142: ...3 4 1 2 OUTRIGGER POSITION DETECTOR...
Page 144: ...3 6 1 3 OUTRIGGER OPENING DETECTOR...
Page 146: ...3 8 1 4 OUTRIGGER EXTENDING DETECTOR...
Page 148: ...3 10 1 5 BOOM STATE DETECTOR...
Page 150: ...3 12 1 5 1 ANGLE SENSOR...
Page 152: ...3 14 1 5 2 LENGTH SENSOR...
Page 156: ...3 18 1 7 MOMENT LIMITER ACCESSORY...
Page 158: ...3 20 1 8 OVER UN WINDING DETECTOR...
Page 160: ...3 22 1 9 OVER HOISTING STOP SYSTEM...
Page 164: ...3 26 3 EXTERNAL VIEW OF MOMENT LIMITER 3 1 DISPLAY UNIT...
Page 165: ...3 27 3 2 CONVERTER...
Page 166: ...3 28 4 SYSTEM DIAGRAM...
Page 167: ...3 29 5 CONNECTOR DIAGRAM...
Page 172: ...3 34 8 DISPLAYS...
Page 197: ...3 59...
Page 199: ...4 1 REMOTE CONTROL 1 INITIAL MODE SETTING PROCEDURE 4 2 2 RECEIVER 4 16 3 TROUBLESHOOTING 4 23...
Page 213: ...4 15...
Page 216: ...4 18 2 2 CONTROL PRINT CARD LACATIONS 2 2 1 MAIN PRINT CARD...
Page 222: ...4 24...
Page 223: ......