Maeda MK0003, Руководство по обслуживанию, Страница: 30 / 348

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7.4.2 HYDRAULIC MOTOR 2-65
7.4.3 HYDRAULIC VALVE (COUNTER-BALANCE VALVE) 2-66
7.4.4 PARKING BRAKE 2-67
7.5 PRECAUTIONS FOR USE 2-68
7.6 FAILURES AND COUNTERMEASURES 2-70
8. CRANE CONTROL VALVE 2-71
8.1 OUTSIDE DRAWING 2-71
8.2 OVERVIEW 2-72
8.3 HYDRAULIC CIRCUIT DIAGRAM 2-73
8.4 ACTIONS OF EACH SECTION 2-74
8.5 FAILURE CAUSE AND COUNTERMEASURE 2-81
9. OUTRIGGER SELECT VALVE 2-82
9.1 APPEARANCE AND SPECIFICATIONS 2-82
9.2 INTERNAL STRUCTURE 2-84
9.3 INSPECTION OF VALVES 2-85
9.4 METHODS FOR OPERATION ADJUSTMENT 2-86
9.5 OUTRIGGER CHANGE-OVER SWITCH 2-87
10. ROTARY JOINT 2-88
10.1 APPEARANCE AND SPECIFICATIONS 2-88
10.2 INTERNAL STRUCTURE 2-90
10.3 ROTARY BRUSH 2-91
11. HOOK 2-97
11.1 INSPECTION OF HOOK 2-97
12. BOOM 2-98
12.1 MAIN BOOM 2-98
12.2 JIB 2-101
12.3 JIB HEAD 2-103
13. TELESCOPIC AND DERRICK CYLINDERS 2-104
13.1 MAIN TELESCOPIC CYLINDER 2-104
13.2 JIB TELESCOPIC CYLINDER 2-106
13.2.1 JIB NO.1 TELESCOPIC CYLINDER 2-108
13.2.2 JIB NO.2 TELESCOPIC CYLINDER 2-110
13.3 JIB TELESCOPIC CYLINDER HYDRAULIC SCHEMATIC DIAGRAM 2-112
13.4 COUNTER BALANCE VALVE (FOR TELESCOPIC AND DERRICK CYLINDERS) 2-113
13.4.1 STRUCTURAL DRAWING 2-113
13.4.2 FAILURE CAUSE AND COUNTERMEASURE 2-113
13.4.3 WORKING DIAGRAM 2-114
13.5 SEQUENCE VALVE (FOR TELESCOPIC CYLINDER) 2-115
13.5.1 STRUCTURAL DRAWING 2-115
13.5.2 WORKING DIAGRAM 2-115
13.6 MECHANICAL CHECK VALVE (FOR TELESCOPIC CYLINDER) 2-116
13.7 MAIN DERRICK CYLINDER ASSEMBLY 2-117
13.7.1 MAIN LEFT-HAND DERRICK CYLINDER 2-119
13.7.2 MAIN RIGHT-HAND DERRICK CYLINDER 2-121
13.8 JIB DERRICK CYLINDER ASSEMBLY 2-123
13.8.1 JIB DERRICK CYLINDER 2-124
14. SLEWING DEVICE 2-126
14.1 OUTSIDE DRAWING 2-126
14.1.1 TOLERANCE OF LOOSENESS HEIGHT OF SLEWING BEARING 2-127
14.2 INTERNAL STRUCTURE AND SPECIFICATIONS OF REDUCTION GEARS 2-128
14.3 APPEARANCE AND SPECIFICATIONS OF HYDRAULIC MOTOR 2-129
14.4 INTERNAL STRUCTURE OF HYDRAULIC MOTOR 2-130
14.5 FAILURE CAUSE AND COUNTERMEASURE OF SLEWING DEVICE 2-131