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LC1385M-8B
Maeda LC1385M-8B Service Manual
431 pages
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584E-SM1110-01 1/2
2
Table of Contents
Table of Contents
2
ITEM Page
3
General
10
Specification Dimensionnal Drawing
10
Principle Specification List
12
Each Unit Weight List
13
Fuel, Coolant and Lubrications Table
14
Working Radius Lifting Height
15
Rated Total Load Chart
16
Fly-Jib Working Radius and Lifting Height (Optional)
19
Fly-Jib Total Rated Load Chart (Optional)
19
Fly-Jib Rated Total Load Chart (Optional)
19
Structur, Function & Maintenance Standard
20
Engine Specifications
21
Engine Mounting
22
Pto (Power Take Off)
23
Cooling System
25
Power Train
27
Power Train Drawing
27
Swing Circle
28
Swing Machinery
29
Undercarriage and Frame
31
Track Frame
31
Idler Cushion
32
Idler
33
Track Roller
34
Carrier Roller
35
Sprocket
36
Track Shoe
37
Hydraulic Cercuit Diagram
42
Hydraulic System
45
Hydraulic Equipment Layout Drawing
45
Hydraulic Tank and Filter
47
Hydraulic Oil Pump
49
Ls Valve
55
Pc Valve
60
Pc-Epc Valve
70
Check Valve
73
Shuttle Valve
74
Control Valve
75
Clss
87
Outline of Clss
87
Functions and Operation by Valve
91
Hydraulic Circuit Diagram and the Name of Valves
91
Unload Valve
93
Merge-Divider Valve
99
Introduction of Ls Pressure
101
Ls Bypass Valve
103
Pressure Compensation Valve
105
Area Ratio of Pressure Compensation Valve
107
Swing Bleeding Valve
108
Self Pressure Reducing Valve
110
Ppcvalve
111
Work Equipment and Swing Ppc Valve
111
Blade Ppc Valve
121
5-Section Solenoid Valve
126
Winch Brake Release Valve
127
Ppc Accumulator
129
LOW PRESSURE SELECTOR VALVE (for over Hoisting Release)
130
Telescoping Cylinder
131
Telescoping Assembly
131
Telescoping Cylinder
133
Derricking Cylinder
139
Winch Motor
142
Inner Structure Drawing
143
Counter Balance Valve
144
Hydraulic Oil Motor
146
Reduction Gear
149
Swing Motor
150
Swing Holding Brake
153
Relief Valve Portion
154
Reverse Prevention Valve
155
Center Swivel Joint
159
Brake Valve
166
Relief Valve
168
Blade Cylinder
169
Boom Assembly
171
Boom Telescoping System
175
Fly-Jib (Optional)
177
ELECTRIC CIRCUIT DIAGRAM (1/6 to 6/6)
180
Air Conditioner
187
Air Conditioner Piping Diagram
187
Air Conditioner Unit
191
Air Conditioner Controller
194
Compressor
195
Condennser
196
Sensor
197
Electrical System
199
Electrical Control System
199
Electrical Control Function
201
Pump and Engine Mutual Control Function
203
Auto-Decelerator Function
208
Engine Automatic Warm-Up Function
210
Overheat Prevention Function
212
Overheat Prevention Function
213
Swing Control Function
214
Travel Control Function
217
Ppc Lock Function
220
System Components
221
Monitor System
230
Machine Monitor
231
Display
233
Switches
237
Operation Mode Function
241
Komtrax System
244
Komtrax Terminal
245
Sensor
246
Crane Operating Data Logger
252
Crane Operating Data Logger Exterior View
253
Moment Limiter
257
Moment Limiter Related
257
Display Unit
257
Length, Angle and Pressure Sensor
260
Boom Derricking Position Detector
266
Blade Grounding Detector
267
Fly-Jib Position Detector
269
Over Hoist Stop System
272
Over Hoist Stop System (for Single Hook)
274
Over Hoist Stop System (for Fly-Jib)
275
Over Un-Winding Detector
276
Moment Limiter Overview and Features
277
Overview
277
Specifications
277
External View of Moment Limiter
278
Display Unit
278
Connector Pin Assignment
281
Displays
283
Switches
285
Display Unit; Detail of each Segment
287
Start up Sequence
288
Moment Limiter Functions
288
Display of Specific Indicators
289
Calibration Procedure
290
List of Items
290
Procedure
291
Call out of Calibration Mode
292
Calibration of Boom Length
294
Calibration of Boom Angle
296
Display Details at Calibration Mode
301
Function Mode
302
List of Items
302
Selection of Function
303
Confirmation of Rom Version
306
Proportional Control Output Test for Boom Lowering Solenoid Valve
307
Confirmation of Contact State
308
Confirmation of Control Output
309
Confirmation of Voice Output
310
Calibration and Initialization of each Working Range Limitation Value
311
Standard Value Table
314
Standard Value Table for Engine Related Parts
315
Standard Value Table for Chassis Related Parts
316
Testing and Adjusting
322
Tools for Testing, Adjusting and Troubleshooting
323
Testing Engine Speed
326
Testing Exhaust Temperature
327
Checking Exhaust Gas Color
328
Adjusting Valve Clearance
329
Testing Compression Pressure
331
Testing Blow-By Pressure
333
Testing Engine Oil Pressure
334
Handling Fuel System Parts
335
Releasing Residual Pressure from Fuel System
335
Testing Fuel Pressure
336
Testing Fuel Return Rate and Fuel Leakage
337
Bleeding Air from Fuel Circuit
339
Checking Fuel Circuit for Leakage
341
Testing and Adjusting Alternator Belt Tension
342
Checking and Adjusting Track Shoe Tension
344
Circuit
346
Testing Control Circuit Basic Pressure
349
Testing and Adjusting Oil Pressure in Pump Pc Control Circuit
350
Testing and Adjusting Oil Pressure in Pump Ls Control Circuit
353
Testing Solenoid Valve Output Pressure
357
Testing Ppc Valve Output Pressure
358
Adjusting Play of Work Equipment and Slewing Ppc Valves
360
Releasing Residual Pressure from Hydraulic Circuit
361
Testing Oil Leakage
362
Bleeding Air from each Part
364
Checking Cab Tipping Stopper
366
Adjusting Mirrors
366
Adjusting Clearance of Boom
367
Adjusting Boom Telescoping Wirerope
368
Criteria for Winch Wire Rope Replacement
370
Checking Hook Block
371
Special Function of Machine Monitor
373
Handling Voltage Circuit of Engine Controller
423
Precaution Work for Troubleshooting of Electrical System
424
Procedure for Testing Diodes
429
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Operating Manual
384 pages
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Maeda LC1385M-8B Specifications
General
Model
LC1385M-8B
Category
Construction Equipment
Type
Crawler Crane
Engine
Yanmar 4TNV98
Crawler Width
450 mm
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