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PC350LC-8
Komatsu PC350LC-8 User Manual
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MAINTENANCE
MAINTENANCE PROCEDURE
4-21
MAINTENANCE PROCEDURE
4
INITIAL 1000 HOURS MAINTENANC
E (ONL
Y AFTER THE FIRST 1000
HOURS)
4
Carry out the following maintena
nce only after th
e
first 1000 hour
s of operation on
new machines.
q
Check engine valve
clearance, adjust
S
pecial to
ols are needed for inspectio
n and main
tenance, so cont
act your Komat
su distri
butor
.
For details of the m
ethod of re
placing or m
ainta
ining, see the
section on
EV
ERY 2000 HOURS SER
VICE.
298
300
Table of Contents
Default Chapter
3
Foreword
3
Foreword
5
Safety Information
5
Noise Emission Levels
7
Vibration Levels
7
Operating Condition
8
Guide to Reduce Vibration Levels on Machine
8
Introduction
9
Directions of Machine
9
Breaking-In the New Machine
10
Product Information
11
Product Identification Number (Pin)/Machine Serial No. Plate
11
Epa Regulations, Engine Number Plate
11
Service Meter Location
12
Machine Serial Plate
13
Table to Enter Serial No. and Distributor
13
Table of Contents
14
Safety
23
Safety Information
24
Safety Labels
26
Location of Safety Labels
26
Safety Labels
27
Safety Information
35
Specifications
39
Safety Machine Operation
45
Starting Engine
45
Operation
47
Transportation
53
Battery
54
2Starting Engine with Booster Cables
55
Towing
56
2Towing
56
2Safety Rules for Towing
56
Lifting Objects with Bucket
57
2Lifting Objects with Bucket
57
2Safety Rules for Lifting Objects
57
Safety Maintenance Information
58
2Warning Tag
58
2Keep Work Place Clean and Tidy
58
2Appoint Leader When Working with Others
58
2Stop Engine before Carrying out Maintenance
59
2Two Workers for Maintenance When Engine Is Running
59
2Proper Tools
60
2Accumulator, Gas Spring
60
2Personnel
60
2Attachments
61
2Work under the Machine
61
2Noise
61
2When Using Hammer
61
2Welding Works
61
2Removing Battery Terminals
62
2Safety First When Using High-Pressure Grease to Adjust Track Tension
62
2Do Not Disassemble Recoil Springs
62
2Safety Rules for High-Pressure Oil
62
2Precaution for High Fuel Pressure
63
2Safety Handling High-Pressure Hoses
63
2Precaution for High Voltage
63
2Waste Materials
64
2Air Conditioner Maintenance
64
2Compressed Air
64
2Periodic Replacement of Safety Critical Parts
64
Operation
66
Machine View Illustrations
66
Overall Machine View
66
Controls and Gauges
67
Detailed Controls and Gauges
69
Monitoring System
69
Basic Operation of Machine Monitor
70
Emergency Monitors
75
Caution Monitors
77
Basic Check Monitors
80
Meter Display Portion
82
Monitor Switches Portion
90
Handling Function Switches
99
Switches
139
Control Levers and Pedals
146
Sun Roof
149
Windshield
150
Emergency Escape Hammer
156
Door Lock
156
Cap with Lock
157
Drink Box
159
Magazine Box
159
Ashtray
159
Air Conditioner Controls
160
Air Conditioner Control Panel
160
Method of Operation
165
Use Air Conditioner with Care
172
Inspection and Maintenance of Air Conditioner Equipped Machine
172
Radio
173
Control Panel
173
Controls of Radio
175
Use Radio with Care
177
Space for Radio Cassette
177
Auxiliary Electric Power
178
Power Source
178
Fuse
179
Capacities and Circuit Names
179
Fusible Link
180
Controller
180
Tool Box
181
Grease Pump Holder
181
Fire Extinguisher
181
Refuelling Pump
182
Handling the Accumulator
183
Releasing Pressure in Control Circuit on Machine Equipped with Accumulator
183
Contents
184
Machine Operations and Controls
184
Before Starting Engine
184
Walk-Around Checks
184
Checks before Starting
186
Adjustment
194
Seat Belt
200
Operations before Starting Engine
201
Starting Engine
203
Ambient Temperature Range for Operation
206
After Starting Engine
206
Engine Warm up
207
Hydraulic Equipment Warm up
209
Operation after Completion of Warm-Up Operation
215
Stopping the Engine
217
Machine Operation
218
Preparations for Moving the Machine
218
Moving Machine Forward
219
Moving Machine Backward
220
Stopping Machine
221
Steering the Machine
222
Steering
222
Swinging
224
Work Equipment Controls and Operations
225
Working Mode
227
Prohibited Operations
229
General Operation Information
234
Traveling on Slopes
236
Escape from Mud
238
Track on One Side Stuck
238
Tracks on both Sides Stuck
238
Recommended Applications
239
Backhoe Work
239
Shovel Work
239
Ditching Work
239
Loading Work
240
Bucket Replacement and Inversion
241
Replacement
241
Inversion
243
Parking Machine
245
Machine Inspection after Daily Work
246
Locking
247
Transportation
248
Transportation Procedure
248
Loading and Unloading with Trailer
249
Loading
250
Securing Machine
253
Unloading
256
Lifting Machine
258
Cold Weather Operation
260
Cold Weather Operation Information
260
Fuel and Lubricants
260
Cooling System Coolant
260
Battery
261
After Daily Work Completion
262
After Cold Weather Season
262
Long Term Storage
263
Before Storage
263
During Storage
263
After Storage
264
Starting Machine after Long-Term Storage
264
Troubles and Actions
265
Running out of Fuel
265
Phenomena that Are Not Failures
266
Towing the Machine
267
Lightweight Towing Hole
268
Severe Job Condition
268
Discharged Battery
269
Battery Removal and Installation
269
Battery Charges
270
Starting Engine with Booster Cables
271
Other Trouble
273
Electrical System
273
Chassis
274
Engine
275
Electronic Control System
277
Point of Contact to Telephone When Error Occurs
277
Maintenance
279
Maintenance Information
280
Outline of Service
282
Handling Oil, Fuel, Coolant, and Performing Oil Clinic
282
Oil
282
Fuel
283
Coolant and Water for Dilution
283
Grease
284
CARRYING out KOWA (Komatsu Oil Wear Analysis)
284
Storing Oil and Fuel
285
Filters
285
Explanation of Lubrication Chart Decal
286
Electric System Maintenance
288
Contents
289
Wear Parts
289
Wear Parts List
289
Recommended Fuel, Coolant, and Lubricant
290
Recommended Brands, Recommended Quality for Products Other than Komatsu Genuine Oil
292
Tightening Torque Specifications
293
Tightening Torque List
293
Safety Critical Parts
294
Safety Critical Parts List
295
Maintenance Schedule
296
Maintenance Schedule Chart
296
Maintenance Interval for Hydraulic Breaker
298
Maintenance Schedule Chart
299
Maintenance Procedure
299
Initial 1000 Hours Maintenance (Only after the First 1000 Hours)
299
Check Engine Valve Clearance, Adjust
299
When Required
300
Check, Clean and Replace Air Cleaner Element
300
Check, Clean and Replace Air Creaner Element
300
Clean Inside of Cooling System
306
Check and Tighten Track Shoe Bolts
310
Check and Adjust Track Tension
311
Replace Bucket Teeth (Vertical Pin Type)
313
Replace Bucket Teeth (Horizontal Pin Type)
316
Replace Bucket Side Cutter, Shroud
317
Replace Bucked Side Cutter Shroud
317
Adjust Bucket Clearance
318
Adjust Bucket Crearance
318
Check Window Washer Fluid Level, Add Fluid
319
Check and Maintenance Air Conditioner
320
Wash Washable Floor
321
Washing Washable Floor
321
Bleeding Air from Hydraulic System
324
Check before Starting
326
Checks before Starting
326
Every 50 Hours Maintenance
327
Lubricating
327
Every 250 Hours Maintenance
328
Lubricate Swing Circle
328
Check Level of Battery Electrolyte
329
Check Air Conditioner Compressor Belt Tension, Adjust
331
Every 500 Hours Maintenance
332
Check Oil Level in Swing Machinery Case, Add Oil
332
Check Oil Level in Final Drive Case, Add Oil
333
Lubricating
334
Replace Fuel Pre-Filter Cartridge
336
Check Swing Pinion Grease Level, Add Grease
339
Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge
340
Clean and Inspect Radiator Fins, Oil Cooler Fins, Aftercooler Fins and Condenser Fins
342
And Condenser Fins
342
Clean Air Conditioner Fresh/Recirc Filters
344
Replace Breather Element in Hydraulic Tank
345
Replace Hydraulic Tank Additional Breather Element
346
Every 1000 Hours Maintenance
347
Replace Fuel Main Filter Cartridge
347
Replace Hydraulic Oil Filter Element
349
Change Oil in Swing Machinery Case
350
Check Oil Level in Damper Case, Add Oil
351
Check All Tightening Points of Engine Exhaust Pipe Clamps
351
Check Fan Belt and Alternator Drive Belt Tension, Replace
351
CHECK NITROGEN GAS CHARGE PRESSURE in ACCUMULATOR (for Breaker)
351
Replace Corrosion Resistor Cartridge
352
Every 2000 Hours Maintenance
353
Change Oil in Final Drive Case
353
Clean Hydraulic Tank Strainer
354
Checking Charge Pressure of Nitrogen Gas in Accumulator (for Control Circuit)
355
Check Alternator
359
Check Engine Valve Clearance, Adjust
359
Check Vibration Damper
359
Every 4000 Hours Maintenance
360
Check Water Pump
360
Check Starting Motor
360
Replace Accumulator (for Control Circuit)
361
Check for Looseness of High-Pressure Piping Clamp, Hardening of Rubber
362
Check for Missing Fuel Spray Prevention Cap, Hardening of Rubber
362
Every 5000 Hours Maintenance
363
Change Oil in Hydraulic Tank
363
Every 8000 Hours Maintenance
365
Replace High-Pressure Piping Clamp
365
Replace Fuel Spray Prevention Cap
365
Specifications
367
Specifications
368
Explanation of Lifting Capacity Chart
370
Attachments and Options
373
General Precautions for Safety
374
Precautions When Selecting
374
Read the Instruction Manual Thoroughly
374
Precautions When Removing or Installing
374
Precautions When Using
374
Hydraulic Quick Coupler Piping
375
Locations
375
Contents
376
Operation
376
Bucket with Hook
378
Prohibited Operations
378
Hook Condition
378
Machine Ready for Attachment
379
Locations
379
Hydraulic Circuit
384
Switching Hydraulic Circuit
384
Adjusting Oil Flow
384
Switching between Breaker and General Attachment
384
Hydraulic Circuit Connection
385
Oil Flow Path
386
Replace Additional Breaker Filter Element
387
Attachment Removal and Installation
389
Attachment Removal
389
Attachment Installation
391
Attachment Operations
393
Operation When Using Breaker
393
Operation When Using General Attachment 1 (E.g. Crusher)
395
Working Mode Selection
396
Operation When Using Attachment 2 (E.g Clamshell Rotation, Crusher Rotation)
397
Long Term Storage
397
Specifications
397
Attachment Guide
398
Attachment Combinations
399
Method of Selecting Shoes
400
Handling Clamshell Bucket
401
Precautions When Using
401
Lubricating
401
Recommended Attachment Operations
402
Hydraulic Breaker
402
Handling Machines Equipped with Komtrax
406
Basic Precautions
406
2 Pc Boom
407
Features of 2-Piece Boom & Arm
407
Operation
407
Before Storage Posture When Leaving Machine
409
Testing and Adjusting
409
Perodic Maintenance
410
PC350-8 WORKING RANGE (2-Pc Boom)
411
Explanation of Lifting Capacity Chart
412
Pc350Lc-8, Pc350Nlc-8 2 Piece Boom
413
Pc350Lc-8 2 Piece Boom
413
Pc350Nlc-8 2 Piece Boom
414
Transportation
415
Super Long Front Boom and Arm
416
Working Modes
417
Checks before Starting
418
Using Super Long Front
418
Method of Work
420
When Travelling
420
Control Levers, Pedals
421
Transport & Storage of Super Long Front Machine
424
Installation of Supporting Link
424
Transportation of Super Long Front Machine
425
Working Range of Super Long Front
426
LIFTING CAPACITY PC350 LC 22M SUPER LONG FRONT
427
Maintenance
428
Special Service Requirements for Super Long Front Work Equipment
428
Every 50 Hours Service
429
Every 100 Hours Service
430
High Reach Demolition Manual
433
Pc350Lcd-8 and Pc350Nlcd-8
434
General View of Machine
434
Caution Items
434
Position for Attaching Safety Labels
436
Control Levers and Switches
438
Safety Lock Lever
438
Travel Levers
439
Work Equipment Control Levers
440
ATTACHMENT ROTATION (with Auto-Deceleration)
441
INTERMEDIATE LINK CONTROL PEDAL (with Auto-Deceleration)
442
Crusher Control for Opening and Closing
443
Tilting Cab Mechanism Operation
444
Boom Angle Alarm Buzzer Cancel Switch
445
Ceiling Window Wiper Switch
446
Machine Operations and Controls
447
Before Starting Engine
447
Precautions When Operating
448
Prohibiton of Work Outside Specified Working Range
449
Prohibition of Work at the Stroke End of a Cylinder
452
Prohibition of Work with Hydraulic Breaker
453
Operation
454
ADJUSTMENT of HYDRAULIC VARIABLE GUAGE UNDERCARRIAGE, (Where Fitted)
454
Operating Work Equipment
455
Attachment Control
457
Raising Work Equipment
458
Contents
455
Working Range and Using Range of Boom
459
Installation and Removal
462
Demolition Digging Boom Installation and Removal
462
Procedure for Installation and Removal of Demolition Digging Equipment
462
Fitting Demolition Digging Equipment
467
Work Equipment Flow Valve Settings
471
High Reach Work Equipment Flow Settings
471
Dig Boom Work Equipment Flow Settings
472
Removal of Demolition Digging Equipment
473
Connecting Digging Arm to Demolition Digging Boom
473
Purging Air Procedures
474
Purging Air from Hydraulic Drift Preventative Valve Ppc Circuits of MID Link and Arm Cylinder
477
Posture When Leaving Machine
478
Transportation
479
TRANSPORTATION (High Reach Demolition Equipment Fitted)
479
Procedure for Loading on to Trailer
479
TRANSPORTATION (Demolition Digging Equipment Fitted)
479
TRANSPORTATION (Demolition Digging Equipment Fitted)
480
Procedure for Loading on to Trailer
481
TRANSPORTATION (High Reach Demolition Equipment Alone)
481
Specifications
486
5 Working Range (Pc350Lcd/Nlcd High Reach)
486
Working Range (Pc350Lcd/Nlcd Medium Reach)
487
Working Range (Pc350Lcd/Nlcd Low Reach)
488
Working Range (Pc350Lcd/Nlcd Digging)
489
Weights and Dimensions
490
TRANSPORTATION (High and Medium Reach Work Equipment) - PC350LCD/NLCD
491
TRANSPORTATION (Digging Equipment) - PC350LCD/NLCD
492
Explanation of Lifting Capacity Chart
493
Demolition Dig Boom - Straight Position
494
Demolition Dig Boom - Bent Position
495
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Komatsu PC350LC-8 Specifications
General
Brand
Komatsu
Model
PC350LC-8
Category
Excavators
Language
English
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