Komatsu 72642 Manuals

Manuals and User Guides for Komatsu 72642. We have 1 Komatsu 72642 manual available for free PDF download: Operation & Maintenance Manual

Komatsu 72642 Operation & Maintenance Manual (330 pages)

HYDRAULIC EXCAVATOR

Brand: Komatsu | Category: Excavators | Size: 8.51 MB

Foreword
5
Safety Information
5
Noise Emission Levels
7
Vibration Levels
7
Guide to Reduce Vibration Levels on Machine
8
Introduction
9
Breaking-In the New Machine
9
Product Information
10
Product Identification Number (Pin)/Machine Serial No. Plate
10
Engine Serial Number Plate and Its Location
10
Service Meter Location
11
Your Machine Serial Numbers and Distributor
11
Machine Serial Number Plate
12
Table of Contents
14
Safety
23
Safety Information
24
Safety Labels
26
Location of Safety Labels
26
Safety Labels
27
Safety Information
35
Safety Rules
35
If Abnormalities Are Found
35
Working Wear and Personal Protective Items
35
Fire Extinguisher and First Aid Kit
35
Safety Equipment
36
Keep Machine Clean
36
Keep Operator's Compartment Clean
36
Leaving Operator's Seat with Lock
36
Handrails and Steps
37
Mounting and Dismounting
38
No Persons on Attachments
38
Burn Prevention
38
Fire Prevention and Explosion Prevention
39
Action if Fire Occurs
40
Windshield Washer Fluid
40
Falling Objects, Flying Objects and Intruding Objects Prevention
40
Attachment Installation
41
Attachment Combinations
41
Cab Widow Glasses
41
Unauthorized Modifications
41
Safety at Jobsite
41
Working on Loose Ground
42
Distance to High Voltage Cables
42
Ensure Good Visibility
43
Ventilation for Enclosed Area
43
Signalman's Signal and Signs
43
Safety Machine Operation
45
Starting Engine
45
Operation
47
Transportation
54
Battery
55
Towing
57
Lifting Objects with Bucket
58
Safety Maintenance Information
60
Operation
67
Machine View Illustrations
68
Overall Machine View
68
Controls and Gauges
69
Detailed Controls and Gauges
70
Monitoring System
70
Basic Check Monitors
71
Caution Monitors
73
Emergency Monitors
75
Meter Display Portion
77
Monitor Switches Portion
80
Switches
83
Control Levers and Pedals
89
Sun Roof
92
Windshield
92
Emergency Exit from Operator's Cab
97
Door Lock
97
Cap with Lock
98
Hot and Cool Box
100
Magazine Box
100
Ashtray
100
Air Conditioner Controls
101
Air Conditioner Control Panel
101
Method of Operation
106
Use Air Conditioner with Care
112
Inspection and Maintenance of Air Conditioner Equipped Machine
112
Other Functions
113
Cab Radio Cassette
114
Controls of Radio Cassette
114
Precautions When Using
114
Auxiliary Electric Power
115
Power Source
115
Fuse
116
Fusible Link
117
Controllers
117
Tool Box
117
Grease Gun Holder
117
Handling Grease Gun
118
Refuelling Pump
119
Accumulator
121
Releasing Hydraulic Pressure with Accumulator
121
Machine Operations and Controls
122
Before Starting Engine
122
Walk-Around Checks
122
Checks before Starting
124
Adjustment
130
Seat Belt
135
Operations before Starting Engine
136
Starting Engine
138
Normal Starting
138
Starting Engine in Cold Weather
140
Ambient Temperature Range for Operation
142
After Starting Engine
142
Warming-Up Operation
142
In Cold Weather Areas
145
Stopping the Engine
149
Machine Operation
150
Preparations for Moving the Machine off
150
Moving Machine Forward
151
Moving Machine Backward
152
Stopping Machine
153
Steering the Machine
154
Steering
154
Swinging
156
Work Equipment Controls and Operations
157
Working Mode
159
Prohibited Operations
160
General Operation Information
162
Traveling on Slopes
163
Escape from Mud
165
Stuck One Side of Track
165
Stuck both Sides of Tracks
165
Recommended Applications
166
Backhoe Work
166
Shovel Work
166
Ditching Work
166
Loading Work
167
Bucket Replacement and Inversion
168
Replacement
168
Inversion
169
Parking Machine
170
Check after Shut off Engine
171
Machine Inspection after Daily Work
172
Locking
172
Overload Warning Device
172
Transportation
173
Transportation Procedure
173
Loading and Unloading with Trailer
174
Loading
175
Securing Machine
177
Unloading
180
Lifting Machine
182
Cold Weather Operation
183
Cold Weather Operation Information
183
Fuel and Lubricants
183
Cooling System Coolant
183
Battery
184
After Daily Work Completion
185
After Cold Weather Season
185
Long Term Storage
186
Before Storage
186
During Storage
186
After Storage
187
Starting Machine after Long-Term Storage
187
Troubles and Actions
188
Running out of Fuel
188
Phenomena that Are Not Failures
188
Towing the Machine
189
Lightweight Towing Hole
189
Severe Job Condition
190
Discharged Battery
191
Battery Removal and Installation
191
Battery Charges
192
Starting Engine with Booster Cables
193
Other Trouble
195
Electrical System
195
Chassis
196
Engine
197
Electronic Control System
198
Maintenance
199
Maintenance Information
200
Lubricants, Coolant and Filters
203
Handling Oil, Fuel, Coolant, and Performing Oil Clinic
203
Oil
203
Fuel
203
Cooling System Coolant
204
Grease
204
Carrying out Kowa (Komatsu Oil Wear Analysis)
205
Oil and Fuel Storage
206
Filters
206
Electric System Maintenance
206
Wear Parts
207
Wear Parts List
207
Lubricants, Fuel and Coolant Specifications
208
Proper Selection
208
Tightening Torque Specifications
212
Tightening Torque List
212
Safety Critical Parts
213
Safety Critical Parts List
213
Maintenance Schedule
214
Maintenance Interval for Hydraulic Breaker
216
Maintenance Procedure
217
Initial 250 Hours Maintenance (Only after the First 250 Hours)
217
Initial 1000 Hours Maintenance (Only after the First 1000 Hours)
217
When Required
218
Check, Clean and Replace Air Cleaner Element
218
Clean Inside of Cooling System
223
Check and Tighten Track Shoe Bolts
226
Check and Adjust Track Tension
227
Check Electrical Intake Air Heater
229
Replace Bucket Teeth (Vertical Pin Type)
230
Replace Bucket Teeth (Horizontal Pin Type)
233
Adjust Bucket Clearance
234
Check Window Washer Fluid Level, Add Fluid
235
Check and Adjust Air Conditioner
236
Wash Washable Floor
237
Washing Washable Floor
237
Bleeding Air from Hydraulic System
241
Method for Releasing Internal Pressure in Hydraulic Circuit
244
Check Nitrogen Gas Charge Pressure in Accumulator (Control Circuit)
244
Check before Starting
245
Checks before Starting
245
Every 100 Hours Maintenance
246
Lubricating
246
Check Swing Machinery Case Oil, Add Oil
248
Every 250 Hours Maintenance
249
Check Oil Level in Final Drive Case, Add Oil
249
Check Level of Battery Electrolyte
250
Every 500 Hours Maintenance
253
Replace Fuel Filter Cartridge
253
Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge
254
Check Swing Pinion Grease Level, Add Grease
255
Lubricate Swing Circle
255
Radiator Core and Fins - Check/Clean
256
Clean Air Conditioner Fresh/Recirc Filters
257
Clean Atr Conditioner Fresh/Recirc Filters
257
Replace Hydraulic Oil Filter Element
259
Replace Breather Element in Hydraulic Tank
260
Check and Adjust Cooling Fan Belt Tension
261
Check, Adjust Air Conditioner Compressor Belt Tension
262
Check and Adjust Air Conditioner Compressor Belt Tension
262
Every 1000 Hours Maintenance
263
Change Oil in Swing Machinery Case
263
Change Oil in Final Drive Case
264
Check All Tightening Parts of Turbocharger
264
Check Play Turbocharger Rotor
264
Check Nitrogen Gas Charge Pressure in Accumulator (for Breaker)
264
Every 2000 Hours Maintenance
265
Check Pto Gear Case, Add Oil
265
Clean Hydraulic Tank Strainer
266
Clean, Check Turbocharger
266
Check Alternator, Starting Motor
266
Check Engine Valve Clearance, Adjust
266
Clean Hydraulic Oil Tank Strainer
266
Every 4000 Hours Maintenence
267
Check Water Pump
267
Every 4000 Hours Maintenance
267
Every 5000 Hours Maintenance
268
Change Oil in Hydraulic Tank
268
Specifications
269
Explanation of Lifting Capacity Chart (Pc130-7 1- Pc Boom)
273
Explanation of Lifting Capacity Chart (Pc130-7 2-Pc Boom)
275
Attachments and Options
277
General Precautions for Safety
278
Hydraulic Quick Coupler Piping
278
Locations
278
Operation
279
Precautions When Selecting
281
Read the Instruction Manual Thoroughly
281
Precautions When Removing or Installing
281
Precautions When Using
282
Bucket with Hook
283
Hook Condition
283
Prohibited Operations
283
Machine Ready for Attachment
284
Locations
284
Hydraulic Circuit
287
Hydraulic Circuit Connection
287
Attachment Removal and Installation
288
Attachment Removal
288
Attachment Installation
288
Attachment Operations
290
When Using Breaker
290
When Using General Attachment such as Crusher
291

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Komatsu 72642 Operation & Maintenance Manual (330 pages)

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