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WA320-8
Komatsu WA320-8 User Manual
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GENERAL VIEW
MACHINE EQUIPMENT NAME
(1) Bucket
(2) Front wheel
(3) Bell crank
(4) Bucket cylinder
(5) T
urn signal lamp
(6) Headlamp
(7) Rearview mirror
(8) Front working lamp
(9) ROPS cab
(10) Auto-greasing
(1
1) Rear wheel
(12) Stepladder
(13) Lift cylinder
(14) Boom
(15) Rear working lamp
(16) Rearview camera
(17) Rear combination lamp
(18) Rear full-length fender
(19) Chock (if equipped)
GENERAL VIEW
OPERA
TION
3-2
67
69
Table of Contents
Table of Contents
19
Eu Directives
4
Safety Information
6
Safety Labels
7
Noise Emission Levels
8
Vibration Level
9
Introduction
10
Main Use of Machine
10
Visibility from Operator's Seat
10
Engine Technology to Conform Exhaust Gas Emission
11
Location of Engine Number Plate
12
Product Information
12
Location of Product Identification Number (Pin)/Machine Serial No. Plate
12
Rops/Fops Serial Plate Location
13
Transmission Serial Plate Location
13
Seat Plate Location
14
Service Meter Location
14
Your Machine Serial Numbers and Distributor
14
Declaration of Conformity
16
Retrofitting by Third-Party Suppliers
17
Explanation of Acronyms
18
Table of Contents
19
Safety Labels
26
Location of Safety Labels
27
Contents of Safety Labels
29
Precautions for Safety-Related Equipment
37
Keep Machine Clean
37
Wear Well-Fitting Clothes and Protective Equipment
37
Inspect Machine
37
Understand the Machine
37
Ensure Safe Operation
37
Preparations for Safe Operation
37
Precautions before Starting Operation
37
General Precautions Common to Operation and Maintenance
37
Precautions for Inside Operator's Compartment
38
Provide Fire Extinguisher and First Aid Kit
38
If any Problem Is Found
38
Precautions to Prevent Fire
39
Actions if Fire Occurs
39
Prevent Fire
39
Precautions When Getting on or off Machine
40
Use Handrails and Steps When Getting on or off Machine
40
No People on Attachments
41
Lifting of Personnel Prohibited
41
Precautions When Standing up from Operator's Seat
41
Precautions When Leaving Machine
41
No Jumping on or off Machine
41
Emergency Exit from Operator's Cab
42
Precautions for Cleaning Cab Glass
42
Precautions Related to Protective Structures
42
Do Not Get Caught
42
Unauthorized Modification
43
Precautions Related to Attachments and Options
43
Precautions When Running Engine Inside Building
43
Precautions for Operation
44
Precautions for Jobsite
44
Investigate and Confirm Jobsite Conditions
44
Precautions When Working on Loose Ground
44
Do Not Go Close to High-Voltage Cables
44
Ensure Good Visibility
45
Check Signs and Signalman's Signals
45
Start Engine
46
Beware of Asbestos Dust
46
Use Warning Tags
46
Checks and Adjustment before Starting Engine
46
Precautions When Starting Engine
47
In Cold Weather
47
Start Engine with Jumper Cables
47
Precautions When Traveling in Forward or Reverse
48
Checks before Operation
48
Precautions for Operation
48
Precautions When Traveling
49
Precautions When Traveling on Slopes
50
Method of Using Brakes
50
Precautions When Operating Machine
51
Prohibited Operations
51
Precautions When Operating on Snow or Frozen Surfaces
52
Precautions When Parking Machine
52
Precautions When Loading and Unloading
53
Precautions for Transportation
53
Precautions for Towing and Being Towed
54
Towing and Being Towed
54
Select Suitable Place for Inspection and Maintenance
55
Appoint Leader When Working with Others
55
Only Authorized Personnel
55
Stability
55
Keep Work Place Clean and Tidy
55
Display Warning Tag During Inspection and Maintenance
55
Precautions before Starting Inspection and Maintenance
55
Precautions for Maintenance
55
Guards
56
End of Service Life
56
Stop Engine before Carrying out Inspection and Maintenance
56
Two Workers for Maintenance When Engine Is Running
57
Turn off Ecss Switch before Performing Inspection and Maintenance
58
Precautions When Installing, Removing, or Storing Attachments
58
Precautions for Working at High Places
58
Precautions When Working under Machine or Work Equipment
58
Precautions for Welding
59
Handle Battery
59
Precautions for Check and Maintenance
59
Turn Battery Disconnect Switch to off Position
59
Use Proper Tools
59
Precautions When Using Hammer
60
Precautions for High-Temperature Coolant
60
Precautions for High-Temperature Oil
61
Precautions for High-Temperature Parts
61
Precautions for High-Pressure Oil
61
Precautions for High-Pressure Fuel
61
Handle High-Pressure Hoses and Piping
61
Precautions for Noise
62
Handle Accumulator and Gas Spring
62
Precautions for Compressed Air
62
Maintenance of Air Conditioner
62
Chemical Hazard
62
Precautions for Disposing of Waste Materials
62
Handle Tires
63
Periodic Replacement of Defined Life Parts
63
Method for Selecting Window Washer Fluid
63
Tires
63
Precautions for Storing Tires
64
Precautions for Def
65
General Character and Precautions for Handling
65
Precautions for Adding
65
Precautions for Storing
65
Precautions for Fire Hazard and Leakage
65
Other Precautions
65
Operation
67
General View
68
Machine Equipment Name
68
Controls and Gauges Names
69
Other Equipment Name
73
Explanation of Components
76
Explanation of Machine Monitor Equipment
76
Switches
158
Control Levers and Pedals
173
Other Components
176
Machine Operations and Controls
217
Checks and Adjustment before Starting Engine
217
Method for Starting Engine
242
Method for Operations and Checks after Starting Engine
246
Method for Stopping Engine
249
Method for Starting Machine (Travel Forward and Reverse, and Shifting Gear) and Stopping Machine
250
Method for Steering Machine
258
Method for Operating Work Equipment
260
Precautions for Operation
261
Recommended Applications
262
Method for Adjusting Work Equipment Posture
267
Remote Positioner
267
Method for Parking Machine
272
Method for Checking after Finishing Work
274
Lock
274
Handle Tire
277
Handle Air Conditioner
279
Explanation of Air Conditioner Equipment
280
Method for Operating Air Conditioner
285
Loading and Unloading with Trailer
289
Transportation Procedure
289
Transportation
289
Method for Lifting Machine
293
Cold Weather Operation
295
Cold Weather Operation Information
295
Precautions after Daily Work Completion in Cold Weather
296
Precautions in Cold Weather
296
After Cold Weather Season
296
Maintenance During Long-Term Storage
297
Starting Machine after Long-Term Storage
297
Precautions for Long-Term Storage
297
Preparation for Long-Term Storage
297
Troubles and Actions
299
Actions When Running out of Fuel
299
Precautions for Towing Machine
300
Precautions for Discharged Battery
303
Other Trouble
306
Maintenance
313
Check Drained Oil and Used Filter
314
Welding Instructions
314
Precautions for Adding Def
314
Precautions for Refilling Oil or Fuel
314
Komatsu Genuine Replacement Parts
314
Fresh and Clean Lubricants
314
Always Use Clean Washer Fluid
314
Komatsu Genuine Lubricants
314
Check Service Meter Reading
314
Precautions for Maintenance
314
Precautions for Scr Assembly
315
Dusty Jobsites
315
Avoid Mixing Oil
315
Lock Inspection Covers
315
Bleed Air from Hydraulic Circuit
315
Precautions When Installing Hydraulic Hoses
315
Checks after Inspection and Maintenance
315
Fuel and Lubricants to Match the Ambient Temperature
316
Close Engine Side Cover Securely
316
Outline of Maintenance
317
Handle Oil, Fuel, Coolant, and Performing Oil Clinic
317
Handle Electrical Components
321
Standard Tightening Torque for Bolts and Nuts
322
Maintenance Schedule
324
Maintenance Schedule Table
324
Maintenance Interval When Diesel Fuel Mixed with Bio-Fuel Is Used
325
Initial 10 Hours Maintenance (Only for the First 100 Hours)
327
Initial 250 Hours Maintenance (Only after the First 250 Hours)
327
Maintenance Procedure
327
Method for Checking, Cleaning and Replacing Air Cleaner
327
When Required
327
Method for Cleaning Inside of Cooling System
333
Method for Checking Oil Level in Transfer Case and Adding Oil
337
Method for Cleaning Engine Damper Breather
339
Method for Checking Oil Level in Axle Case and Adding Oil
340
Method for Cleaning Axle Breather
341
Method for Cleaning Air Conditioner Condenser
342
Method for Cleaning Fin with Compressed Air
343
Method for Cleaning Fins by Rotating Cooling Fan in Reverse
343
Method for Cleaning Radiator Fin and Cooler Fin
343
Method for Reversing Automatic Operation Fan
343
Method for Reversing Manual Operation Fan
343
Method for Inverting and Replacing Bolt on Cutting Edge
345
Method for Replacing Bucket Teeth
346
Method for Checking and Maintenance Air Conditioner
349
Method for Checking Window Washer Fluid Level, Adding Fluid
349
Method for Replacing Slow-Blow Fuse
351
Method for Checking Function of Brake Accumulator
352
Method for Checking Function of Ecss Accumulator
352
Select and Check Tires
353
Method for Cleaning and Replacing Fuel Tank Breather Element
354
Checking Auto-Greasing and Operation Method for Filling Grease
356
Checks before Starting
356
Every 100 Hours Maintenance
358
Every 50 Hours Maintenance
358
Method for Checking Oil Level in Hydraulic Tank, Adding Oil
358
Method for Draining Water and Sediment from Fuel Tank
358
Every 250 Hours Maintenance
359
Method for Checking Battery Electrolyte Level
359
Method for Cleaning Air Conditioner Fresh Air Filter
359
Method for Checking and Adjusting Air Conditioner Compressor Belt Tension
361
Method for Testing Parking Brake
361
Method for Checking Looseness of Wheel Hub Bolts, Retightening Bolts
363
Method for Checking Function of Brake Accumulator
364
Method for Cleaning Air Conditioner Recirc Air Filter
364
Every 500 Hours Maintenance
365
Method for Replacing Fuel Prefilter Cartridge
367
Every 1000 Hours Maintenance
369
Method for Replacing Fuel Main Filter Cartridge
369
Method for Cleaning Transfer Case Breather
371
Method for Replacing Hst Oil Filter Cartridge
373
Every 2000 Hours Maintenance
375
Method for Changing Oil in Hydraulic Tank, Cleaning Hydraulic Tank Strainer
375
Method for Checking All Tightening Points of Engine Intake Pipe Clamps
375
Method for Checking and Replacing Alternator Belt
375
Method for Replacing Hydraulic Oil Filter Cartridge
378
Method for Replacing Hydraulic Tank Breather Element
380
Method for Changing Oil in Axle Case
381
Method for Replacing Air Conditioner Fresh/Recirc Air Filters
382
Method for Cleaning Brake Circuit Strainer
383
Method for Checking Brake Disc Wear Amount
384
Method for Checking Alternator
385
Method for Checking Function of Ppc Accumulator
385
Method for Checking and Adjusting Engine Valve Clearance
386
Method for Checking Vibration Damper
386
Method for Replacing Kccv Filter Element
386
Method for Replacing Def Filter
389
Method for Replacing Def Tank Breather Element
391
Every 4000 Hours Maintenance
392
Replace Defined Life Parts
392
Method for Lubricating Drive Shaft
393
Method for Checking and Adjusting Air Conditioner Compressor
394
Method for Checking for Looseness of Engine High-Pressure Piping Clamp, Hard- Ening of Rubber
394
Method for Checking Starting Motor
394
Method for Checking Water Pump
394
Every 4500 Hours Maintenance
395
Every 8000 Hours Maintenance
395
Method for Checking Wear of Damper Gear
395
Method for Cleaning Def Tank
395
Method for Cleaning Kdpf
395
Method for Replacing Fuel Spray Prevention Cap
395
Method for Replacing Starting Motor
395
End of Service Life
396
Every 9000 Hours Maintenance
396
Method for Replacing Def Hose
396
Specifications
397
Specifications: Wa320-8
398
Attachments and Options
401
Bucket and Tire Selection
402
Explanation of Components in Joystick Steering System
403
Handle Joystick Steering System
403
Function and Structure of Joystick Steering System
408
Precautions for Handling Joystick Steering System
408
Method for Handling Joystick Steering System
409
Method for Getting on or off to Operator's Cab
411
Selection of Operation with Joystick Steering Lever and Steering Wheel
411
Method for Adjusting Joystick Console
412
Explanation of Components on Machines with Quick Coupler
414
Handle Hydraulic Type Quick Coupler
414
Method for Removing Attachment
415
Method for Installing Attachment
418
Precautions for Using Hydraulic Type Quick Coupler
423
Explanation of Components on Machines with Fork
424
Handle Fork
424
Machine Operations and Controls
425
Lcd Unit
431
Pcs (Proportional Control Switch)
431
Method for Setting Pcs
433
Replacement Parts
435
Defined Life Parts List
436
Periodic Replacement of Defined Life Parts
436
Consumable Parts
437
Consumable Parts List
437
Lubrication Chart
438
Recommended Fuel, Coolant, and Lubricant
438
Method for Using Fuel, Coolant and Lubricants According to Ambient Temperature
440
Recommended Brands and Qualities Other than Komatsu Genuine Oils
442
Index
443
4
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Komatsu WA320-8 Specifications
General
Brand
Komatsu
Model
WA320-8
Category
Front End Loaders
Language
English
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