Get the Komatsu PC20-6, PC30-6, PC40-6 Hydraulic Excavator Shop Repair Manual today! This comprehensive PDF file download covers all the essential features you need to keep your excavator running at its best. With expert guidance and detailed instructions, you can maintain your machine with confidence. Improve your productivity and minimize downtime with this essential resource.
Shop Repair Models Covered:
Komatsu PC20-6 (24001 and up)
Komatsu PC30-6 (10001 and up)
Komatsu PC40-6 (10001 and up)
Shop Repair Manual Contents:
10 STRUCTURE AND FUNCTION
Power train Swing circle
Swing machinery Sprocket
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
Track frame and recoil spring
Idler....
Track roller Track shoe
Hydraulic piping
Hydraulic circuit schematics Hydraulic circuit diagram. Hydraulic tank
Hydraulic triple gear pump 6-spool control valve 2-spool control valve 3-spool control valve
Center swivel joint
Swing motor....
Travel motor
(with reduction gear)
Valve control
Work equipment
Electrical circuit diagram ...
Table of judgement standard valve. Testing and adjusting tool list Adjusting valve clearance
(PC20,30-6)
Adjusting valve clearance (PC40-6) Measuring compression pressure... Testing and adjusting fuel
injection timing (PC20,30-6) Testing and adjusting fuel
injection timing (PC40-6) Bleeding air from hydraulic cylinder Measuring and adjusting hydraulic pressure
Swing circle
Swing machinery
Sprocket.....
Track frame and recoil spring
Idler.
Track roller
Track shoe
Triple gear pump
Swing motor
Travel motor brake valve
6-spool control valve
2-spool control valve 3-spool control valve Hydraulic cylinder Work equipment
Measuring hydraulic pressure
of acceleration circuit (PC30,40-6)...
Measuring discharge amount of pump...
Measuring oil leakage from swing,
travel motors.....
Testing for leakage of oil from
center swivel joint (PC20-6) Testing for leakage of oil from
center swivel joint (PC30-6) Testing for leakage of oil from center swivel joint (PC40-6) Measuring leakage from hydraulic cylinders
Method of reading manual Table of special tools. STARTING MOTOR Removal Installation ALTERNATOR Removal Installation WATER PUMP Removal Installation
FUEL INJECTION PUMP Removal
Installation
NOZZLE HOLDER
Removal
Installation
CYLINDER HEAD
Removal (PC20,30-6)
Installation (PC20,30-6) Removal (PC40-6) Installation (PC40-6). HYDRAULIC OIL COOLER
Removal
Installation
RADIATOR
Removal
ENGINE
Removal (PC20,30-6) Installation (PC20,30-6)..
Removal (PC40-6) Installation (PC40-6). SWING CIRCLE
Removal
Installation
SWING MACHINERY Removal
SPROCKET
Removal
RECOIL SPRING
ARM CYLINDER
Disassembly
30-44
Removal
30-62
Assembly
30-44
Installation
30-62
BUCKET CYLINDER
30-46
Removal
30-62
Installation
30-46
Installation
30-62
HYDRAULIC PUMP
BLADE CYLINDER
Removal
30-46
Removal
30-64
Installation
30-46
Installation
30-64
6-SPOOL CONTROL VALVE
BOOM SWING CYLINDER
Removal
30-48
Removal
30-64
Installation
30-48
Installation
30-64
Installation
3-SPOOL CONTROL VALVE
Disassembly (PC20,30-6) Assembly (PC20,30-6).. Disassembly (PC40-6) Assembly (PC40-6). REVOLVING FRAME
HYDRAULIC CYLINDER
Removal
30-48
Disassembly
30-66
Installation
30-48
Assembly
30-68
2-SPOOL CONTROL VALVE
Replacing hydraulic cylinder
Removal
30-48
piston ring
30-70
Installation
30-48
WORK EQUIPMENT
Removal
6-SPOOL CONTROL VALVE
Removal...
30-72
Installation TRACK SHOE
Disassembly
30-50
Installation
30-72
Assembly
30-50
BLADE
3-SPOOL CONTROL VALVE
Removal
30-72
Disassembly
30-52
Installation
30-72
Assembly
30-52
BUCKET
SWING MOTOR
Removal
30-74
Removal
30-54
Installation
30-74
IDLER, RECOIL SPRING Removal Installation
Installation
30-54
ARM
Disassembly
30-55-1
Removal
30-74
Assembly
30-55-3
Installation
30-74
CENTER SWIVEL JOINT
ARM, BUCKET
Removal
30-55-5
Removal
30-76
Installation
30-55-5
Installation
30-76
Disassembly (PC20,30-6)
30-56
BOOM
Assembly (PC20,30-6)
30-56
Removal
30-76
Disassembly (PC40-6)
30-58
Installation
30-76
30-58
FLOOR FRAME
Removal
30-78
Removal
30-60
Installation
30-78
30-60
Disassembly (PC20-6)
30-61-1
Assembly (PC20-6)
30-61-13
Removal Installation
TRACK ROLLER Removal
Installation
Installation
40 MAINTENANCE STANDARD
Assembly (PC40-6)
TRAVEL MOTOR
Installation
PDF File Size: 16 MB
➤ Total Pages: 345
➤ File Format: PDF
➤ Language: English
➤ File Download: Instant after purchase
MAKE SURE YOUR EMAIL ADDRESS IS CORRECT. DON’T FORGET TO CHECK SPAM / JUNK IF CAN’T FIND THE DOWNLOAD LINK IN YOUR EMAIL INBOX IMMEDIATELY.
: File Format - PDF (Portable Document Format)
: Manual Images - (High-Quality PDF)
: Printable - Entire Manual
: Compatible - All versions of Windows, ios, android
: The manual includes - Bookmarks, Searchable Text, Wiring, and Hydraulic Schematics
: Download - You will receive the PDF manual in your email after the purchase