Kobelco K909-II, K909LC-II Shop Manual with Wiring Diagrams

Name: Kobelco K909-II, K909LC-II Shop Manual with Wiring Diagrams
Author: Kobelco

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$49.99 USD · one-time payment

Model: K909-II | K909LC-II

Type: Hydraulic Excavator

Serial: K909-II LL-1201~ | K909LC-II LQ-1601~

531 Pages·37 MB·Searchable PDF·English·Print-Ready

✓ Wiring Diagrams
✓ Hydraulic Schematics
✓ Torque Specs
✓ Multi-Level Bookmarks (2-level navigation)

Preview Sample Pages (PDF)

Download, file and refund questions: FAQ

The Kobelco K909-II, K909LC-II shop manual PDF (OEM ID S5LQ0003E-02) takes both hydraulic excavators apart across 531 pages, from the travel reduction unit and swivel joint through the hydraulic pump, control valve and every cylinder. Hydraulic schematics trace oil from the pump through the control valve to the swing and travel motors, and wiring diagrams map the electrical system down to the cluster gauge and Intelligent Total Control System. Component overhaul fills more than half the book; troubleshooting sorts faults by drive, hydraulic, swing, travel and attachment system so you can pin a weak travel motor before a hose comes off. Expect each 23 x 17.6 x 2 mm shim to move the low pressure relief setting about 6 kgf/cm² (85 psi), and torque 22 x 3.0 mm tube fittings to 22 ± 2 kgf-m (158 ft-lbs). An excavator parked for want of one number costs your crew a day. Bookmarked, text-searchable, and yours to keep for this machine.

What's Inside This Manual

System	Pages	Key Topics
Operation and Controls	4-5	How to Index Each Shop Manual Section, List of Shop Manual
Specification	6-21	Names of Components, General Dimensions, Specifications and Performance
Location and Weight of Components	22-27	Location of Components, Weight of Components, Transportation Weight
Maintenance Standards and Test Procedures	28-59	Pressure Measurement and Adjustment, Cylinder Speed, Cylinder Oil-Tightness, Swing Performance, Travel Performance
Troubleshooting	60-83	Drive System, Hydraulic System, Swing System, Travel System, Attachment System
Working Standards	84-87	Tightening Torques for Capscrews, Nuts, And Sleeves
Systems - Drive, Hydraulic, Swing, Travel, Attachment, Control, Upper Frame, Air, Electrical	88-172	Drive System, Hydraulic System, Swing System, Travel System, Attachment System, Control System, Upper Frame, Air System
Attachments	173-192	Attachment System, Backhoe Attachments, Removing/Installing Bucket and Arm, Maintenance Standards for Attachments
Control System	193-206	Engine Control System, Travel Control System, Hydraulic Control System, Solenoid Valve, Pressure Control Valve
Upper Frame	207-220	Fuel Tank, Counterweight, Cab, Upper Frame Disassembly/Mounting
Air System	221-224	Air System Operation, Compressor, Safety Valves, Air Reservoir
Electrical System	225-238	Electrical System Diagram, Cluster Gauge Lamp, Intelligent Total Control System
Components - Reduction Unit, Hydraulic Pump, Control Valve, Hydraulic Motor, Swivel Joint, Hydraulic Cylinder	239-252	Reduction Unit, Hydraulic Pump, Control Valve, Hydraulic Motor, Swivel Joint, Hydraulic Cylinder, Hydraulic Gear Pump
Hydraulic Pump and Regulator	253-330	Hydraulic Pump, Replacement Standards of Abrasive Parts, PQ Curve of Pump, Regulator
Hydraulic Motor (Swing) and Pilot Valve	331-356	Hydraulic Motor, Fault Finding of Motor Proper, Pilot Valve
Control Valve, Swing Control Valve and Travel Brake Valve	357-436	Control Valve, Pressure Adjustment for Relief Valves, Swing Control Valve, Brake Valve (Travel)
Hydraulic Motor (Swing) and Travel Motor	437-470	Hydraulic Motor, Hydraulic Motor (Travel), Parts Maintenance Standards
Swivel Joint	471-482	Usable Limit of the Parts, Inspection Procedure and Remedy
Hydraulic Cylinder	483-502	Preparation Before Disassembly, Inspection After Disassembly
Reduction Unit (Swing and Travel)	503-531	Reduction Unit, Shim Adjusting Procedure, Functional Principle

Quick Reference Specifications

Specification	Value	Page
Low pressure relief valve pressure adjustment	about 6 kgf/cm² (85 lbs/in²) per 23x17.6x2mm shim	p. 36
Tightening Torque for Plug (152)	0.85-1.15 kgf-m (6.1-8.3 ft-lbs)	p. 395
Tightening torque for 10x1.5 mm tube size	6 ± 1 kgf-m (43.3 ± 7.2 ft-lbs)	p. 87
Tightening torque for 15x2.0 mm tube size	15 ± 2 kgf-m (108 ± 14.4 ft-lbs)	p. 87
Tightening torque of socketscrew (A)	33 ± 3.0 kgf·m (238.1 ± 21 ft-lbs)	p. 100
Tightening torque of socketscrew (C)	44 ± 0.4 kgf·m (317.5 ± 3 ft-lbs)	p. 100
Socket bolts fastening swing motor and swing reduction unit (LQ-1601~1788, LL-1201~1487)	28.5 ± 3 kgf·m (205 ± 21.6 ft-lbs)	p. 141
Socket bolts fastening swing motor and swing reduction unit (LQ-1789~, LL-1488~)	18.5 ± 2 kgf·m (133 ± 14.4 ft-lbs)	p. 141
Socket bolts fastening swing reduction unit and upper frame	55 ± 6 kgf·m (396 ± 43.3 ft-lbs)	p. 141
Valve plate and shoe plate hardness	HS78 min.	p. 466
Gap between piston and caulked part of shoe	0-0.1 mm	p. 467
Boom Cylinder Weight	220 kg (485 lbs)	p. 485

Brand	Kobelco
Model	K909-II, K909LC-II
Machine Type	Hydraulic Excavator
Manual Type	Shop Manual
Language	English
Format	Searchable PDF (Digital Download)
Pages	531
File Size	37 MB
Manual No.	S5LQ0003E-02
Serial Range	K909-II LL-1201~, K909LC-II LQ-1601~
Wiring Diagrams	Yes
Hydraulic Schematics	Yes
Torque Specifications	Yes
Bookmarked / Indexed	Yes

Kobelco K909-II, K909LC-II Shop Manual with Wiring Diagrams

What's Inside This Manual

Quick Reference Specifications

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