Name: Kobelco SK210-8, Acera Mark 8 Shop Manual with Wiring Diagrams
Author: Kobelco

A downed SK210-8 excavator traced to its real fault from Kobelco's own data is what the 909 pages of this Kobelco SK210-8, Acera Mark 8 shop manual PDF (OEM ID YN91ZU0007P1 NA) buy you. Color-coded hydraulic circuits trace oil through the neutral, travel, boom, arm, bucket and swing paths, and the electrical chapter lays out the full circuit diagram plus every harness from cab to boom lights. Troubleshooting claims a big slice of the book, sorted by error code, by symptom and by Mechatro diagnosis mode, while the travel chapter covers idler, roller, sprocket and swing bearing removal. Gauge the main pump against its 34.3 MPa (4980 psi) rated pressure and 37.8 MPa (5480 psi) with ATT boost before you condemn it. A made-up relief figure can split a hose. Bookmarks and a searchable text layer get you from error code to answer quickly, so the machine is digging again next shift.

What's Inside This Manual

System	Pages	Key Topics
Safety	13-18	General Safety Information, Safety Precautions
Outline	19-26	General Precautions for Making Repairs
Specifications	27-40	Name of Components (SK210-8: Standard Arm Bucket Shoe, Long Arm Bucket Shoe), Weight of Components
Attachment Dimensions	41-52	Boom (Dimensional Drawing, Maintenance Standard), Arm (Dimensional Drawing, Bucket and Pin (Dimensional: Drawing, Table)
Tools	53-72	Standard Torque Specifications for Capscrews and Nuts, Screw Size (Capscrew, Socket Set Screw), Torque Specifications for Hose and Fittings (Joint, Hydraulic Hose, Split Flange)
Standard Maintenance Timetable	73-88	Standard Working Time Table
Maintenance Standard and Test Procedure	89-118	How to Use the Maintenance Standard, Performance Inspection Standard Table, Measurement of Engine Speed
Mechatro Control System	119-176	Summary of Mechatro Control System (Mechatro Control System in General, Unload Valve Control, Positive Control & P-Q Control)
Hydraulic System	177-214	Summary, Hydraulic Circuits and Components, Color Coding Standard for Hydraulic Circuits, Neutral Circuit, Travel Circuit, Bucket Circuit, Boom Circuit, Swing Circuit
Electrical System	215-252	Electric Circuit Diagram, Electrical Equipment List
Components System	253-372	Hydraulic Components (Hydraulic Pump, Regulator, Control Valve)
Air Conditioner System	373-420	Basic Air Conditioner System (Air Cycle, Auto Air Conditioner System Outline), Component and Construction, Piping (Air Conditioner, Receiver Dryer Assy)
Disassembling Section	421-466	Disassembly and Assembling (Disassembly & Assembly Overview, Torque Specifications)
Upper Structure	467-630	Operator Seat (Cab, Battery, Guard), Fuel Tank, Hydraulic Tank, Hydraulic Pump, Counterweight, Radiator & Oil Cooler, Control Valve, Swing Motor Unit, Swivel Joint, Upper Frame
Travel System	631-696	Removing and Installing (Travel System, Crawler, Upper Roller), Removal and Installation of Travel Motor Unit
Troubleshooting Section	697-798	Troubleshooting (Evaluation of Actual Problem at the Site, Classification of Failure and Troubleshooting, Mechatro Controller Blown Fuse, By Error Code), Hydraulic System, Electric Systems, Engine Related Troubleshooting, Trouble Diagnosis Mode
Engine Section	799-909	Engine (Diagnostics, L T/a Engine Overhaul, Recharging and Start-Up), Connecting Rods, Cylinder Head, Valves and Valve Seats

Quick Reference Specifications

Specification	Value	Page
CN101 Pin 3 Power output	5V	p. 21
CN106 Pin 3 Accel motor A phase output current	1.5A	p. 258
Main pump rated pressure	34.3 MPa (4980 psi)	p. 256
Main pump ATT boost pressure	37.8 MPa (5480 psi)	p. 256
Rated output torque	20100 / 34200 N·m (14800 / 25200 lbf·ft)	p. 327
Working revolution	48.2 / 29.6 min-1	p. 327
Pressure sensor (High pressure) tightening torque	73.5 N·m (54.2 lbf·ft)	p. 366
Pressure sensor (Low pressure) tightening torque	29.4~34.3 N·m (21.7~25.3 lbf·ft)	p. 364
Swing bearing capscrew tightening torque	563 N·m (415 lbf·ft)	p. 667
Swing bearing grease fill amount	8.6kg (19 lbs)	p. 667
P1/P2 pump pressure in boom up full lever, high idling and H mode operation	32 MPa	p. 759
P1/P2 pump proportional valve secondary pressure in control lever neutral and high idling operation	0.5 to 1.0 MPa	p. 759

Brand	Kobelco
Model	SK210-8, ACERA MARK 8
Machine Type	Excavator
Manual Type	Shop Manual
Language	English
Format	Searchable PDF (Digital Download)
Pages	909
File Size	90 MB
Manual No.	YN91ZU0007P1 NA
Serial Range	YQ09U3301 ~
Wiring Diagrams	Yes
Hydraulic Schematics	Yes
Torque Specifications	Yes
Bookmarked / Indexed	Yes

Kobelco SK210-8, Acera Mark 8 Shop Manual with Wiring Diagrams

What's Inside This Manual

Quick Reference Specifications

Also available for the Kobelco SK210-8