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© 2011 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 525747 REV12Sep2012
680GC SERVICE MANUAL
TABLE OF CONTENTS
SERVICE MANUAL USE 2
1
TOOLS 3
2
SAW SPECIFICATIONS
4
3
SERIAL NUMBER LOCATION
5
4
SPARE PARTS DIAGRAM
(TORQUE AND LOCTITE
®
)
6
5
AIR INTAKE
25
6
SPARK PLUG
27
7
CLUTCH & RIM SPROCKET 29
8
STARTER SYSTEM 33
9
WALLWALKER
®
38
10
CYLINDER COVER
40
11
MUFFLER
43
12
CARBURETOR
47
13
CYLINDER & PISTON
49
14
WATER HOSE & CAP
58
15
IGNITION COIL 60
16
FLYWHEEL 62
17
BOTTOM GUARD
64
18
FRONT HANDLE
65
19
FUEL TANK 66
20
CRANKCASE
67
21
BAR STUDS & BAR PAD
75
22
CHAIN TENSIONER
76
23
CARBURETOR TUNING
77
24
IDLE SPEED ADJUSTMENT 80
25
TROUBLESHOOTING DIAGRAMS 81
26
TROUBLESHOOTING: FUEL SYSTEM LEAKS 83
27
TROUBLESHOOTING: CRANKCASE LEAKS
85
APPENDIX
1. SPARK PLUG REFERENCE GUIDE
86
SECTION
SECTION TITLE
PAGE NUMBER