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© 2011 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 525747 REV12Sep2012
680GC SERVICE MANUAL
CRANKCASE ASSEMBLY
For saws with serial numbers starting 967.
(see page 16 for serial number starting 977)
KEY
DESCRIPTION
TORQUE
LOCTITE
®
PART NUMBER
Nm
in‑lbs.
242
1
FUEL LINE GROMMET, CRANKCASE
73390
2 & 5
CRANKCASE ASSEMBLY, RIGHT & LEFT
528653
3
CRANKCASE DOWEL PIN
73281
4
CRANKSHAFT BEARING
73209
7
CHOKE LEVER SPLIT PIN
73927
8
CRANKCASE GASKET
73934
9
CRANKCASE BOLT
7.8
69
X
73930
10
WASHER
73897
11
CHAIN GUARD
528657
12
BAR MOUNT PAD SPACER
71740
13
COVER GUARD MOUNTING BOLT
7.8
69
X
73397
14
SCREW
4.9
43
X
73379
15
BAR MOUNTING STUD
11.8
104
73933
16
SCREW
7.8
69
73284
17
BAR MOUNT PAD COVER PLATE
71738
18
PREMIUM TENSIONER KIT
73935
19
TENSIONER SCREW RETAINER
73936
20
CHOKE LEVER
530469
21
CRANKCASE GROMMET, RIGHT SIDE
531107
22
CHOKE LEVER BUSHING
73955
4. SPARE PARTS DIAGRAM