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16
© 2011 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 525747 REV12Sep2012
680GC SERVICE MANUAL
CRANKCASE ASSEMBLY
4
12
10
8
9
13
9
18
17
16
11
14
20
21
19
5
4
7
9
15
For saws with serial numbers starting 977.
(see page 15 for serial number starting 967)
KEY
DESCRIPTION
TORQUE
LOCTITE
®
PART NUMBER
Nm
in‑lbs.
242
1
FUEL LINE GROMMET, CRANKCASE
73390
2
CRANKCASE ASSEMBLY, RIGHT & LEFT
545967
3
CRANKCASE DOWEL PIN
73281
4
CRANKSHAFT BEARING
545969
5
CHOKE LEVER SPLIT PIN
73927
6
O-RING
71748
7
CRANKCASE GASKET
545968
8
CRANKCASE BOLT
7.8
69
X
73930
9
WASHER
73897
10
CHAIN GUARD
528657
11
BAR MOUNT PAD SPACER
71740
12
COVER GUARD MOUNTING BOLT
7.8
69
X
73397
13
SCREW
4.9
43
X
73379
14
BAR MOUNTING STUD
11.8
104
73933
15
SCREW
7.8
69
73284
16
BAR MOUNT PAD COVER PLATE
71738
17
PREMIUM TENSIONER KIT
73935
18
TENSIONER SCREW RETAINER
73936
19
CHOKE LEVER
530469
20
CRANKCASE GROMMET, RIGHT SIDE
531107
21
CHOKE LEVER BUSHING
73955
4. SPARE PARTS DIAGRAM