30/ENGINE - WORK ON INDIVIDUAL PARTS
122
18.30
Checking the clutch
–
Dismantle the antihopping clutch. (
0
0
9
9
0
0
bk
bk
0
0
7
7
0
0
1
1
0
0
2
2
0
0
3
3
0
0
4
4
0
0
5
5
0
0
6
6
0
0
8
8
0
0
bl
bl
0
0
bm
bm
0
0
bn
bn
0
0
bo
bo
300123-01
–
Check pressure piece
for damage and wear.
» If there is damage or wear:
–
Replace the pressure piece.
–
Check axial bearing
for damage and wear.
» If there is damage or wear:
–
Change the axial bearing.
–
Place push rod
on a level surface and check it for run-out.
» If there is run-out:
–
Change the push rod.
–
Check the length of clutch springs
.
Clutch spring - length
31.5… 33.5 mm (1.24… 1.319 in)
» If the clutch spring length is less than the specified value:
–
Change all clutch springs.
–
Check the contact surface of pressure cap
for damage and wear.
» If there is damage or wear:
–
Change the pressure cap.
–
Check the contact surfaces of the clutch facing discs in the outer clutch hub
for wear.
Clutch cage - contact surface of clutch facing discs
≤
0.5 mm (
≤
0.02 in)
» If the contact surface is very worn:
–
Change the clutch facing discs and the outer clutch hub.
–
Check needle bearing
and supporting plate
for damage and wear.
» If there is damage or wear:
–
Replace the needle bearing and supporting plate.
–
Check intermediate discs
for damage and wear.
Summary of Contents for 690 SMC 2008
Page 1: ...REPAIR MANUAL 2008 690 SMC EU 690 SMC AUS UK 690 SMC USA Article no 3206042en...
Page 2: ......
Page 185: ...183...
