Echo CS-3500 User Manual
Page 4
1-3 Torque limits
Descriptions
Size
kgf•cm
N•m
Crankcase
M 5
70 - 110
7 - 10
Engine mount
M 5
70 - 110
7 - 10
Cylinder cover
M 4 *
10 - 20
1.0 - 1.9
Intake bellows
M 5
30 - 45
3.0 - 4.4
Carburettor elbow
M 5 *
20 - 40
2.0 - 3.9
Clutch hub
LM 8
300 - 400
30 - 39
Chain catcher
M 5 *
20 - 40
2.0 - 3.9
Flywheel
M 8
200 - 240
20 - 23
Ignition coil (CDI module)
M 5 **
30 - 45
3.0 - 4.4
Spark plug
M14
130 - 170
13 - 16
Starter pawl
M 5 **
30 - 45
3.0 - 4.4
Starter case
M 4
15 - 25
1.5 - 2.4
Sprocket guard plate
M 4 *
10 - 20
1.0 - 1.9
Muffler
M 5
50 - 75
4.9 - 7.3
Cushion Front handle
M 4 **
10 - 15
1.0 - 1.4
Engine cover front
M 4 *
20 - 40
2.0 - 3.9
Engine cover rear
M 4
15 - 25
1.5 - 2.4
Auto-oiler
M 4
15 - 25
1.5 - 2.4
Throttle latch
M10
6 - 10
0.6 - 0.9
Front handle
M 5 *
15 - 25
1.5 - 2.4
Handle assembly
M 4
12 - 18
1.2 - 1.7
M 5
20 - 35
2.0 - 3.4
M 5 *
20 - 40
2.0 - 3.9
Guide bar
M 6
90 - 110
9 - 10
Regular bolt, nut,
M 3
6 - 10
0.6 - 0.9
and screw
M 4
15 - 25
1.5 - 2.4
M 5
25 - 45
2.5 - 4.4
M 6
45 - 75
4.5 - 7.3
* Tapping screw
** Apply thread locking sealant
LM: Left-hand thread
Material
Location
Remarks
Adhesive
Ball bearing outer / crankcase Loctite #675, RC #75 or equivalent
Grease
Auto-oiler worm
Clutch needle bearing
Cushion, inside
Lithium based grease
Oil seal lip
Rewind spring
Chain brake (metal contact part)
Molybdenum grease (approx. 1 gram)
Liquid gasket
Crankcase seams
Loctite #518 or equivalent
Thread locking sealant
Ignition coil screws
Starter pawl screws
Loctite #222, ThreeBond #1342, #1344
Cushion screws (Front handle)
or equivalent
1-4 Special repairing materials
4
SERVICE INFORMATION
CS-3500