Torque Limits; Special Repairing Materials - Echo CS-370ES Service Manual

4

1-3 Torque limits

Descriptions
Starter Starter pawl
system
Starter case
Ignition Magneto rotor (Flywheel)
system
Ignition coil
Ignition switch
Spark plug
Fuel Carburetor
system
carburetor elbow
Intake bellows
Clutch Clutch hub
Engine Crankcase***
Engine mount
Muffler
Cylinder cover
Others Auto-oiler
Front handle
Rear handle assembly
Handle lid
Brake lever (Hand guard)
Sprocket guard plate
Chain catcher
Guide bar
Regular bolt, nut,
and screw
LM: Left-hand thread
*** The torque differences among four bolts should not exceed 20 kgf•cm (2N•m, 17in•lbf) on crankcase

1-4 Special repairing materials

Material
Adhesive
Liquid gasket
Grease
SERVICE INFORMATION
Size
M 5
M 5**
M 8
M 5
M 14
M 14
M 5
M 5**
M 5
LM 10
M 5*
M 5
M 5
M 5
M 4
M 5**
M 5
M 4
M 4
M 5**
M 4**
M 4**
M 5
M 8
M 3
M 4
M 5
M 6
*Apply thread locking sealant (See below)
Location
Ball bearing outer / crankcase
Pulse pipe joint
Cushions
Crankcase seams
Auto-oiler worm
Clutch needle bearing
Handle cushions
Rewind spring
Starter center shaft
Chain brake (metal contact part)
kgf•cm
40 - 60
25 - 35 2.5 - 3.5
250 - 290 25 - 29
40 - 60
15 - 30 1.5 - 3
150 - 170 15 - 17
30 - 45
20 - 30
30 - 45 3.0 - 4.5
300 - 400 30 - 40
70 - 110
70 - 110
80 - 110
25 - 45 2.5 - 4.5
20 - 35 2.5 - 3.5
45 - 65 4.5 - 6.5
30 - 50
35 - 50 3.5 - 5
10 - 20
10 - 20
45 - 65 4.5 - 6.5
10 - 20
45 - 60 4.5 - 6
200 - 230 20 - 23
6 - 10 0.6 - 1
15 - 25 1.5 - 2.5
25 - 45 2.5 - 4.5
45 - 75 4.5 - 7.5
** Tapping screw
Loctite #675 or equivalent
Loctite #424, ThreeBond #1741 or equivalent
Loctite #515 or equivalent
Lithium based grease
Molybdenum grease (approx. 1 gram)
CS-370ES
CS-420ES
N•m in•lbf
4 - 6 35 - 50
22 - 30
220 - 250
4 - 6 35 - 50
13 - 26
130 - 150
3 - 4.5 26 - 40
2 - 3 17 - 26
26 - 40
260 - 350
7 - 11 60 - 95
7 - 11 60 - 95
8 - 11 70 - 95
22 - 40
17 - 30
40 - 55
3 - 5 26 - 45
30 - 45
1 - 2 9 - 17
1 - 2 9 - 17
40 - 55
1 - 2 9 - 17
40 - 52
175 - 200
5 - 9
13 - 22
22 - 40
40 - 65
Remarks