Echo CS-4200ES User Manual

SERVICE INFORMATION
CS-3700ES
CS-4200ES
4
1-3 Torque limits
Descriptions Size kgf•cm N•m in•lbf
Starter Starter pawl M5* 40 - 60 4 - 6 35 - 50
system
Starter case M4 10 - 20 1 - 2 9 - 18
Ignition Magneto rotor (Flywheel) M8 200 - 240 20 - 24 175 - 210
system
Ignition coil M5 50 - 75 5.0 - 7.5 45 - 65
Spark plug M14 150 - 170 15 - 17 130 - 150
Fuel Carburettor M5 25 - 35 2.5 - 3.5 22 - 30
system
Intake bellows M5 30 - 45 3.0 - 4.5 26 - 40
Clutch Clutch hub LM10 300 - 400 30 - 40 260 - 350
Engine Crankcase M5*
†
70 - 110 7 - 11 60 - 95
Engine mount M5 70 - 110 7 - 11 60 - 95
Muffler M5 70 - 100 7 - 10 60 - 90
Others Auto-oiler M4 15 - 25 1.5 - 2.5 13 - 22
Front handle M5** 45 - 65 4.5 - 6.5 40 - 55
Cushion Front M5 30 - 40 3 - 4 26 - 35
Rear M4 35 - 50 3.5 - 5 30 - 45
Brake lever (Hand guard) M5 25 - 45 2.5 - 4.5 22 - 40
Chain catcher M5** 20 - 40 2 - 4 18 - 35
Guide bar M8 200 - 230 20 - 23 175 - 200
Regular bolt, nut,
and screw
M3 6 - 10 0.6 - 1 5 - 9
M4 15 - 25 1.5 - 2.5 13 - 22
M5 25 - 45 2.5 - 4.5 22 - 40
M6 45 - 75 4.5 - 7.5 40 - 65
1-4 Special repairing materials
Material Location Remarks
Adhesive Ball bearing outer / crankcase Loctite #675 or equivalent
Cushion (Small : 4pcs) Loctite #424 or equivalent
Liquid gasket Crankcase seams Loctite #515 or equivalent
Thread locking sealant Starter pawl screws Loctite #242, ThreeBond 1324 or equivalent
Grease Auto-oiler worm
Clutch needle bearing
Rear handle cushion Lithium based grease
Rewind spring
Starter center shaft
Chain brake (metal contact part) Molybdenum grease (approx. 1 gram)
LM: Left-hand thread *Apply thread locking sealant (See below) ** Tapping screw
†
The torque differences among four bolts should not exceed 20 kgf•cm (2N•m, 17in•lbf) on one cylinder or
crankcase.

Echo CS-4200ES Specifications

General

Brand	Echo
Model	CS-4200ES
Category	Chainsaw
Language	English