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Echo CS-420ES Service Manual

Echo CS-420ES
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CS-370ES
CS-420ES
55
REAR HANDLE AND CONTROL SYSTEM
A
C
D
B
A
9-1 Replacing throttle latch (CS-370)
1. Remove throttle latch (A) from rear handle with
13 mm wrench.
WARNING
Always wear eye protection when using com-
pressed air for cleaning. Otherwise, eye
damage can occur from flying particles
2. Inspect throttle latch for blockage with dirt and /
or saw dust. Clean it with brush or compressed air
as required. Replace if defective.
NOTE: When installing throttle latch, do not exceed 6-10 kgf•cm (0.6-1.0 N•m) (5-9 in•lbf) of torque. If
torque exceeds this standard, throttle latch damage may occur.
9-2 Replacing cushions
1. Remove cylinder cover from the unit.
2. Remove switch bracket (Refer to “3-5 Replacing
ignition switch”). Remove air filter bracket and air
filter. Disconnect fuel lines from carburetor, and
remove carburetor from the unit.
3. Remove cushion caps (A) using needlenose pliers as
shown.
4. Remove bolts inside cushions.
5. Remove rear handle from the unit.
6. Inspect cushions (B), (C) and (D) for cracking,
wear or separation from metal part. If damaged,
replace with new cushion(s) as follows.

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Echo CS-420ES Specifications

General IconGeneral
Saw Chain Gauge0.050 inches
Fuel Capacity0.41 liters
Weight4.6 kg
Saw Chain Pitch3/8 inches
Bar Length16 inches

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