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Echo CS-420ES Service Manual

Echo CS-420ES
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61
GUIDE BAR MOUNTING SYSTEM
CS-370ES
CS-420ES
10-3 Installing guide bar stud
1. Apply adhesive (Loctite #675, or equivalent) to
un-threaded part (A) of new guide bar stud.
2. Install new stud to the stud-hole of oil tank using
a pair of tweezers (B).
3. Lightly tap square head of stud with long bar tool
(C) and hammer.
4. Install spacer [Bore: 8 to 10 mm (0.32 to 0.40
in), Height: 7 to 9 mm (0.28 to 0.35 in)] (D). Thread
M8 nut (E) clockwise onto stud. Turn nut clockwise
to pull stud through the engine housing mounting
hole. The square head of the stud should seat
against the oil tank wall parallel with inner ribs.
5. Look into oil tank and check if square head (F)
of the stud is properly seated inside engine cover.
If not, install two nuts to the stud and secure them
against each other.
6. Turn nut (G) counterclockwise or nut (H) clock-
wise to correct the position of the square head.
7. Repeat step 4 to seat the stud correctly in
square hollow inside engine cover.
8. Install all removed parts.
A
B
F
G
H
D
E
C

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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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