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SPECIFICATIONS
HCS-3020 4020
40
X7702243801
© 03/2019 ECHO Inc.
8.
Drain fuel tank completely. Press purge bulb 6-7 times to remove
remaining fuel from carburetor then drain the tank again. Close choke,
start and run the engine until it stops due to lack of fuel.
9.
Allow engine to cool. Remove the spark plug lead from the spark plug.
Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke
engine oil into the cylinder through the spark plug hole.
a.
Place a clean cloth over the spark plug hole.
b.
Pull the recoil starter handle 2-3 times to distribute the oil inside the
engine.
c.
Observe the piston location through the spark plug hole. Pull the
recoil handle slowly until the piston reaches the top of its travel and
leave it there.
10. Install the spark plug. Connect the spark plug lead to the spark plug.
SPECIFICATIONS
MODEL
HCS-3020
HCS-4020
Length
1098 mm (43.2in.)
1342 mm (53 in.)
Width
265 mm (10.4 in.)
Height
215 mm (8.5 in.)
Weight (dry)
5.52 kg (12.1 lb.)
5.94 kg (13.1 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline engine
Bore
32.2 mm (1.27 in.)
Stroke
26.0 mm (1.02 in.)
Displacement
21.2 cc (1.29 cu. in.)
Exhaust
Spark arrestor muffler or spark arrestor muffler with
catalyst
Carburetor
Diaphragm w/purge pump
Ignition System
Flywheel magneto, capacitor discharge ignition type
Spark Plug
NGK BPM8Y (Gap 0.65 mm [0.026 in.])
Fuel
Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio
50:1
Gasoline
Use 89 Octane unleaded. Do not use fuel containing
methyl alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as E-15 or E-
85.
Oil
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD,
two-stroke, air-cooled engine oil.