Echo CS-3050 - Manual (Page 2)

2
SERVICE INFORMATION
CS-3000 CS-3050
CS-3400 CS-3450
1 SERVICE INFORMATION
1-1 Specifications
*Without guide bar and saw chain. Gauge in 0.050
Cutting devices North America
Guide bar Type 12A0CD3745 14A0CD3752 16A0CD3757
Called length in 12 14 16
Gauge in 0.050
Saw chain Type 91SG-45X 91SG-52X 91SG-57X
Pitch in 3/8 Low profile
Gauge in 0.050
Cutting devices Other than North America
Guide bar Type 30RC50-3/8 35RC50-3/8 40RC50-3/8
Called length cm 30 35 40
Gauge in 0.050
Saw chain Number of drive links 47 53 58
Pitch in 3/8 Low profile
Gauge in 0.050
Model CS-3000 CS-3050 CS-3400 CS-3450
Dimensions Length* mm(in) 260 (10.2) 380 (15.0) 260 (10.2) 380 (15.0)
Width mm(in) 230 (9.1) 230 (9.1) 230 (9.1) 230 (9.1)
Height mm(in) 220 (8.7) 245 (9.6) 220 (8.7) 245 (9.6)
Dry weight* kg(lb) 3.2 (7.1) 3.3 (7.3) 3.3 (7.3) 3.4 (7.5)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Two-piece casting, Reed valve
Rotation Clockwise as viewed from the output (PTO) end
Displacement cm 3 (in 3 ) 30.1 (1.836) 33.4 (2.037)
Bore mm(in) 37.0 (1.457) 39.0 (1.535)
Stroke mm(in) 28.0 (1.102) 28.0 (1.102)
Compression ratio 7.0 : 1 7.0 : 1
Carburetor Type Diaphragm (Walbro WT type)
Ignition Type CDI (Capacitor discharge ignition) system
in a single integrated piece
Spark plug BPMR7A, BPM7A, CJ-7Y
Starter Type Automatic rewind
Rope diameter x length mm(in) 3.0 x 850 (0.12 x 33.5)
Fuel Type Premixed two-stroke fuel (Refer to operator's manual.)
Tank capacity cm 3 (U.S.fl.oz.) 250 (8.5)
Clutch Type Centrifugal, 3-shoe slide
Guide bar / Saw chain lubrication type Automatic with volume adjuster
Tank capacity, oil cm 3 (U.S.fl.oz.) 150 (5.0)
Handles Location Front / Top Front / Rear Front / Top Front / Rear
Sprocket Type Spur
Number of teeth 6
Pitch in 3/8