Echo CS-620 Service Workshop Manual Repair
Echo CS-620 Service Workshop Manual for the Repair and service of 620 chainsaws including the CS-620P, CS-620XS models. The PDF manual has diagrams and detailed information to troubleshoot and repair the chainsaw. View free page images online or download a complete PDF that you can easily save, print or view on all devices.
Contents of Echo CS-620 Workshop Manual
Introduction, Specifications, Clutch, Engine, Ignition system, Rewind starter, Throttle control, Fuel system, carburetor, Av system, Shaft, tool drive, Support frame, Special servicing tools and aids.
Echo CS-620 Chainsaw Specifications
Check service manual, available from this website for full specifications.
Carburetor-Echo OEM- A021004150 part number (Walbro HDA-316 Carburetor)
Dimensions
Length mm(in)- 448 (17.64)
Width mm(in)- 245 (9.65)
Height mm(in)- 292 (11.50)
Dry weight*- kg(lb)- 5.9 (13.0)
Engine
Type- KIORITZ, air-cooled, two-stroke, single cylinder Ventilated piston, Semi-automatic decompression.
Rotation- Clockwise as viewed from the output end.
Displacement- cm3(in3)- 59.8 (3.649)
Bore- mm(in)- 45.0 (1.772)
Stroke- mm(in)- 37.6 (1.480)
Compression ratio- 6.8
Carburetor
Type- Diaphragm horizontal-draught
Model- Walbro HDA-316
Venturi size-Throttle bore mm(in)- 15.08 – 19.03 (0.594 – 0.749)
Ignition
Type- CDI (Capacitor discharge ignition) system (Digital magneto)
Spark plug- BPM8Y
Exhaust
Muffler type- Spark arrester muffler
Starter
Type- Automatic rewind
Rope diameter x length mm(in)- 4.0 x 950 (0.15 x 37.4)
Fuel
Type- Premixed two-stroke fuel
Mixture ratio- 50 : 1 (2 %)
Gasoline- Minimum 89 octane gasoline
Two-stroke air cooled engine oil- ISO-L-EGD (ISO/CD13738), JASO M345-FC/FD
Tank capacity- L (U.S.fl .oz.)- 0.57 (19.3)
Clutch
Type- Inboard clutch : Centrifugal, 3-shoe slide with 3-tension spring.
Guide bar / Saw chain lubrication type
Automatic with volume adjuster
Tank capacity, oil L (U.S.fl .oz.)- 0.3 (10.1)
Sprocket
Type- Floating rim
Number of teeth- 7
Pitch- in 3/8
* Without guide bar and saw chain.
Engine Displacement (cc) 59.8
Engine Displacement (cu in) 3.65
Available Bar Lengths (in / cm) 16, 18, 20, 24 / 40.64, 45.72, 50.80, 60.96
FEATURES
Aluminum handle with rubber over-mold for improved comfort
59.8 cc professional-grade, 2-stroke engine for outstanding performance
Automatic, adjustable clutch-driven oiler for reduced oil consumption
Available in 16″, 20″, 24″, and 27″ bar lengths
Decompression valve for easy starting
G-Force Engine Air Pre-CleanerTM for reduced air filter maintenance
Performance Cutting System™ – upgraded bar and aggressive chain for improved cutting performance play Two-piece flocked air filter for easy cleaning.
Echo CS-620 Service Workshop Manual PDF
* Online preview