Echo CS-330T Service Manual Repair
Echo CS-330T Service Workshop Manual for the Repair and service of 330T chainsaws. The PDF manual has diagrams and acurate information to help to troubleshoot, repair and fix the Echo chainsaw. View free page images online or download a PDF manual that you can easily save, print or view on most devices.
Echo CS-330T Service Manual-Service Data
SERVICE INFORMATION
Specification, Technical data, Torque limits, Special repairing materials, Service limits., Special tools.
CARBURETOR ADJUSTMENT PROCEDURE
General adjusting rules, Presetting idle adjust screw, L mixture needle and H mixture needle, Adjusting carburetor.
See the additional carburetor manual, parts list, operator manual and technical supplements PDF download available on this website for more information on how to service and repair the chainsaw.
Echo CS-330T Chainsaw Specifications
Echo CS-330T chainsaw model carbureter type: Walbro WT-739 OEM Part Number A021001110.
Model: CS-330T
Dimensions
Length: mm(in) 277 (10.9)
Width: mm(in) 247 (9.7)
Height: mm(in) 214 (8.4)
Dry weight: kg(lb) 3.6 (7.9)
Engine
Type: KIORITZ, air-cooled, two-stroke, single cylinder
Rotation: Clockwise as viewed from the output end
Displacement: cm3(in3) 32.6 (1.989)
Bore: mm(in) 36.0 (1.417)
Stroke: mm(in) 32.0 (1.260)
Compression: ratio 7.5
Carburetor
Type: Diaphragm horizontal-draft with auto-return choke
Model: Walbro WT-739
Venturi size-Throttle bore: mm(in) 11.11 – 15.85 (0.437 – 0.624)
Ignition
Type: CDI (Capacitor discharge ignition) system with electronic timing advancer and speed governor
Spark plug: BPM8Y
Starter
Type: Automatic rewind
Rope diameter x length: mm(in) 3.0 x 920 (0.12 x 36.2)
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 FC
Tank capacity: L (U.S.fl.oz.) 0.31 (10.5)
Clutch Type: Centrifugal, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type: Automatic with volume adjuster
Oil Tank capacity: L (U.S.fl.oz.) 0.29 (9.8)
Sprocket
Type: Spur
Number of teeth: 6
Pitch: in 3/8
Cutting devices
Saw chain Type: OREGON 91VG
Pitch: (in) Low profile 3/8
Gauge: (in) 0.050
carburetor adjustment
1. Start engine and run for several minutes to reach operating temperature.
2. Stop engine.
3. Start engine and turn the high-speed needle (A) rich (CCW) until the engine runs between 13,500 and 14,500 RPM. Then turn the low-speed needle (B) rich (CCW) until the engine does not hesitate when accelerated.
DO NOT REMOVE LIMITER CAPS!
4. Idle Speed Adjustment. • Turn “idle” speed adjustment screw (C) CW until the saw chain begins to move, then turn the screw CCW until saw chain stops moving. Turn screw CCW an additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from engine then return to idle. Accelerate to full throttle to check for smooth transition from idle to full throttle.
Part NUMBER: A021001110 CARBURETOR – Walbro WT-739
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Echo CS-330T Service Workshop Manual PDF
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