Echo CS-310 Service Manual page 71

CS-310
11-1 Troubleshooting guide (continued)
INSPECTING
Fuel system / Carburetor
Air filter
Fuel cap / strainer
Carburetor adjustment
Fuel tank/line/vent, Purge bulb
Carburetor leakage
Carburetor metering lever height
Carburetor diaphragms
Carburetor inlet needle valve
Welch plug
Crankcase pulse passage
Throttle trigger
Fuel (octane / freshness / purity)
2-stroke oil (grade / mix ratio)
Saw chain lubrication system
Oil cap
Oil tank / line / strainer
Oil tank vent
Auto-oiler
Guide bar / Oil holes
Engine
Cooling air passage
Muffler / Exhaust port
Cylinder compression
Crankcase / cylinder seal
Crankcase / Cylinder
Piston / Piston ring
Oil seal / Ball bearings
Others
Chain brake
Cushions
Chain tensioner
Saw chain
MAINTENANCE GUIDE
REFERENCES
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01
4-1
4-2
4-7
4-3 to 4-6
4-9
4-11
4-13
4-12
4-14
4-10
9-1
4-7-1
4-7-1
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7-1
7-1, 7-3, 7-4
7-2
7-5
Clean
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01
8-2
8-3
1-2, 8-1
8-4
8-4, 8-6
8-7
8-9
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01
6-1, 6-2
9-2
10-1
Replace / Sharpen
69
Inspecting first.