Echo PB-251 Service Manual page 53
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Also See for PB-251:
- Operator's manual (146 pages) ,
- Service data (8 pages) ,
- Parts catalog (32 pages)
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PB-251
8-2 Troubleshooting guide (Continued)
CHECKING
Fuel system / Carburetor
Air filter
Fuel cap / strainer
Fuel tank / vent / pipe
Carburetor adjustment
Carburetor leakage
Crankcase pulse passage
Carburetor metering lever
Carburetor inlet valve
Compression / Exhaust system
Cylinder compression
Cooling air passage
Muffler / Exhaust port
Crankcase / cylinder sealings
Cylinder
Piston / Piston ring
Crankshaft
Crankcase ball bearings
Blower
Fan
Fan case
MAINTENANCE GUIDE
REFERENCES
13 12 11 10 09 08 07 06 05 04 03 02 01
5-1
5-2
5-3, 5-4
5-5
5-6
5-7
5-8
5-9
13 12 11 10 09 08 07 06 05 04 03 02 01
7-1
7-2
7-3
7-4
7-6
7-7
7-9
7-10
13 12 11 10 09 08 07 06 05 04 03 02 01
6-1
6-1
51
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Table of Contents
Troubleshooting
