Maintenance Guide; Service Intervals - Echo PB-251 Service Manual

PB-251

8-1 Service intervals

Check point
Screws, bolts, and nuts
Air filter
Carburetor
Fuel leaks
Fuel line
Choke system
Cooling system
Spark plug
Fuel strainer
Leads and connections
Fuel tank
Muffler and exhaust port
Starter rope
Daily: Checking in every services.
IMPORTANT: Service intervals shown above are maximum. Actual use and your experience will determine
the frequency of required maintenance.
* Inspect after every refuel.

MAINTENANCE GUIDE

Service Reference
Inspect / Retighten / Replace
Clean
Inspect / Replace
Inspect / Replace 5-6, 5-10, 5-11
Inspect / Repair
Inspect / Repair
Inspect / Clean / Replace
Inspect / Clean
Clean / Regap
Inspect / Replace
Clean / Replace
Inspect / Repair 3-6, 3-7, 4-2
Clean inside.
Clean
Inspect / Clean 2-1, 2-3, 2-4
3 months
Daily
100 hours
5-1
5-1
5-2, 5-3 *
5-4
7-2
3-3
3-3
5-2
7-3
49
Intervals
6 months
or or
300 hours