![background image](http://html.mh-extra.com/html/echo/ppt-2620/ppt-2620_operators-manual_532512037.webp)
PPT-2620
MAINTENANCE
X7507820600
37
© 2/2017 ECHO Inc.
ENGLISH
1.
Remove spark plug and
check for fouling, worn and
rounded center electrode.
2.
Clean the plug or replace
with a new one. DO NOT
sand blast to clean.
Remaining sand will
damage engine.
3.
Adjust spark plug gap by
bending outer electrode.
4.
Tighten spark plug to 102-153 kgf•cm (89-133 in•lbf).
Cooling System
Level 2.
To maintain proper engine operating temperatures, cooling air must
pass freely through the cylinder fin area. This flow of air carries
combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the cylinder.
Parts Required:
None if you are careful.
0.65 mm (0.026 in.)