General failures’ analysis
63,4 cm³ chainsaws
I
p/n 001000368B
III
III
p/n 001000005A
IV
d)
Engine seal test
•
Remove air filter, cover, air filter support,
carburetor and muffler. Cover the intake side
with insulator and exhaust side using the
special flanges supplied with Emak tool kit (
I
and
II
). Tap the impulse’s tube with a cap (
III
)
and replace the decompressor with a special
cap (
IV
)
•
The pressure has to remain stable at 0,5 bar. If
the engine looses pressure, find the leakage and
fix it. Repeat seal test