General failures’ analysis
63,4 cm³ chainsaws
I
p/n 001000392A
1) Performance
a) Compression test
b) Cylinder and piston inspection
c) Decompressor inspection
d) Cooling system cleaning
e) Muffler inspection
a) Compression test
• Apply the Emak compression
tester (I) on cylinder. Pull
energetically the rope 10
times
• Verify that the compression
value in not less than 8 bar –
130 psi
• If the value in higher than
8 bar – 130 psi, start
inspection c), if lower, carry
on with inspection b)
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