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imll iii iii ilnl iii
i. MAINTENANCE CHART
22
Complete machine
Throttle trigger, safety throttle lock, stop switch
Filter in fuel tank
Fuel tank
Chain oil tank
Chain lubrication
Saw chain
Guide bar
Air filter
Visual inspection (condition, leaks)
Clean
Check operation
Clean Felt
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Replace pick-up -- when clogged or dirty
X
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:Clean . " x
, ,.,
Clean x
Check x
Inspect (sharpness, wear, damage) x x
Check chain tension x x
Sharpen -- when dull
Inspect (wear, damage) x
Clean x
Lubricate sprocket nose . x
Deburr x
Replace -- when worn or damaged
Chain sprocket Check x
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Clean x
Replace -- when worn or damaged
Exhaust ports
Cylinder fins
Carburetor
Spark plug
All accessible screws and nuts
(not adjusting screws)
Vibration mounts
Spark arrestor screen
Clean
Clean
Check idle adjustment-
chain must not turn
Readjust idle -- when chain turns at idle
Replace -- when fouled or damaged
Retighten
Inspect (tears, rips, separation, out-of-round)
Replace - when necessary
Clean -- when clogged or dirty
Replace-- when worn or damaged
X
X