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© 2017 ICS®, Blount International Inc. REV072517 P/N 566594
890F4 OPERATOR MANUAL
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Unpacking & Assembly
GUIDEBAR AND DIAMOND CHAIN
INSTALLATION & TENSIONING
STEP 4
Place the bar onto the studs
without engaging tensioner pin.
Assure bar is in contact with the
drive sprocket.
STEP 5
Install the chain around the drive
sprocket and then around the nose
sprocket before inserting into the
bar groove.