© 2017 ICS®, Blount International Inc. REV072517 P/N 566594
890F4 OPERATOR MANUAL
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Names & Terms
ICS 890F4 NAMES AND TERMS
Baffle Drain
A device for controlling slurry and cutting debris in the side cover to
reduce chain stretch and protect the operator from other projectiles.
Bar retaining plate
The plate between the guidebar and side cover that clamps the guidebar
to prevent movement during operation.
Bar slot
The slot feature on the guidebar that fits over the bar studs.
Bystander safety zone
A 6 m (20 ft) circle around the operator that must remain free from
bystanders, children and pets.
Chain catcher
A device for retaining the chain if it breaks or derails.
Chain pitch
The distance between any three consecutive rivets on the chain divided
by two.
Chain tensioning screw
An adjustment screw used to set proper tension on the chain and
compensate for chain stretch from normal use.
Front handle
The support handle located at or toward the front of the power cutter
intended to be gripped by the left hand.
Guidebar
A railed structure that supports and guides the chain. Sometimes simply
called the “bar”.
Kickback
The rapid backward and/or upward motion of the guidebar, occurring when
the chain near the top area of the nose of the guidebar contacts a foreign
object or snags in the workpiece.
Mud flap
A barrier to deflect slurry, cutting debris and other projectiles from
operator.
