Mounting The Guide Bar And Chain; Tensioning The Chain - Stihl GTA 26 Manual De Instrucciones

13 Assembling the Garden Pruner

13.2.2 Mounting the Guide Bar and Chain

WARNING
Make sure the battery is removed before starting assembly.
Never operate your garden pruner without a properly
mounted guide bar and chain, @ 6.5. Use only guide bar
and chain combinations expressly recommended or
approved by STIHL, @ 6.4.
To mount the guide bar and chain:
► Switch off the garden pruner, @ 15.2.
► Remove the battery, @ 14.2.
► Remove the chain sprocket cover by turning the wingnut
counterclockwise.
► Position the chain in the groove of the guide bar, starting
at the tip.
► Make sure that the cutters in the groove on the top side of
the guide bar face the tip of the bar. STIHL chains are
manufactured with arrows on the tie straps to help the
operator determine the proper direction of the chain.
Arrows on the tie straps on the top of the bar must point
toward the bar tip.
0458-694-8621-A
► Point the guide bar tip away from the chain sprocket (1).
► Place the chain around the chain sprocket.
► Slide the guide bar over the collar screw (3) and pin (2).
The head of the collar screw must protrude into the oblong
hole.
► Fit the sprocket cover on the garden pruner so that it is
flush with the housing.
► Direct the drive links into the groove of the guide bar.
The guide bar and chain must be firmly and securely
mounted on the garden pruner.
► Tension the saw chain.
► Turn the wingnut clockwise until the chain sprocket cover
is firmly attached to the garden pruner.
► Close the handle of the wingnut.

13.3 Tensioning the Chain

WARNING
To reduce the risk of severe personal injury from chain
derailment, check chain tension frequently, @ 6.5. At
operating temperatures, the chain stretches and sags. New
chain tends to stretch more than used chain. Tension the
chain so that the drive links cannot come completely out of
the groove on the underside of the guide bar.
To properly tension the chain:
► Switch off the garden pruner, @ 15.2.
► Remove the battery, @ 14.2.
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