Adjusting Chain Tension - Black & Decker KX1693-QS Instruction Manual

• Ensure the chain is properly set in the slot
around the entire guide bar.
• Place the saw chain around the sprocket
(17) while lining up the hole in the tool-free
tension assembly with the bolt (18) in the
base of the tool as shown in figure c.
c
17
• Rotate bar until it engages the two pins
underneath and no longer easily rotates
up and down.
• Once in place, turn the tool-free tension
assembly (16) clockwise by hand to
preliminarily tighten the assembly to hold
it in place.
• While holding the bar in still, replace
sprocket cover (6). Make sure the nub
(19) on the cover lines up with the slot
(20) in the main housing as shown in
figure d. Rotate the bar adjust locking
knob (7) clockwise until snug, then
loosen knob one full turn, so the saw
chain can be properly tensioned.
d
20
19
• While holding the bar adjust locking knob
(7), rotate the chain tensioning wheel (8)
clockwise to increase tension as shown
in figure e. Make sure the saw chain (5)
is snug around the guide bar (4).
e
18

adjuSTInG cHaIn TenSIon

cauTIon: Sharp chain. always wear
protective gloves when handling the
chain. The chain is sharp and can cut you
when it is not running.
warnInG: Sharp moving chain. To
prevent accidental operation, insure that
the tool is unplugged before performing
the following operations. Failure to do this
could result in serious personal injury.
• With the saw on a firm surface, check
the saw chain (5) tension. The tension is
correct when the chain snaps back after
being pulled 1/8 inch (3mm) away from
the guide bar (4) with light force from
the middle finger and thumb as shown
in figure f. There should be no "sag"
between the guide bar and the chain on
the underside as shown in figure G.
• To adjust saw chain tension, loosen
bar adjust locking knob (7) and follow
instructions for "Installing the Guide Bar
and Saw Chain."
• Do not over-tension the chain as this will
lead to excessive wear and will reduce
the life of the bar and chain.
• Once chain tension is correct, tighten bar
adjust locking knob.
• When the chain is new, check the tension
frequently (after unplugging tool) during
the first 2 hours of use as a new chain
stretches slightly.
f
G
7