Black & Decker CCS818 Instruction Manual page 11

• Remove sprocket cover (10) a nd allen head screws (11).
• Cut t heplastic w ire tieholding t he guide bar s cabbard (12) t othe
guide bar(8).Besure tocutaway f rom yourself toprevent injury i f
cutting i nstrument should s lip.
•
Wearing protective gloves, grasp the saw chain (9) and guide bar
(8) with one hand and pull the guide bar scabbard (12) off with your
free hand.
• Place the saw chain and guide bar assembly around the sprocket
(19). Check to make sure that the slot (20) in the guide bar (8) is
over the two location pins (21) shown in figure E and that the hole
below the slot is located over the adjustment pin (22).
• Replace sprocket cover (10) and thread allen head screws (11) in
with wrenchuntilsnug, then back wrench off one full turn.
• Cut the plastic wire tie holding the saw chain to the guide bar. Be
sure to cut away from yourself to prevent injury if cutting instrument
should slip.
• Pull bar nose up and keep it up as you adjust tension.
• With the flat screwdriver end of the wrench provided rotate the
tension adjustment screw (23) in the front of the housing clockwise
to increase the chain tension as in figure F.
• Follow instructions in "Adjusting Chain Tension" section.
• While still holding the bar nose up, tighten the rear allen screw first,
then tighten the front allen screw. Make sure both allen screws are
securely tightened. Do notovertighten.
• When the chain is new check the tension frequently (after
disconnecting battery) during the first 2 hours of use as a new
chain stretches slightly.
Replacing the Saw Chain
z_ 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 battery is disconnected from the tool
before performing the following operations. Failure to do this
could result in serious personal injury.
• Place the saw on a firm surface. Rotate the two allen head screws
11
(11) counterclockwise with the wrench (13) provided as shown in
figure E.
• To remove the saw chain (9), rotate the tension adjustment screw
(23) in the front of the housing using the flat screwdriver end of the
wrench (13) as shown in figure F. Turning the screw
counterclockwise allows the guide bar to recede and reduces the
tension on the chain so that it may be removed.
• Remove sprocket cover (10) and allen head screws (11).
• Lift the worn saw chain (9) out of the groove in the guide bar (8).
• Place new chain in groove of guide bar making sure saw teeth are
facing correct direction by matching arrow on chain with graphic on
housing shown in figure G.
• Place the saw chain and guide bar assembly around the sprocket
(19). Check to make sure that the slot (20) in the guide bar (8) is
over the two location pins (21) shown in figure E and that the hole
below the slot is located over the adjustment pin (22).
• Replace sprocket cover (10) and thread allen head screws (11) in
with wrench untilsnug, then back wrench off one full turn.
• Pull bar nose up and keep it up as you adjust tension.
• Rotate the tension adjustment screw (23) in the front of the housing
clockwise to increase the chain tension as in Figure F.
• Follow instructions in "Adjusting Chain Tension" section.
• While still holding the bar nose up, securely tighten the rear allen
screw (11) first, then tighten the front allen screw.
• When the chain is new check the tension frequently (after
disconnecting battery) during the first 2 hours of use as a new chain
stretches slightly.
AdjustingChain 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.
Z_WARNING: Sharp moving chain. To prevent accidental
operation, insure that battery is disconnected from the tool
before performing the following operations. Failure to do this
could result in serious personal injury.
• With the saw still on a firm surface check the chain tension. The
tension is correct when the chain snaps back after being pulled