Wall Mounting; Chain Tension Adjustment - Craftsman CMCCSL621 Instruction Manual

20v max* chainsaw lopper
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Charger Cleaning Instructions

WARNING: Shock hazard. Disconnect the charger
from the AC outlet before cleaning. Dirt and grease
may be removed from the exterior of the charger using
a cloth or soft non‑metallic brush. Do not use water or
any cleaning solutions.

Wall Mounting

Some CRAFTSMAN chargers are designed to be wall
mountable or to sit upright on a table or work surface.  If wall
mounting, locate the charger within reach of an electrical
outlet, and away from a corner or other obstructions which
may impede air flow. Use the back of the charger as a
template for the location of the mounting screws on the wall.
Mount the charger securely using drywall screws (purchased
separately) at least 1" (25.4 mm) long, with a screw head
diameter of 0.28–0.35" (7–9 mm), screwed into wood to an
optimal depth leaving approximately 7/32" (5.5 mm) of the
screw exposed. Align the slots on the back of the charger
with the exposed screws and fully engage them in the slots.
VersaTrack™

WARNING: Do not charge batteries while charger is
hung on Trackwall.
CRAFTSMAN chargers can be stored on CRAFTSMAN
VersaTrack™ Trackwall. Hooks and accessories are sold
separately. Please refer to the VersaTrack™ Trackwall accessory
sheet for further information.
SAVE THESE INSTRUCTIONS FOR
FUTURE USE
ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An
accidental start‑up can cause injury.

WARNING: Read and understand all instructions.
Failure to follow all instructions listed below may result
in electric shock, fire and/or serious personal  injury

WARNING: Sharp moving blade. To prevent accidental
operation, ensure that battery is removed from the tool
before performing the following operations. Failure to
do this could result in serious personal injury.

WARNING: Sharp moving blade. Always wear
protective gloves when installing or removing the
chain. The chain is sharp and can cut you when it is
not running.

Chain Tension Adjustment


WARNING: Before chain or other adjustments, ensure
that battery is removed from the tool.
If the chain cannot be correctly tensioned, it may need to be
replaced. Contact your nearest service center.
The product comes already assembled. However we
recommend that you check the tension of the chain, and
chain retention bolts before use and, if required, adjust.
Checking and Adjusting the Chain Tension
(Fig. D, E)
To tension the chain loosen the two chain cover retention
bolts 
 10 
on the chain saw chain access cover 
wrench 
 11 
and the automatic chain tensioning device will
push the chain bar out, setting the correct tension. Retighten
the two retention bolts securely.
Check that the correct tension has been set by lightly pulling
on the chain. The tension is correct when the chain snaps
back after being pulled 1/8" (3 mm) away from the guide bar.
There should be no "sag" between the guide bar and chain
on the underside.
nOTE: Do not over tension the chain as this will lead to
excessive wear and reduce the life of the bar and chain. It will
also lead to reduced product performance.
nOTE: With first use and when the chain is new, check
tension frequently as a new chain stretches slightly.
Replacing the Chain and Chain Bar
After prolonged use the chain and / or chain bar may
need replacing.
Low‑Kickback saw chain is a chain which has met the
kickback performance requirements of ISO 9518: 1998 when
tested on the representative sample of chain saw.
Removing the Saw Chain and Chain Bar
(Fig. D, F, G)

WARNING: Before chain or other adjustments, ensure
that battery is removed from the tool.

WARNING: Laceration hazard. Always wear protective
gloves when installing or removing the chain. The
chain is sharp and can cut you when it is not running.

WARNING: Burn hazard. The chain guide bar and
chain may become hot during use. Allow to cool before
adjustment or removal.
1. Place the tool on a firm surface.
2. Rotate the two retention bolts 
with wrench 
 11 
provided and remove completely.
3. Remove the chain access cover 
4. Open the handles and pull back the top chain cover
jaw 
 1 
.
5. Pull back chain guide bar 
chain 
 13 
out of the groove 
chain can then be removed from the unit.
6. The chain bar can then be angled up.
Assembling the Chain Bar and Saw Chain
(Fig. D, F–H)

WARNING: Before chain or other adjustments, ensure
that battery is removed from the tool.

WARNING: Always wear protective gloves when
installing or removing the chain. The chain is sharp and
can cut you when it is not running.
1. Ensure the operation is carried out on a firm surface.
English
 12 
with the
 10 
counter clockwise
 12 
.
 3 
and then lift the saw
 14 
in the guide bar. The
11

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