g374238
Figure 19
1. Chain tensioning screw
Adjust the chain tension until the chain touches
the bottom edge of the guide bar , then pull the
chain away from the bottom edge of the guide
bar; a properly adjusted chain can only be pulled
3.2 to 6.4 mm (1/8 to 1/4 inch) away from the
guide bar , and snaps back on release.
Note: While adjusting the chain tension, lift up
the tip of the guide bar with a gloved hand to
ensure the guide bar does not sag and af fect
chain tension.
6. Use a gloved hand to pull the chain around the
guide bar . A properly tensioned chain should
move smoothly and remain in contact with the
bottom edge of the guide bar .
7. If the chain is not properly tensioned, repeat
steps 4 through 7 .
Servicing the Guide Bar ,
Chain, and Drive Sprocket
Y early or before storage
DANGER
Contact with the pole saw teeth can cause
serious personal injury .
• Remove the battery pack before adjusting
or maintaining the pole saw .
• Always wear gloves when adjusting or
maintaining the pole saw .
1. Place the pole saw on a at surface and remove
the battery pack; refer to Removing the Battery
Pack ( page 17 ) .
2. Remove the side cover; turn the bar cover knob
counterclockwise until the knob is removed and
then remove the side cover ( Figure 20 ).
g374226
Figure 20
1. Bar cover knob
6. Guide bar
2. Side cover
7. Drive sprocket
3. Chain 8. Guide bar stud
4. Chain adjusting stud slot 9. Oil outlet
5. Guide bar slot 10. Chain adjusting stud
3. Loosen the chain by turning the chain-tightening
screw counterclockwise ( Figure 19 ).
4. Separate the chain from the guide bar and set
them aside.
5. Clean any debris from the area under the side
cover .
6. Inspect the drive sprocket; if it is excessively
worn or damaged, replace it; contact your
authorized service dealer .
7. Check the oil outlet ( Figure 20 ) for debris and
clean the area if necessary .
20
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