Servicing the Guide Bar,
Chain, and Drive Sprocket
Yearly 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 flat surface and remove
the battery pack; refer to
.
2.
Remove the side cover; turn the bar cover knob
counterclockwise until the knob is removed and
then remove the side cover (
).
g374226
Figure 19
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 (
).
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 (
) for debris and
clean the area if necessary.
8.
Clean the guide bar and chain; use a wire or a
small flat-head screwdriver to remove dirt and
debris from the groove along the edge of the
guide bar, starting from the sprocket on the front
end and moving rearward.
Ensure that the oil channel in the bar that aligns
with the oil outlet on the pole saw is clean so
that oil can flow freely to the chain (
g315856
Figure 20
Internal sections of the guide bar shown
1.
Ensure that this channel
connecting to the oil outlet
is clean.
2.
Ensure that the bar
sprocket is clean and
rotates freely.
9.
Inspect the guide bar and chain; if the bar
is bent, the grooves are damaged, or if the
sprocket on the front end does not rotate freely,
replace the guide bar; if the chain is excessively
worn or damaged, replace it.
10.
Install the guide bar and chain; refer to
the Guide Bar and Chain (page 21)
.
11.
Ensure that oil is flowing to the chain; refer to
Checking the Flow of Bar and Chain Oil (page
18)
.
20
