8. Clean the guide bar and chain; use a wire or a
small at-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 ow freely to the chain ( Figure 21 ).
g315856
Figure 21
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 Installing
the Guide Bar and Chain ( page 21 ) .
1 1. Ensure that oil is owing to the chain; refer to
Checking the Flow of Bar and Chain Oil ( page
18 ) .
Installing the Guide Bar and
Chain
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. If the side cover is installed to the machine,
remove it; refer to Servicing the Guide Bar ,
Chain, and Drive Sprocket ( page 20 ) .
2. Place the chain around the sprocket on the front
end of the guide bar , with the cutting edge of
the chain teeth on the top of the bar facing
forward as shown in the diagram beneath the
side cover of the pole saw .
3. Feed the chain around the guide bar and align
the chain into the groove of the guide bar .
Note: If you are installing a new chain, ip the
guide bar to avoid uneven wear .
4. Position the open loop of the chain (not on the
guide bar) around the drive sprocket on the pole
saw and install the guide bar and attached chain
onto the pole saw .
Important: Ensure that the chain adjusting
stud is inserted into the chain adjusting stud
slot on the guide bar ( Figure 20 ). Y ou may
need to rotate the chain-tensioning screw to
t the stud into the hole in the guide bar .
5. Install the side cover , but do not fully tighten the
side cover knob.
6. Adjust the chain tension; refer to Adjusting the
Chain T ension ( page 19 ) .
21
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