Pole Saw Names And Terms - Oregon PS750-091 Manual Original De Instrucciones

Pole Saw Names and Terms

Alignment flange: The protrusion on the bar
pad that fits into the bar slot .
Automatic oiler: The system that
automatically lubricates the guide bar and saw
chain .
Bar pad: The mounting pad on the cutting
head that helps ensure proper alignment of the
guide bar .
Bar slot: The cutout portion of the guide bar
that fits onto the alignment flange and the
mounting stud .
Bystander safety zone: A 50 ft (15 m) circle
around the operator that must remain free from
tripping hazards, bystanders, children, and pets .
Chain gauge: The thickness of the saw
chain drive link, indicated by the part number
stamped on the drive links .
Chain pitch: The distance between any
three rivets on the saw chain divided by two,
indicated by the part number stamped on the
drive links .
Chain tensioning gear: A gear mounted on
the guide bar that adjusts saw chain tension
when rotated .
Chain tensioning ring: The ring around the
side cover release knob, that when turned,
adjusts the saw chain tension .
Depth gauge tool: A tool that, when placed on
top of the saw chain during sharpening, ensures
that the cutting depth is set correctly .
Drive link: The fin-shaped link of the saw chain
that fits into the groove on the guide bar .
Drive sprocket: The toothed part that drives
the saw chain .
Extendable shaft: The shaft between the
powerhead and the cutting head that can be
lengthened to reach limbs higher in trees .
Extension collar: A rotating plastic part on
the extendable shaft that is loosened to allow
extension and tightened to keep the extendable
shaft in place .
File guide: A tool that, when combined with
the proper saw chain file, ensures that saw
chain cutters are sharpened at the correct
angle .
Pole Saw Model PS750-091
Pole Saw Names and Terms
Guide bar: A railed structure that supports and
guides the saw chain . Sometimes simply called
the "bar" .
Guide bar cover: The plastic cover that
protects the guide bar and saw chain when the
pole saw is not in use .
Harness: A safety device worn by the operator
and connected to the pole saw that helps
distribute the weight of the pole saw .
Motor housing: The plastic sheath into which
the extendable shaft is fitted during assembly .
Pole saw powerhead: A pole saw without the
extendable shaft, saw chain, or guide bar .
Rear handle: The support handle located at or
toward the rear of the saw .
Saw chain: A loop of chain with cutting
teeth that cuts the wood and is driven by the
powerhead and is supported by the guide bar .
Sometimes simply called the "chain" .
Side cover: The plastic cover on the cutting
head that covers the drive sprocket and
tensioning screw .
Side cover tab: The protrusion on the side
cover that fits into a slot in the powerhead .
Use it to properly align the side cover during
installation .
Spiked bumper: A device fitted to the front of
the saw acting as a pivot point when in contact
with a tree or log to make cutting easier . Also
known as "bucking spikes" .
Strain relief bracket: The hook on the rear
handle to which the extension cord is looped to
protect the cord and prevent unplugging during
operation .
Trigger lock-out: A movable stop that
prevents the unintentional operation of the
trigger switch until manually actuated .
Trigger switch: A device that turns the pole
saw on and off .
Wear parts: Parts such as the saw chain and
guide bar that wear during use and can be
replaced by the user .
11