Tensioning The Saw Chain - Oregon PS250 Manuel D'instructions Original

uNPACKING AND ASSEMBLY

TENSIONING ThE SAW ChAIN

WARNING: A BATTERY OPERATED
TOOL WITh ThE BATTERY PACK
INSERTED IS ALWAYS ON AND CAN
START ACCIDENTALLY. REMOVE
ThE BATTERY PACK FROM ThE
POLE SAW BEFORE ATTAChING ThE
EXTENDABLE ShAFT, BAR, AND
ChAIN.
Wear gloves
• Remove the battery before tensioning
• Loosen the side cover knob
• Hold up the nose of the guide bar
(Fig 12), and tighten the tensioning
screw
FIG. 12
• Tighten the tensioning screw until the
lowest cutters underneath the bar
solidly contact the bar (Fig 13)
FIG. 13
16
OREGON® Cordless Tool System
POLE SAW MODEL PS250
• Tighten the side cover knob
• Saw chain tension is correct when, with
some effort, a gloved hand can pull the
chain smoothly around the bar The
chain should touch the underside of the
bar rail (Fig 14)
FIG. 14
After a short period of use, allow the
chain to cool and once again check the
tension (remove the battery first) Watch
tension carefully for the first half-hour
of use and periodically throughout the
life of the chain, readjusting as required
when the chain and bar are cool to the
touch Never tighten chain when it is hot
Chain will stretch as a result of normal
use, but insufficient oil, aggressive use,
or failure to perform recommended
maintenance can lead to premature
stretching
AD 0414 - F/N 563397