Chain Maintenance - Homelite UT43104 Manual Del Operador

 Slightly loosen the chain cover lock knob.
 Turn the chain tensioning knob clockwise to
tension the chain.
NOTE: A cold chain is correctly tensioned when
there is no slack on the underside of the guide
bar, the chain is snug, and it can be turned by
hand without binding.
 Rotate the chain cover lock knob clockwise to
secure.
Retension the chain whenever the flats on the drive
links hang out of the bar groove.
NOTE: During normal saw operation, the tem-
perature of the chain increases. The drive links
of a correctly tensioned warm chain will hang
approximately .050 in. out of the bar groove.
NOTE: New chains tend to stretch; check the
chain tension frequently and tension as required.
NOTICE:
A chain tensioned while warm may be too tight
upon cooling. Check the "cold tension" before
next use.

CHAIN MAINTENANCE

See Figures 35 - 36.
WARNING:
Before performing any maintenance, make sure
the tool is unplugged from the power supply to
avoid accidental starting and possible serious
personal injury.
Use only a low-kickback chain on this saw. This
fast- cutting chain provides kickback reduction
when properly maintained.
For smooth and fast cutting, maintain the chain
properly. The chain requires sharpening when the
wood chips are small and powdery, the chain must
be forced through the wood during cutting, or the
chain cuts to one side. During maintenance of the
chain, consider the following:
 Improper filing angle of the side plate can
increase the risk of severe kickback.
MAINTENANCE
 Raker (depth gauge) clearance.
• Too low increases the potential for kickback.
• Not low enough decreases cutting ability.
 If the cutter teeth hit hard objects such as nails
and stones, or are abraded by mud or sand on
the wood, have an authorized service center
sharpen the chain.
NOTE: Inspect the drive sprocket for wear or
damage when replacing the chain. If signs of
wear or damage are present in the areas indi-
cated, have the drive sprocket replaced by an
authorized service center.
NOTE: If you do not fully understand the correct
procedure for sharpening the chain after reading
the instructions that follow, have the saw chain
sharpened by an authorized service center or
replace with a recommended low-kickback chain.
SHARPENING THE CUTTERS
See Figures 37 - 40.
Be careful to file all cutters to the specified angles
and to the same length, as fast cutting can only be
obtained when all cutters are uniform.
Page 27 — English
RAKER (DEPTH GAUGE) CLEARANCE
INSPECT DRIVE SPROCKET
.025 in.
Fig. 35
Fig. 36