Homelite UT43123 Manual Del Operador página 24

GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts.
Most plastics are susceptible to damage from
various types of commercial solvents and may be
damaged by their use. Use clean cloths to remove
dirt, dust, lubricant, grease, etc.
WARNING:
Do not at any time let brake fluids, gaso-
line, petroleum-based products, penetrating
lubricants, etc., come in contact with plastic
parts. Chemicals can damage, weaken or
destroy plastic which may result in serious
personal injury.
LUBRICATION
All of the bearings in this product are lubricated with
a sufficient amount of high grade lubricant for the
life of the unit under normal operating conditions.
Therefore, no further lubrication is required.
REPLACING THE GUIDE BAR AND
CHAIN
See Figures 25 - 32.
WARNING:
Never start the motor before installing the guide
bar, chain, chain cover, and chain cover lock
knob. Starting the motor without all parts and
the chain at proper tension may result in serious
personal injury.
WARNING:
To avoid serious personal injury, read and
understand all the safety instructions in this
section.
WARNING:
Never touch or adjust the chain while the motor
is running. The saw chain is very sharp; always
wear protective gloves when performing main-
tenance to the chain to avoid possible serious
lacerations.
MAINTENANCE
CHAIN TENSIONING
Always wear gloves when handling the bar and
chain; these components are sharp and may
contain burrs.
NOTE: When replacing the guide bar and chain,
always use the specified bar and chain listed in
the Bar and Chain Combinations section later
in this manual.
 Disconnect chain saw from power supply.
 Rotate the chain cover lock knob counterclock-
wise and remove knob.
 Remove the chain cover.
 Remove the bar and chain from the mounting
surface.
 Remove the old chain from the bar.
 Lay out the new saw chain in a loop and
straighten any kinks. The cutters should face
Page 24 — English
KNOB
CHAIN COVER
MOUNTING
SURFACE
CHAIN
CHAIN COVER
CAUTION:
LOCK KNOB Fig. 25
BAR
CHAIN COVER
LOCK KNOB
Fig. 26