Homelite UT10552 - Manual (Page 27)

Page 27
maintenance
maintaininG tHe GUiDe BaR
See Figure 58.
caUtiOn:
Make sure the chain has stopped before you do any work
on the saw.
Every week of use, reverse the guide bar on the saw to
distribute the wear for maximum bar life. The bar should
be cleaned every day of use and checked for wear and
damage.
Feathering or burring of the bar rails is a normal process
of bar wear. Such faults should be smoothed with a file as
soon as they occur.
A bar with any of the following faults should be replaced:
n
Wear inside the bar rails that permits the chain to lay over
sideways
n Bent guide bar
n Cracked or broken rails
n Spread rails
Lubricate guide bars weekly with a sprocket at their tip.
Using a grease syringe, lubricate weekly in the lubricating
hole. Turn the guide bar and check that the lubrication holes
and chain groove are free from impurities.
mOUntinG tHe SaFe-t-tiP nOSe GUaRD
See Figures 59 - 60.
n
Mount the SAFE-T-TIP on the bar nose.
n Fit the locking rivet or tab in the recessed hole in the guide
bar.
n Tighten the screw with wrench until snug.
n From the snug position, tighten the screw an additional
1/4 of a turn using a wrench.
maintaininG tHe SaFe-t-tiP nOSe GUaRD
See Figures 59 - 60.
caUtiOn:
Make sure the chain has stopped before you do any work
on the saw.
WaRninG:
Although the guide bar comes with a SAFE-T-TIP anti-
kickback device already installed, check the tightness of
the mounting screw before each use.
Use the following instructions to tighten the mounting screw
of the nose guard. These are specially hardened screws. If
you cannot install the screw tightly, replace both the screw
and the SAFE-T-TIP before further operation.
Fig. 58
LUBRICATING HOLE
mOUNTING
sCREw
sAfE-T-TIp
Fig. 59
TIGHTEN 1/4
Of A TURN
Fig. 60
nOte: Do not replace the screw with an ordinary screw.
Use only identical replacement parts from the manufacturer
when replacing parts.
In addition to preventing chain contact with solid objects at
the nose of the bar, the SAFE-T-TIP also helps keep the chain
away from abrasive surfaces, such as the ground. Keep it on
the right hand side of the bar where it will be between the
chain and the ground during flush with ground cutting.
The mounting screw requires a 5/16 in. wrench (or adjustable
wrench) to achieve the recommended torque of 35 to 45
in.lb. A torque within this range can be achieved by using
the following method.
n
Tighten the screw with wrench until snug.
n From the snug position, tighten the screw an additional
1/4 of a turn using a wrench.