C. CHAIN TENSION
● Chain Tension is very important- -
- A loosechainwillwearthebaranditself.
- A loosechaincanjumpoffthebarwhileyou
arecutting
- ~rt~i#ltchaincanbreakordamagethesawand/
. The chain stretches during use, es ecially
F
whennew.Checktensionperiodicallyas O11OWS:
eachtimethesawisused;
morefrequentlywhenthechainisnew;
– asthechainwarmsuptonormaloperating
temperature.
. Chain tension is correct when the chain can
be lifted about 1/8” from the Guide Bar at a oint
?
near the middle of the bar and will move reely
around the bar.
. Chain tensionin~ tmocedure:
~TION: [ Alwa~s-wear gloves when handl-
ing the chain. The chain is sharu and can
1.
2.
3.
4.
5.
cu~you even when it is not movin’g!
Liftupthetipof theguidebarandturntheadjust-
ing screw clockwise until the chain does not sag
beneath the guide bar. Figure 10.
Check the tension by lifting the chain from the
guide bar at the center of the bar. Figure 11.
Continue adjusting the adjusting screw until the
tension is correct.
Lift up the tip of theguidebarandti htenthebar
t
mounting screw with the bar wrenc .
Recheck chain tension.
Adjusting Screw
Hr
I
I
Turn
‘“/~ To?!%en
(/ )-
Tension
L
1
x
Figure 10
Chain Can Be
Lifted 118”When
Tension Is Correct
~e
)0
09 <
\
1/8”
1/8”
Figure 11
NOTES
–8–