Ryobi RY43006 manual Scrench

MAINTENANCE

nReinstall the chain cover assembly, bushing and guide bar nut. Tighten the guide bar nut finger tight only. The

bar must be free to move for tension adjustment.	LIFT THE TIP OF
NOTE: When replacing the chain cover assembly assure	THE GUIDE BAR
	UP TO CHECK FOR
that the adjusting pin is in the chain tension pin hole and
	SAG
that the chain cover assembly fits flush to the housing.
NOTE: Chain tensioning knob has two markings: “+”
tightens the tension of chain and “-” loosens the ten-
sion.
n Remove all the slack from the chain by turning the chain
tensioning knob “+” until the chain seats snugly against
the bar with the drive links in the bar groove.
n Lift the tip of the guide bar up to check for sag. Release	Fig. 30
the tip of the guide bar and turn the chain tensioning
knob 1/2 turn “+”. Repeat this process until sag does not
exist.
n Hold the tip of the guide bar up and tighten the guide bar
nut securely.
n Chain is correctly tensioned when there is no sag on the
underside of the guide bar, the chain is snug, but it can
be turned by hand without binding.
NOTE: If chain is too tight, it will not rotate. Loosen the
guide bar nut slightly and turn chain tension knob 1/4 turn
“-”. Lift the tip of the guide bar up and retighten guide	SCRENCH
bar nut securely. Assure that the chain will rotate without
binding.	Fig. 31

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