© 2007 ICS, Blount Inc. F/N 71537 Oct 07
TITLE 613GC SERVICE MANUAL
68
23. CARBURETOR TUNING
23.1 Basic Setting -
H = 1 3/4 turns from closed
L = 1 1/4 turns from closed
Completecarburetorreadjustment.23.2 Remove limiter cap
A Lookintoadjustmentscrewhole.
Observe orientation of the release
slotsontheadjustmentscrewlimiter
cap.
B Insert the limiter cap puller blades
into the release slots.
C Firmly hold the tool shaft while
screwing in the puller screw until
the screw head is against the puller
shaft.
D Unscrew the puller screw.
RPM Settings for saws.
NOTE: Saw tuned without bar and chain installed.
Idle Speed = 3,000 ± 500 rpm
Full Throttle = 11,000 ± 500 rpm