© 2011 ICS | Blount, Inc. Specifications and pricing are subject to change without notice. P/N 550416 REV06012011
660GC SERVICE MANUAL
71
RPM Settings for saws.
NOTE:
Saw tuned without bar and chain installed.
Idle Speed = 3,000 ± 500 rpm
Full Throttle = 12,500 ± 500 rpm
22. CARBURETOR TUNING
22.2 Remove limiter cap.
A. Limiter caps can only be removed after
the cylinder cover and screw boot have
been removed. Observe orientation of
the release slots on the adjustment screw
limiter cap. See section 10 for cylinder
cover removal.
B. Insert the limiter cap puller into the
center of the limiter cap.
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, 1/4 turn and
pull straight out. Repeat for second limiter
cap.
22.1 Basic Setting -
H = 1 turn from closed
L = 1 turn from closed
Complete carburetor readjustment.