Echo CS-310 Service Manual page 32

30
CS-310
FUEL SYSTEM
4-7 Adjusting carburetor (continued)
2. Screw 2.5 mm limiter cap removal tool P/N
89801 counterclockwise into center hole of limiter
cap until tab of the limiter cap just comes out of the
locating slot.
NOTE : DO NOT COMPLETELY REMOVE LIM-
ITER CAP FROM CARBURETOR!
If the first limiter cap is removed completely, the
second limiter cap can be misaligned while in-
serting the cap removal tool. The cap tabs will be
misaligned with location slots and the center hole
threads will strip. If center hole threads strip, use 3
mm limiter cap removal tool P/N 89802 to remove
the limiter cap.
3. Remove the limiter cap removal tool from the
limiter cap by turning the tool clockwise, leaving
the limiter cap in place.
4 . S c r e w 2 . 5 m m l i m i t e r c a p r e m o v a l t o o l
P/N 89801 counterclockwise into center hole of re-
maining limiter cap until the limiter cap is removed
from the mixture needle completely. Remove the
limiter cap from limiter cap removal tool by turning
clockwise, then screw limiter cap removal tool into
center hole of previous limiter cap to remove com-
pletely.
5. Turn L and H mixture needle clockwise un-
til lightly seated, then turn both mixture needles
counterclockwise for initial setting as follows :
L mixture needle : 2 1/2, H mixture needle : 2 1/4
NOTE : If needles are forced during seating, dam-
age to carburetor may occur.
6. Remove cleaner lid and air fi lter to see that Idle
adjust screw contacts the throttle plate. Turn Idle
adjust screw counterclockwise and set the screw
until the tip just contacts the throttle plate. Then
turn Idle adjust screw 7/8 turns clockwise. Reinstall
air fi lter, and cleaner lid.