Echo CS-310ES Service Data page 8

8
SERVICE INFORMATION CS-310ES
2-2 Presetting Idle adjust screw, L mixture needle and H mixture needle (continued)
2. Screw 2.5 mm limiter cap removal tool P/N
91019 anticlockwise into centre hole of limiter cap
until tab of the limiter cap just comes out of the lo-
cating slot.
NOTE : DO NOT COMPLETELY REMOVE LIM-
ITER CAP FROM CARBURETTOR!
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 centre hole
threads will strip. If centre hole threads strip, use
3 mm diameter thread wood screw 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 91019 anticlockwise into centre 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
centre hole of previous limiter cap to remove com-
pletely.
5. Turn L and H mixture needle clockwise until
lightly seated, then turn both mixture needles anti-
clockwise 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 carburettor may occur.
6. Remove cleaner lid and air fi lter to see that Idle
adjust screw contacts the throttle plate. Turn Idle
adjust screw anticlockwise 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.