Echo CS-5100 - Manual (Page 12)

SERVICE INFORMATION
CS-4400
CS-5100
12
CS-5100
2-2 Presetting idle adjust screw, L mixture needle and H mixture needle (continued)
5. While holding bolt with L wrench, turn the nut
clockwise to take out the limiter cap.
6. Repeat step No.3 to No.5 for other limiter cap
removal.
7. Temporally insert new limiter caps on both L and
H mixture needle by aligning groove on limiter cap
(B) to locating pin (A) on extension housing. Make it
sure that limiter cap face is leveled with extension
housing top. Do not press limiter cap deeper at this
moment.
8. Turn L and H mixture needles clockwise until
lightly seated using 1.5mm blade screw driver, and
then turn both needles anticlockwise for following
turns.
L mixture needle : 1 1/2
H mixture needles : 2 1/4
Even at this stage, do not press limiter caps in.
9. Reinstall the carburettor on the unit.
A B
Groove