Echo RM-210SB - Manual (Page 26)

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D
A
B
B
E
A
C
D
F
Drive Shaft Upper
1. Loosen clamping knob (A).
2. Pull locator pin (B) and rotate 1/4 turn counter clockwise to lockout
position.
3. Remove attachment.
4. Remove coupler (E) from upper drive shaft assembly by loosening
clamping screw (C) and removing set screw (D).
5. Remove upper flex cable (F), wipe clean, and apply a thin coating of
1/2 oz. (15ml) of grease.
6. Install cable. Make sure that the flex cable fully engages into the
clutch square drive socket.
7. Slide coupler on upper drive shaft until fully seated, and align set
screw hole in coupling with hole in upper drive shaft.
8. Install and tighten set screw (D), and tighten clamping screw (C).