- 2 -
X7672300104
©2018 ECHO Incorporated. All Rights Reserved
E
N
2. Remove gear case assembly (C) from main pipe (D).
C
D
3. Pull upper drive shaft (E) 12 in. (305 mm) out of
housing (F).
12 in. (305 mm)
E
F
To power head
4. Loosen extension thumbscrew (G). Align ridges
on upper drive shaft housing with grooves in
extension clamp. Align upper drive shaft (E) with
extension drive shaft (H).
H
E
G
H
5. Slide extension (I) onto housing (F) until exten-
sion stops. Tighten extension thumbscrew (G).
I
F
G
6. Note: Bottom view of gear case shown.
Install gear case assembly (C) (bottom view
shown) onto main pipe (I) of extension. Align lo-
cating screw (B) on bottom of gear case coupler
to locating hole (J) on main pipe (I) of the ex-
tension. Tighten locating screw (B). Tighten four
gear case coupler screws (A).
K
C
J
A
B