Use and Care Manual
99944200640 OPERATION
X7712092800 15
© 02/2017 ECHO Inc.
ENGLISH
5. Carefully fit attachment drive
shaft assembly into coupler (B)
to decal assembly line (C),
making sure that the inner
lower drive shaft engages the
square upper drive shaft
socket.
Note: Earlier model power heads
may have shorter couplings.
Note: Lower bearing housing and
head assembly must be in line with
the engine.
6. Rotate locater pin (A) ¼ turn
clockwise to engage lower shaft
hole. Insure locater pin is fully
engaged by twisting lower drive
shaft. Locater pin should snap
flush in coupler. Full engage-
ment will prevent further shaft
rotation.
7. Secure lower shaft assembly to
coupler by tightening clamping
knob (D).
OPERATION
Note: Refer to your PAS power source Operator's Manuals for correct
engine fueling, starting and stopping instructions.
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
Always stop engine, disconnect spark plug, and make sure all
moving parts have come to a complete stop before removing
obstructions, clearing debris, or servicing unit. Allow unit to
cool before performing service.
B
A
C
D
A