6
WARNING!
Do not make unauthorized
modifications or alterations to your
pruner or its components.
Before assembling, make sure you have all
the components required for a complete
unit:
Engine assembly
■
Outer tube assembly
■
Drum kit with gearcase
■
Assembly
Prior to assembly
Kit containing operator’s handle,
■
hardware, owner/operator's manual,
tool kit for routine maintenance. Tool
kits vary by model and may inclue a
hex wrench, spanner, and a combina-
tion spark plug wrench/screwdriver.
Carefully inspect all components for
■
damage before assembling.
Main
Shaft
Tube
Clamp
Outer
Tube
Place the powerhead on a clean, flat
1.
surface, spark plug facing up.
Use the 4mm hex wrench to loosen
2.
the index screw and tube clamp
screw. Verify that the D-shaped shim
washer is positioned as shown
Add some moly-type EP grease
3.
to the splines on the end of the
mainshaft.
Slide the outer tube into the tube
4.
clamp until the tube bottoms. If instal-
lation is difficult, rotate the outer tube
or mainshaft slightly until you feel
the mainshaft splines engage with the
powerhead.
Connect the Outer Tube to the Powerhead
CAUTION!
Do not force the shaft tube into
the powerhead! Excessive force
can damage the shaft tube and
Clamp
Screw
Shim Washer
Hex
Wrench
Index
Screw
Shim
Washer
Installation
Decal
CAUTION!
Do not remove the D-shaped shim
washer! The shim washer prevents
damage from overtightening the
tube clamp screw.
Position the outer tube so that the
5.
ignition switch is facing up and the
throttle trigger is down.
Slide the outer tube into the power-
6.
head until the throttle grip just con-
tacts the tube clamp.
Tighten the clamp screw firmly.
7.
Loosen the index screw and
tube clamp screw
Tube Clamp
Screw
Throttle Cable and Ignition Leads
Unscrew the two throttle lever cover
1.
screws, and then separate the throt-
tle control halves as shown.
Working from the powerhead, push
2.
the throttle cable through the pas-
sageway in the base of the shaft tube
grip.
Insert the throttle cable end into the
3.
molded receptacle in the throttle
lever, and then lay the cable wire in
the molded slot in the throttle body.
In the reverse order of removal, reas-
4.
semble the throttle body and cover
on the shaft tube.
Plug the red ignition lead from the
5.
shaft tube into the red lead from
the powerhead, and then connect
the black grounding wire to the
powerhead.
CAUTION!
Overtightening the throttle assembly
screws can permanently damage
the plastic throttle components!
Throttle
cable
Nut
Cover
screw
Cover
Ground lead
(black wire)
Ignition lead (red
wire)
Nylon tube
Molded
receptacle
Throttle cable
Unscrew and
separate the
throttle control
halves
Throttle
assembly
Insert the throttle cable end into the
molded receptacle
Connect ignition leads
Insert outer tube into
powerhead
