McCulloch 3400/34cc Brush Cutter User Manual


 
9
A
BACK-PACK BRUSHCUTTER
See page 88.
DANGER. Do not run engine without shaft
attached as clutch could fly off.
1) Assemble the engine onto the shaft. Make sure
the shaft is fully and correctly engaged up to
the shank, then tighten the 2 screws (A) in a
criss-cross sequence.
2) Fit the end of the trigger cable connector (B)
into the slot on swivel (C).
3) Adjust the screw (D) of the trigger cable
connector so that the cable can easily slide in
the opening with a play of 1 mm before
operating the swivel (C).
Tighten now the hexagonal nut (E).
4A) Stop switch (STOP) cable: fit the connection.
4B) Earth lead: connect as illustrated.
3) Make sure that the blade bore opening fits
perfectly around the centering collar on the
upper cap.
Tighten counterclockwise.
While tightening, the blade assembly can be
held fast by inserting the wrench or the
screwdriver supplied into the cap and
gearcase holes.
To do this, rotate the cap intil the two holes
coincide.
4) Assemble nylon string head as illustrated:
a) Flange guard - b) Upper cap - c)Guard d)
Nylon string head
Tighten counterclockwise.
5) While tightening, the head assembly can be
held fast by inserting the wrench or the
screwdriver supplied into the holes as already
shown for blade assembly.
WARNING: Do not use the guard for the nylon
string head when using a metal blade.
G. ENGINE/SHAFT ASSEMBLY
1) DOUBLE HANDLE
Adjust and secure double handle clamp
40 cm from engine/shaft joint by tightening the
screws (C).
2) DELTA FRONT HANDLE
Secure the handle in front of the label
placed on the shaft 11 cm from the rear
grip when assembling nylon string head
and 36 cm when assembling metallic
blades. This position ensures optimum
balance and safety. The handle must be
perpendicular to the shaft as illustrated
(Fig.2).The handle bar must be mounted
using all the items supplied and in the
exact configuration shown in figures 1 or 2.
3)
ANTIVIBRATED HANDLE
Assemble the handle (A)
into the shaft
support (
B). Tighten button (C) securely to
hold the hande firmly in the support.
4) Handle (A) can be adjusted for individual
operator comfort by swivelling it forwards or
backwards. To do this, loosen button (C),
position the handle for maximum comfort,
then tighten button (C) securely. Clip the
suspension harness hook into one of the 5
holes on the top side of the shaft support to
achieve the best balance according to the
type of work to be undertaken.
5) NB: Handle assembly (A) can be folded
parallel to the shaft to facilitate
transportation or storage. To do this,
loosen knob (C), twist support (B) 90° in a
clockwise direction, fold the handle (A)
into the required position and then tighten
knob (C).
H. HANDLE ASSEMBLY
WARNING: Before using the product every user
should carefully read the sections SAFETY,
SAFETY USAGE and SYMBOL MEANINGS.
STARTING A COLD ENGINE
1)
Position the on/off switch to the I (ON)
position, away from the «STOP» position.
2)
Rotate the choke lever in the direction illustrated
by the arrows. This engages the fast idle system.
3) Squeeze the primer bulb (C) several times
until you see fuel begin to return back
through the tube (D) towards the fuel
tank. Push the decompression valve (
B)
down if your models is fitted with one. Pull
the starter handle until the engine starts.
4) Hold the machine safely and allow the
engine to run for a few seconds. Grip the
control handle firmly, pushing down on the
safety trigger (S) and then squeezing the
accelerator trigger (A). This action automatically
releases the spring loaded choke lever (
E)
disengaging the fast idle system.
WARNING: The fast idle system does
cause the cutting attachment to rotate
when engaged.
I. STARTING AND STOPPING THE ENGINE
ELITE 1-29 nuova imp 248734 29-11-2001 15:18 Pagina 9