Spearhead TWIGA
120
16
16
16
16
OPERATION
OPERATION
OPERATION
OPERATION
Operation Safety
Before commencing operation of the machine all operators must read this manual paying
particular attention to the aspects relating to safe use of the machine. The operator is not
only responsible for their own safety but also the safety of all other persons who enter into
the close proximity of the working machine.
Cable Controls
Four levers individually control the operating
functions of the machine the knobs of which are
colour coded according to use.
The function and operational direction of the
levers are as follows where indicates
movement of the lever away from the operator
and indicates movement towards the operator:
1. Red - Reach Out and Reach In.
2. Yellow - Lift Down and Lift Up.
3. Green - Angle Up and Angle Down.
4. Black - Cutterbar On and Cutterbar Off.
Proportional Controls
On proportional models all operational functions are controlled by a single joystick. With
the power switched on via the left hand switch on the control box, forward and rearward
operation of the joystick controls Lift Down and Lift Up respectively whilst sideways
operation controls Reach In and Reach Out – the particular sideways direction will depend
on which side of the tractor the machine is working at the time. Angle function is controlled
by rotation of the top of the joystick. The centre switch on the control box switches the
cutterbar on and off.
1. Reach In and Out
2. Lift Up and Down
3. Angle Up and Down
4. Cutterbar On / Off
Before commencing work it is advisable to find an unobstructed level site and operate the
machine through its entire range of movements to familiarise yourself with the controls and
the machines response to them. This is a wise precaution for all operators and a must for
the inexperienced.