Document 57.0005.8200 - 12/2005
Handler with telescopic boom
GTH-6622
Page
C-10
OPERATING INSTRUCTIONS
■
C-3.2.3
Brakes
11
Service brake pedal
Gradually step on the brake pedal to decelerate and
stop the machine. The pedal operates on the front axle.
Fully depressing the brake pedal causes a reset of the
displacement of the power drive pump making the
brake action more powerful.
21
Parking brake
The parking brake of negative type engages
automatically when the engine is stopped.
When the handler’s engine is restarted, pressing the
pushbutton switch
21
unlocks the parking brake.
To stop the handler without shutting down the engine,
press the pushbutton switch
21
to engage the parking
brake and push it once again to disengage the brake.
Every pressure of the pushbutton switches the warning
light on and off. When the red warning light is on, the
parking brake is engaged.
CAUTION
Never use the parking brake to slow down the
machine, unless in an emergency. It may reduce
the brake efficiency.
■
C-3.2.4
Accelerator control
17
Gas pedal
Its pressure controls the engine rpm and, coupled to
the gearbox, the machine speed. It is fitted with an
adjustable stop in the lower part
C
A
21
40
80
120
°
C
0 1 2 3 4 5 6 7
80
120
°
C
40
F
R
N
17
11
