beautypg.com

Chapter 6 – controls, Battery disconnect switch, Lower controls – Snorkel AB80J User Manual

Page 25: Start switch, Emergency stop button, Controls selector switch, Ground operation switch, Rotation switch, Chapter 6 – controls danger, Caution

background image

AB80J/AB85J – 0420453

21

Lower Controls

The lower controls (refer to Figure 6.2) are located on the

left side of the turntable. Boom and platform functions can

be operated from the lower controls. The following are

located on the lower control panel.

• Start switch

• Emergency stop button

• Controls selector switch

• Ground operation switch

• Rotation switch

• Riser switch

• Boom elevation switch

• Boom extension switch

• Boom speed knob

• Jib rotation switch – AB85RJ only

• Jib articulation switch

• Platform level switch

• Platform rotation switch

• Engine/Emergency power switch

• Engine speed switch

• Fuel switch (dual fuel machines)

• Manifold air inlet heater (option for Deutz engines)

• Hydraulic system warm-up switch (option)

Start Switch

The start switch (refer to Figure 6.2) works like an auto-

mobile ignition switch. Hold it in the start position until the

engine starts, then release it to on. If the engine dies, the

key must be turned to off before it will go back to start.

An alarm sounds, when the switch is turned on, to warn

others that the machine engine is being started.

Emergency Stop Button

The emergency stop (refer to Figure 6.2) is a two-position,

red push button. Push the button in to disconnect power to

all control circuits. Pull the button out to restore power.

Controls Selector Switch

Use the controls switch (refer to Figure 6.2) to select

between lower control and upper control operation. Place

the switch in the upward position to operate the aerial

platform from the upper controls and in the downward

position for lower controls operation.

Ground Operation Switch

Hold the ground operation switch (refer to Figure 6.2)

upward continually to operate the machine from the

lower controls. The engine speed increases when the

switch is held upward. This switch is spring returned to

the off position.

Rotation Switch

The rotation switch (refer to Figure 6.2) is used to rotate

the turntable in a clockwise or counterclockwise direction.

The switch is spring returned to the center off position.

Hold the switch to the right to rotate the turntable coun-

terclockwise. Hold the switch to the left to rotate the

turntable clockwise.

Chapter 6 – Controls

Danger

Pinch points may exist between moving components.

Death or serious injury can result from becoming

trapped between components, buildings, structures,

or other obstacles. Make sure all personnel stand

clear while operating the aerial platform.

Controls to position the platform are located on the lower

control panel on the turntable and on the upper control

panel in the platform. Drive controls are located on the

upper control panel only.

Battery Disconnect Switch

The battery disconnect is located behind the door on the

right side of the turntable in front of the batteries (refer

to Figure 6.1).

Figure 6.1 – Battery Disconnect Switch

The battery disconnect removes electrical power from all

electrically controlled functions when in the off position.

Place the switch in the on position to electrically connect

the battery to the electrical system.

Caution

Only authorized personnel should operate the aerial

platform. Unqualified personnel may cause injury

to coworkers or property damage. Lock the battery

disconnect switch in the off position before leaving

the aerial platform unattended.

Lock the battery disconnect switch in the off position to

prevent unauthorized use of the aerial platform.

Battery Disconnect Switch