Snorkel AB46JRT - Manual (Page 24)

Chapter 6 – Controls
20 AB46JRT – 0260071
Figure 6.3 – Upper Control Panel Front
The electrical power outlet at the platform has a 15 amp
circuit breaker. The reset button is on the left side of the
electrical box (refer to Figure 6.4).
Figure 6.4 – Electrical Power Outlet
The battery disconnect panel has a 15 amp circuit breaker
for the engine throttle circuit and a 25 amp circuit breaker
for the glow plug circuit. The reset buttons are on the
bottom right side of the battery disconnect panel (refer
to Figure 6.5).
Figure 6.5 – Battery Disconnect Panel
The circuit breakers protect the electrical wiring and
components from electrical overload in case of a short
circuit or other fault.
A
Caution
A tripped circuit breaker indicates a malfunction in
the electrical system. Component damage can result
if the cause of the malfunction is not corrected. Do
not operate the aerial platform if the circuit breaker
trips repeatedly.
Push the button to reset the circuit breaker.
Upper Controls
The upper controls (refer to Figure 6.6) are located on
the control panel at the platform. Boom, platform, and
drive functions can be operated from the upper controls.
The following controls are located on the upper control
panel.
• Preheat switch
• Start switch
• Emergency stop button
• Drive joystick
• Steer switch
• Drive range switch
• Boom speed knob
• Rotation switch
• Riser switch
• Boom elevation switch
• Boom extension switch
• Jib articulation switch
• Platform level switch
• Platform rotation switch
• Engine/Emergency power switch
• Horn
• AC generator switch (option)
• Hydraulic system warm-up switch (option)
Preheat Switch
The preheat switch (refer to Figure 6.7) is a momentarily
on toggle switch. This switch operates the glow plugs to
aid in starting the engine when the start switch is in the
on position.
• When the engine is warmed up or the ambient tem-
perature is above 50°F (10°C), it is not necessary to
operate the glow plugs before starting the engine.
• When the ambient temperature range is 50°F (10°C)
to 23°F (-5°C), press and hold the preheat button for
five seconds before starting the engine.
• When the ambient temperature is below 23°F (-5°C),
press and hold the preheat button for ten seconds
before starting the engine.
Throttle Circuit
Breaker
Glow Plugs
Circuit Breaker
Circuit Breaker
Reset Button
Start Switch
Upper Control
Circuit Breaker