Snorkel TB50 - Manual (Page 30)

Chapter 6 – Controls
26 TB42/TB50 – 0074923
The engine throttle speed will increase to warm
the hydraulic fluid.
The engine throttle speed will decrease and return
to idle once the hydraulic fluid reaches a preset
temperature.
If the warm-up switch is left on the engine speed
will continue to increase and decrease to keep the
hydraulic fluid at a preset temperature.
3. When the engine throttle speed returns to idle, place
the hydraulic fluid warm-up switch in the off position.
Circuit Breaker Reset Buttons
The wiring box has a circuit breaker for the main and run
circuits. There is a reset button for each circuit breaker
on the front of the wiring box (refer to Figure 6.3).
Figure 6.3 – Wiring Box
The upper control panel has a circuit breaker for the
swing (turntable rotation), lift, drive and main control
circuits. The circuit breakers are on the front of the up-
per control panel (refer to Figure 6.4).
Figure 6.4 – Upper Control Panel Front
The electrical power outlet at the platform has a 15 amp
circuit breaker. The reset button is on the right side of
the electrical box (refer to Figure 6.5).
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Figure 6.5 – Electrical Power Outlet
The circuit breakers protect the electrical wiring and
components from electrical overload in case of a short
circuit or other fault.
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.
• Start switch
• Emergency stop button
• Boom joystick
• Boom extension switch
• Boom speed knob
• Drive joystick
• Drive range switch
• Platform level switch
• Platform rotate switch
• Engine/emergency power switch
• Throttle switch
• Hydraulic system warm-up (option)
Start Switch
The engine can be started from the platform using the
anti-restart master switch on the front of the upper con-
trol panel (refer to Figure 6.6). This switch is similar to
an automobile ignition switch.
Turn the switch to start until the engine starts, then
release it to on.
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Circuit Breaker Reset Buttons
Start Switch
Circuit Breaker Reset Buttons
Circuit Breaker Reset Button