Snorkel TB47J - Manual (Page 37)

Chapter 7 – Prestart Inspection
TB47J – 0075182 33
With the engine running, place the machine/generator
control, on the front of the upper control panel, in the
generator position to provide electrical power to the two
electrical outlets at the platform and to the outlet on the
end of the generator housing.
Plug an electrical tool into the receptacle at the platform
and at the generator and try to operate the tool to verify
proper operation of the outlet.
The outlet is equipped with a ground fault circuit inter-
rupter (GFCI). Use the following procedure to test the
GFCI.
1. Push the test button (refer to Figure 7.22).
Figure 7.22 – Electrical Power Outlet
2. Plug an electrical tool into the outlet and verify the
power is off.
• If the power was off, push the reset button to
restore power.
• If the power was on, repair or replace the recep-
tacle.
Drive Motion Alarm
The machine may be equipped with an optional drive
motion alarm. Drive in both the forward and reverse direc-
tions to ensure that the alarm sounds to warn personnel
in the area that the aerial platform is in motion.
Driving and Work Lights
The machine may be equipped with driving lights and/or
platform working lights. Turn the engine on and use the
switch on the back of each light to momentarily turn it on
to see that it works.
Platform Control Cover
The machine may be equipped with an optional platform
control cover. Inspect the cover to ensure it fits properly
over the control panel.
movement occurs the interlock is not functioning prop-
erly. Do not operate the machine until the problem is
corrected.
7. Test the operation of each control in both directions
from the upper controls.
8. The drive range switch and maximum travel speeds
are interlocked through a limit switch on the turn-
table that senses the main boom position. When the
main boom is raised to just below horizontal the ma-
chine should travel in low speed only. To operate in
high speed the booms must be stowed.
Emergency Stop
Push the emergency stop button in to turn off the engine.
The upper control functions should not operate with the
emergency stop in this position.
Emergency Power
Pull the emergency stop button up and place the anti-
restart master switch in the on position.
Hold the engine/emergency power switch in the emer-
gency power position and step on the platform foot switch
to operate the aerial platform from the upper controls us-
ing the emergency power system.
Horn
Press the horn button to ensure that it sounds to warn
personnel in the area.
Electrical Power Outlet
Connect a source of 125 volt AC power to the power-input
connector on the left side of the wiring box next to the
lower control panel (refer to Figure 7.21).
Figure 7.21 – Wiring Box
Some machines may have an electrical cable already
plugged in to the outlet on the wiring box. In that case,
power is supplied by an optional AC generator. An exter-
nal power source is not required.
Test Button
Reset Button
Power-Input
Connector