Section 4 • Repair Procedures
REV A
4 - 2
AL8000HT Light Tower
Part No. 116478
September 2008
1-1
Lighting
How to Remove a Lamp
High voltage. Exposure to
electrical wires or electrical current
will result in death or serious
injury. Remove all rings, watches
and other jewelry. Turn off all
power when not needed for
testing. Use extreme caution when
working with high voltage electrical
components.
Burn hazard. Contact with hot lamp
components may cause severe
burns. Use caution when working
around lamps.
1 Turn off all machine power.
2 Remove the light lens mounting fasteners and
remove the lens.
3 Remove the spring securing the lamp to the
lamp retainer.
Component damage hazard.
Contacting the lamp with bare skin
can cause damage to the lamp.
Do not allow bare-skin contact
with the lamps.
4 Wrap a clean cloth around the lamp and
remove the lamp from the socket.
Note: Be sure to wrap a clean cloth around a lamp
when installing a lamp into a lamp socket.
How to Check Line Voltage
Correct line voltage at the lamp socket is essential
for proper operation of the lighting system.
Electrocution hazard. Exposure to
high voltage electrical wires or
electrical current will result in death
or serious injury. Remove all rings,
watches and other jewelry. Turn off
all power when not needed for
testing. Use extreme caution when
working with high voltage electrical
components.
1 Turn off all machine power.
2 Remove the cover from the lamp junction box.
Note: The junction box is located between the light
housings at the top of the mast.
3 Locate the correct wiring for the lamp to be
tested.
4 Connect a voltmeter to the lamp wires.
5 Start the engine.
6 Turn the appropriate circuit breaker light switch
to the "ON" position.
7 Observe the voltage as the lamps warm up.
Refer to the following chart.
Note: It can take up to 5 minutes for the lights to
reach full intensity. If the lights are turned off and
then turned back on while they are still warm, they
may not light up again for 10 to 20 minutes.
Lighting
