4. Close the coolant drain valve, and remove hose.
5. Open the coolant fill access door (B, Figure 27), and
add coolant to the radiator. Refer to Specifications.
NOTICE
Failure to add engine coolant will result in engine
damage.
27
Electrical System
Generator
Refer to the Generator Operator's Manual for all
scheduled generator maintenance procedures.
Diagnostics - Metal Halide Fixtures
For light tower trailers equipped with metal halide bulbs,
if a bulb does not light within about 10 minutes after the
engine has started, determine whether the bulb is burnt
out or if the ballast has failed.
The easiest way to determine this is to replace the bulb
with a new one that you know works. If the new bulb does
not light, the ballast will need to be replaced.
Replacing Metal Halide Light Bulbs
WARNING
Burn Hazard
The light fixtures become extremely hot during use.
Always use caution and heat-resistant glove when
handling the lights or allow the lights to sufficiency cool
down before handling.
See Specifications for the correct light bulb for your light
tower trailer.
To replace the light bulb:
1. Turn off the lights and shut down the engine.
2. If the light tower is in the raised position, lower the
3. Allow 20 minutes for the lamp fixtures and bulbs to
4. Loosen the lens channel screws (A, Figure 28) and
5. Remove the silicone gasket (C, Figure 28) and lens
B
6. Remove the support clip screws (E, Figure 28) and
7. Carefully remove the old bulb (G, Figure 28). Properly
8. Clean the reflector (H, Figure 28) and lens.
9. Install the correct replacement bulb. See
10. Install the support clip and screws.
11. Install the silicone gasket and lens. Replace if worn or
12. Install the lens channel and screws.
13. Test the new bulb to ensure proper operation
28
A
light tower.
cool.
remove the lens channel (B, Figure 28).
(D, Figure 28).
support clip (F, Figure 28).
dispose of the bulb according to federal, state, local
or province regulations.
Specifications.
damaged.
H
G
D
B
C
A
F
E
B
en
25
English