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PAGE 22 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
INSPECTION
COOLANT
It is recommended that antifreeze/summer coolant be used
with the engine. This can be purchased pre-diluted or in
concentrate and mixed with 50% demineralized water. See
engine owner's manual for more details.
Day-to-day addition of coolant is done from the recovery
tank. When adding coolant to the radiator, DO NOT remove
the radiator cap until the unit has completely cooled.
See Table 5 for engine and radiator, coolant capacities.
Make sure the coolant level in the recovery tank is always
between the "H" and the "L" markings.
OPERATION IN FREEZING WEATHER
When operating in freezing weather, make sure the proper
amount of antifreeze (Table 6) has been added.
WARNING
If adding coolant/antifreeze mix to the
radiator, DO NOT remove the radiator cap
until the unit has completely cooled. The
possibility of hot coolant exists which can
cause severe burns.
Table 5. Coolant Capacity
Engine Type Coolant Capacity
Perkins 103-10 5 qt. (4.7 liters)
Lombardini LDW 1003 5.18 qt. (4.9 liters)
Deutz F3M1008F 5.18 qt. (4.9 liters)
Table 6. Anti-Freeze Operating Temperatures
Vol (%)
Anti-Freeze
Freezing Point Boiling Point
°C °F °C °F
40 -24 -12 106 222
50 -37 -34 108 226
NOTICE
When the antifreeze is mixed with water, the antifreeze
mixing ratio must be less than 50%.
CLEANING THE RADIATOR
The engine may overheat if the radiator fins become
overloaded with dust or debris. Periodically clean the
radiator fins with compressed air. Cleaning inside the
machine is dangerous, so clean only with the engine turned
off and the negative battery terminal disconnected.
AIR CLEANER
Periodic cleaning/replacement of the air cleaner is
necessary. Inspect it in accordance with the engine owner's
manual.
FAN BELT TENSION
A slack fan belt may contribute to overheating, or to
insufficient charging of the battery. Inspect the fan belt for
damage and wear and adjust it in accordance with the
engine owner's manual.
The fan belt tension is proper if the fan belt bends 10 to 15
mm when depressed with the thumb as shown in Figure 9.
Figure 9. Fan Belt Tension
Before starting the engine, make sure of the following:
The electrical load is disconnected and the main circuit
breaker and all lamp (4) circuit breakers are switched
to the OFF position.
WARNING
Never place hands near the belts or fan
while the engine is running.
WARNING
The engine's exhaust contains harmful
emissions. ALWAYS ventilate the exhaust
when operating inside tunnels, excavations
or buildings. Direct exhaust away from
nearby personnel.