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LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 33
When the water level is near the mouth of the water 5.
fi ller, open drain plugs and start the engine, and run
at low idling. Keep the engine running at low idling and
fl ush the radiator for about 10 minutes.
Adjust the fl ow of the water fl owing in and draining 6.
out to ensure that the radiator is always full during the
fl ushing operation. While fl ushing water through the
system, make sure the water inlet hose does not come
out of the radiator fi ller port.
After fl ushing, stop the engine, open drain plug and 7.
drain the water, then close drain plugs.
After draining the water, fl ush the system with a fl ushing 8.
agent. See instructions on fl ushing agent label.
After fl ushing, open drain plugs and drain out all the 9.
water, then close drain plugs and add tap water so the
water level is near the mouth of the water fi ller.
When the water level is near the mouth of the water 10.
fi ller, open drain plugs and start the engine, run at low
idling and continue to fl ush the system until clean water
comes out. Adjust the fl ow of the water fl owing in and
draining out to ensure the radiator is always full during
the fl ushing operation.
When clean water comes out, stop the engine, drain 11.
all the water, then close drain plugs.
Remove the corrosion resistor (if equipped) and open 12.
valve.
Supply water until it fl ows over the water fi ller.13.
Drain the water inside reserve tank, clean the inside of 14.
the reserve tank, then fi ll with coolant/water mixture to
between the full and low lines.
Stop the engine, wait for 3 minutes, add tap water until 15.
the water level reaches near the water fi ller port, then
tighten the radiator cap.
CHANGING OIL
Make sure the oil is cool before changing.1.
Set a container directly under the drain plug of the oil 2.
pan. Loosen the drain plug slowly.
Check the drained oil for excessive metal particles or 3.
foreign material. Contact the distributor if there is metal
particles or foreign material.
MAINTENANCE
Using a fi lter wrench, turn fi lter cartridge to the left 4.
to remove it. If the fi lter cartridge is fi lled with a large
amount of oil, wait 10 minutes or so before removing.
Make sure there is no old gasket stuck on the fi lter
holder.
Tighten drain plug. Clean the fi lter holder, fi ll the new 5.
fi lter cartridge with clean engine oil, coat the packing
and thread of the new fi lter cartridge with engine oil,
then install it to the fi lter holder. Tighten until the gasket
surface contacts the seal surface of the fi lter holder,
then tighten it a further 3/4 to 1 turn.
Add engine oil through oil fi ller until the oil level is 6.
between the H and L marks on the dipstick.
Run the engine at idling for a short time, then stop the 7.
engine. Recheck the oil level and fi ll as necessary.
CHECK CABLE WEAR
The wire rope (cable) that raises and extends the mast is
a very important part of the light tower. There is one cable/
hand winch system, located on the tongue of the trailer, that
raises and extends the light tower mast. There is a second
cable/hand winch system located on the mast that serves to
raise and lower the two extendable sections of the mast.
DANGER
Wire rope (cable) will fail if it is worn, frayed, misused,
crushed, kinked or damaged in any way. Always check
the cables and pulleys for any abnormalities before
use.
Do not use it if there is even the slightest cause for
concern and replace any damaged cables or pulleys
immediately.