6. Periodic Inspection/Maintenance
6.5.22 Change Coolant
[Every 2 years]
A
CAUTION
1-------------
• Be sure to stop the machine and loosen the radiator cap
slowly, after the coolant water is sufficiently cooled and the
inner pressure is released, then take the cap off.
If the following procedures are neglected, the radiator cap
could be blown by the internal pressure or hot moisture air be
blown out to cause burning. Therefore, make sure to carry out
them without fail.
• LLC (Antifreeze) is a toxic material.
• When a person has drunk LLC (Antifreeze) by accident,
make him vomit and make him see a doctor immediately.
Upon changing coolant
H990432
• When a person gets LLC (Antifreeze) in his eyes, wash the eyes with clean running water and
make him see a doctor immediately.
• When LLC (Antifreeze) is stored, put it in a container with an indication saying "LLC (Antifreeze)
inside" and seal it up, then Keep it in a place away from children.
• Beware of flames.
<Procedure>
CDTo drain coolant, remove the radiator cap "1"
then loosen the drain valve "2"
®Be sure to also open the drain valve "3" on the
engine cylinder block for drainage.
® When the coolant is completely drained out,
close each drain valve "2" and "3" , and supply
new coolant from the filler port of radiator "4"
[Water supply: about 2.Sgal.(10 L)]
©After changing the coolant, run the engine
under unload operation for 2 to 3 minutes, then
stop it. Check the coolant level again and
replenish it if necessary.
6-17
1
4
2
Figure SDG25S-8E1
A030145
BTW Equipment Supply LLC dba Airman Arizona • www.btwequipmentsupply.com www.airmanarizona.com
SDG45S-8E1
Instruction Manual
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