MAINTENANCE 7
en-45
7.21 RADIATOR AND OIL COOLER _______________________________________________
1.
Check coolant level daily. Radiator should be full and
recovery bottle should be up to the
cold
mark.
2.
Drain and refill annually. Remove the radiator cap,
open the engine block drain and the radiator drain.
Empty and clean the recovery bottle.
3.
Mix clean water with ethylene glycol based anti-
freeze for the coldest ambient temperature. Read
and follow the instructions on the anti-freeze
container and engine manual.
4.
Keep the hood and screen clean. Remove leaves or
grass clippings from screen daily.
5.
Open trap door under the radiator and engine oil
cooler.
6.
Use compressed air, up to 30 psi (2.06 BAR), to
clean the radiator and engine oil cooler fins.
7.
Direct air through the engine side of radiator
towards rear of mower and through rear of oil cooler
towards the front of mower.
8.
Clean the entire compartment underneath the
radiator and close trap door.
9.
Check and tighten the fan belt. Replace clamps and
hoses every two years.
10. If you continue to experience engine or hydraulic
system overheating, have to add coolant more than
once a month, or add more than one quart at a
time, have a authorized Jacobsen Dealer check the
cooling system.
WARNING
To prevent serious bodily injury from hot coolant or
steam blow-out, never attempt to remove the radiator
cap while the engine is running. Stop the engine and
wait until it is cool. Even then, use extreme care when
removing the cap.
CAUTION
Do not pour cold water into a hot radiator. Do not
operate engine without a proper coolant mixture.
Install cap and tighten securely.
WARNING
To prevent burns, do not touch muffler or muffler
shield when opening trap door. Surface temperatures
may exceed 150° F (66° C).
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