Changing Coolant - Kubota D722-E4 Operator's Manual

2. If the radiator is provided with a recovery tank, check
the coolant level of the recovery tank. When it is
between the "FULL" and "LOW" marks, the coolant
will last for one day's work.
(1) Recovery tank
3. When the coolant level drops due to evaporation, add
water only up to the full level.
4. Check to see that two drain cocks; one is at the
crankcase side and the other is at the lower part of the
radiator as figures below.
(1) Coolant drain cock
(A) "FULL"
(B) "LOW"
PERIODIC SERVICE
A If the radiator cap has to be removed, follow the
caution and securely retighten the cap.
A If coolant should be leak, consult your local KUBOTA
dealer.
A Make sure that muddy or sea water does not enter the
radiator.
A Use clean, fresh water and 50% anti-freeze to fill the
recovery tank.
A Do not refill recovery tank with coolant over the
"FULL" level mark.
A Be sure to close the radiator cap securely. If the cap is
loose or improperly closed, coolant may leak out and
decrease quickly.
BChanging coolant
1. To drain coolant, always open both drain cocks and
simultaneously open the radiator cap as well. With the
radiator cap kept closed, a complete drain of water is
impossible.
2. Remove the overflow pipe of the radiator pressure cap
to drain the recovery tank.
3. Prescribed coolant volume (U.S.gallons)
Models
Z482-E4, Z602-E4
D722-E4, D782-E4,
D902-E4, D902-T-E4
A Coolant quantities shown are for standard radiators.
4. An improperly tightened radiator cap or a gap between
the cap and the seat quickens loss of coolant.
5. Coolant (Radiator cleaner and anti-freeze)
Season
All seasons
17
Quantity
2.8 L (0.74 U.S.gals.)
3.1 L (0.82 U.S.gals.)
Coolant
Pure water and anti-freeze
(See "Anti-freeze" in
"RADIATOR" section.)