151
SJ6826RT, SJ6832RT
213560ABA
Engine
Section 5 – Procedures
5.3-10 Checking and Replenishing the
Radiator Coolant Level
Kubota recommends checking the coolant level daily.
Checking and Replenishing Coolant
1.
Check the coolant level via the recovery tank.
Coolant should be between the FULL and LOW
marks.
2.
If the coolant is too low, determine the cause
and remedy it by following Step A or B below:
A – Leaks
3.
Inspect both drain plugs and the radiator hoses.
Repair or replace faulty or leaking components.
4.
Pre-mix 50% long-life coolant and 50% clean,
soft water, stirring it well, and replenish the
recovery tank up to the FULL line.
IMPORTANT
Do not intermix different brands of coolant. If the
existing coolant cannot be identified, drain the
remaining coolant and refill with new coolant.
Refer to 5.2-11 for instructions on draining the
coolant.
B – Evaporation
5.
Replenish the recovery tank up to the FULL line
with clean, soft water.
Drain plugs
Radiator cap
5.3-11
Draining and Refilling the Radiator
Kubota recommends completely draining and
replacing coolant once a year.
WARNING
Do not remove the radiator cap until the coolant
had dropped below its boiling point.
1.
Place containers under the drain plugs to catch
the coolant. One drain plug is located on the
underside of the radiator, and the other on the
body of the engine.
2.
Open both drain plugs, and slowly open the
radiator cap to relieve pressure. Then open the
radiator cap fully. The coolant will start to drain.
3.
Place a container under the recovery tank, and
disconnect the overflow hose from the underside
of the tank. Drain the tank.
4.
When all the coolant has drained from the
radiator, engine, and recovery tank, reconnect
the recovery tank hose, and close both drain
plugs.
5.
Pre-mix 50% long-life coolant and 50% clean,
soft water, stirring it well.
6.
Refill the radiator, venting air from the upper and
lower radiator hoses by jiggling them while filling
the radiator with coolant. The coolant should
reach the FULL line on the recovery tank, but not
go past it.
7.
Securely close the radiator cap.
8.
Start the engine and run it for a few minutes,
then shut it off.
9.
Check the coolant level on the recovery tank
once again, and add more coolant to the tank if
needed.
FULL
LOW
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