Kubota M7131, Operator'S Manual

Page: 273 / 298

241 PERIODIC SERVICE
A
Do not start engine without coolant.
A
Use clean, fresh soft water and anti-freeze to fill the
radiator and recovery tank.
A When mixing the anti-freeze with water, the anti-freeze
mixing ratio is 50%.
A
Securely tighten radiator cap. If the cap is loose or
improperly fitted, water may leak out and the engine
could overheat.
A On cab type machines, coolant circulates through the
heater. This means that one more liter or so of coolant
is required.
In changing coolant, pour coolant up to the filler port of
the recovery tank. Turn ON the heater (shift the
temperature control dial toward WARM), and run the
engine for a while in order to warm coolant. Then stop
the engine.
When coolant has cooled down, some of the coolant in
the recovery tank is sucked. Now the recovery tank is
appropriately filled with coolant.
B
Anti-Freeze
To avoid personal injury or death:
A
When using anti-freeze, put on some protection
such as rubber gloves (Anti-freeze contains
poison).
A If it is swallowed, seek immediate medical help.
Do NOT make a person throw up unless told to
do so by poison control or a health care
professional. Use standard first aid and CPR
for signs of shock or cardiac arrest. Call your
local Poison Control Center or your local
emergency number for further assistance.
A
When anti-freeze comes in contact with the
skin or clothing, wash it off immediately.
A
Do not mix different types of Anti-freeze.
The mixture can produce chemical reaction
causing harmful substances.
A Anti-freeze is extremely flammable and
explosive under certain conditions. Keep fire
and children away from anti-freeze.
A
When draining fluids from the engine, place
some container underneath the engine body.
A
Do not pour waste onto the ground, down a
drain, or into any water source.
A
Also, observe the relevant environmental
protection regulations when disposing of anti-
freeze.
Always use a 50/50 mix of long-life coolant and clean soft
water in KUBOTA engines.
Consult your local KUBOTA Dealer concerning coolant for
extreme conditions.
1. Long-life coolant (hereafter LLC) comes in several
types. Use ethylene glycol (EG) type for this engine.
2. Before employing LLC-mixed cooling water, fill the
radiator with fresh water and empty it again.
Repeat this procedure 2 or 3 times to clean up the
inside.
3. Mixing the LLC
Premix 50% LLC with 50% clean soft water. When
mixing, stir it up well, and then fill into the radiator.
4. The procedure for the mixing of water and anti-freeze
differs according to the make of the anti-freeze and the
ambient temperature. Refer to SAE J1034 standard,
more specifically also to SAE J814c.
(1) Recovery tank
(2) Radiator cap (A) "MAX"
(B) "MIN"
Vol %
Anti-freeze
Freezing Point Boiling Point*
50 -37 108