Lubricating Points; Adding Washer Liquid; Checking The Amount Of Refrigerant (Gas) - Kubota M5N-091 Operator's Manual

132 PERIODIC SERVICE
BLubricating Points
(1) Door hinge
(2) Rear window hinge
BAdding Washer Liquid
Add a proper amount of automobile washer liquid.
(1) Washer liquid tank
Washer tank capacity 2.0 L (2.1 U.S.qts.)
BChecking the Amount of Refrigerant (gas)
To avoid personal injury or death:
A Liquid contact with eyes or skin may cause
frostbite.
A In the event of a leakage, wear safety goggles.
Escaping refrigerant can cause severe injuries
to eyes.
A In contact with a flame, R134a refrigerant gives
a toxic gas.
A Do not disconnect any part of the refrigeration
circuit of the air conditioning system. Consult
your local KUBOTA Dealer for assistance and
service.
A shortage of refrigerant impairs the air-conditioner
performance. Check the following points. If it is indicated
that the amount of refrigerant is extremely low, ask your
dealer to inspect and charge.
C Checking procedure
1. Run the air-conditioner in the following conditions.
A Engine speed:
A Temperature control dial: Maximum cooling position
A Fan switch:
A Air-conditioner switch:
2. Look into the sight glass to see if the refrigerant is
flowing through its circuit.
(1) Sight glass
About 1500 rpm
Highest blow (HI)
ON