Kubota KX057-4, Руководство оператора

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REGULAR CHECKS AND MAINTENANCE WORK 86
B
Replacing Intake Air line
Replace the hoses and clamps, if necessary.
(See "Checking Fuel and Intake Air Line" every 200 hours
maintenance.)
SERVICING AS REQUIRED
B
Checking Amount of Refrigerant (gas)
To avoid personal injury:
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.
2. Look into the sight glass to see if the refrigerant is
flowing through its circuit.
A
Charge only with R134a not R12 refrigerant (gas).
(1) Hoses
(2) Hose clamps
A
Engine speed: About 1500 rpm
A
Temperature control lever: Maximum cooling
position (rightmost)
A
Fan switch: Highest blow (3)
A
Air-conditioner switch: ON
(1) Sight glass