77
PERIODIC SERVICE
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).
A
Engine speed:
About 1500 rpm
A
Temperature control lever: Maximum cooling
position (leftmost)
A
Fan switch:
Highest blow (HI)
A
Air-conditioner switch:
ON
(1) Sight glass
Summary of Contents for B2630
Page 15: ...7 SAFE OPERATION 7 DANGER WARNING AND CAUTION LABELS...
Page 16: ...SAFE OPERATION 8...
Page 17: ...9 SAFE OPERATION...
Page 18: ...SAFE OPERATION 10...
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