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
Summary of Contents for KX057-4
Page 1: ......
Page 15: ...7 SAFE OPERATION 6 DANGER WARNING AND CAUTION LABELS...
Page 16: ...SAFE OPERATION 8...
Page 17: ...9 SAFE OPERATION...
Page 18: ...SAFE OPERATION 10...
Page 19: ...11 SAFE OPERATION...
Page 20: ...SAFE OPERATION 12...
Page 22: ......
Page 74: ...52 EXCAVATOR OPERATION...
Page 122: ...100 LIFTING CAPACITY...
Page 123: ...101 LIFTING CAPACITY...
Page 124: ...102 LIFTING CAPACITY...
Page 125: ...103 LIFTING CAPACITY...
Page 126: ...104 LIFTING CAPACITY...
Page 127: ...105 LIFTING CAPACITY...
Page 128: ...106 LIFTING CAPACITY...
Page 129: ...107 LIFTING CAPACITY...