REGULAR CHECKS AND MAINTENANCE WORK86
BReplacing Intake Air line
Replace the hoses and clamps, if necessary.
(See "Checking Fuel and Intake Air Line" in "EVERY 200
SERVICE HOURS")
BReplacement of Oil Separator Rubber
Hose
Consult your local KUBOTA Dealer for this service.
BReplacement of Diesel Particulate Filter
(DPF) Differential Pressure Sensor
Rubber Piping (Front and Back)
Consult your local KUBOTA Dealer for this service.
BReplacement of Suction pipe downstream
the AFS (Air Flow Sensor)
Consult your local KUBOTA Dealer for this service.
BReplacement of Boost Sensor Pressure
Rubber Piping
Consult your local KUBOTA Dealer for this service.
BReplacement of EGR Cooler Hose
Consult your local KUBOTA Dealer for this service.
SERVICING AS REQUIRED
BChecking 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 result
in 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 reduces 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
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