Replacing Intake Air Line; Servicing As Required; Checking Amount Of Refrigerant (Gas) - Kubota U35-4 Operator's Manual

BReplacing Intake Air line
Replace the hoses and clamps, if necessary.
(See "Checking Fuel Line and Intake Air Line" in "EVERY
200 SERVICE HOURS")
(1) Hoses
(2) Hose clamps

SERVICING AS REQUIRED

BChecking 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 result
in a toxic gas.
A Do not disconnect
refrigeration circuit of the air conditioning
system. Consult your local KUBOTA Dealer for
assistance and service.
REGULAR CHECKS AND MAINTENANCE WORK
any part of the
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.
A Engine speed:
A Temperature control lever: Maximum cooling
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
A Charge only with R134a not R12 refrigerant (gas).
77
About 1500 rpm
position (rightmost)
Highest blow (3)
ON