Komatsu Galeo BR380JG-1E0 Shop Manual page 20

SEN01344-00
8. Precautions for disconnecting and con-
necting hoses and tubes in air conditioner
circuit
1) Disconnection
k
Collect the air conditioner refrigerant
gas (R134a).
k
If the refrigerant gas (R134a) gets in
your eyes, you may lose your sight.
Accordingly, when collecting or adding
it, you must be qualified for handling
the refrigerant and put on protective
goggles.
2) Connection
1] When installing the air conditioner cir-
cuit hoses and tubes, take care that
dirt, dust, water, etc. will not enter
them.
2] When connecting the air conditioner
hoses and tubes, check that O-rings
(1) are fitted to their joints.
3] Check that each O-ring is not dam-
aged or deteriorated.
4] When connecting the refrigerant pip-
ing, apply compressor oil for refriger-
ant (R134a) (DENSO: ND-OIL8,
ZEXEL: ZXL100PG (equivalent to
PAG46)) to its O-rings.
a Example of O-ring (Fitted to every joint of
hoses and tubes)
a For tightening torque, see the precautions for
installation in each section of "Disassembly
and assembly".
6
00 Index and foreword
BR380JG-1E0