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3-Handling Instructions
Piping precautions
1. Position the O-Ring against the bulge in the
pipe when connecting hoses and pipes.
2. Coat the piping connections and the O-rings
with PAG oil.
3. Fit the nuts and unions tightly against the
base of the companion pieces, then hand
tighten the nut as much as possible. Then
tighten to the specified torque.
CAUTION!
Always use the specified oil for HFC134a
systems to coat the O-rings.
O-ring positions
Pipping connection procedure
O-ring Pipe bulge
Apply oil thoroughly to these areas
Union
Nut
Piping connection
Damage
Gnawing at pipe end
Compressor / condenser connection
CORRECT
CORRECT
INCORRECT
INCORRECT
INCORRECT
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