September 2017
Part No. 57.4400.9219
GTH-1256 AF
4-51
Section 4 • Repair Procedures
AC Unit
12-1
AC Unit
How to Recharge the AC Unit
1 Open the engine compartment.
2 Make sure that all the
fi
ttings are tight and the
cable are properly connected then
fi
ll the circuit
according to the following procedure:
3 Take
a
fi
lling pump similar to the one in the next
image.
4 Using an appropriate adapter, connect the
pump return hose to the appropriate
fi
tting that
is on the hose connected to the "S" port of the
compressor.
5 Connect the pump delivery hose to the
appropriate
fi
tting that is on the hose connected
to the "D" port of the compressor.
6 Set the pump you have in your equipment
to
fi
ll the circuit of the A/C system with 900
grams of Freon gas R134, in accordance to its
instruction, and start the A/C
fi
lling cycle.
