Maintenance work on the superstructure
8.13 Air conditioning system
07.12.2017
Maintenance manual 3 302 649 en 8 - 77
GMK4090
Refrigerant
Compressor oil: POE OIL; EMKARATE RL68H
Filler connections
The filler connections (1) for the refrigerant are
on the compressor behind the cover (2).
Depending on the output (KW) of the
air-conditioning system there may be two
separate refrigerant circuits, which must be
filled separately. There are then four filler
connections (1) instead of two.
Fill quantity
in kg (lbs)
Designation CAS no.
EC no.
1,0 (2,2)
1-circuit (3 KW)
Tetrafluoroethane (R134a)
811-97-2
212-377-0
2 x 0.95 (2.1)
2-circuit (6 KW)
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