300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
2.
If A/C compressor binding is not present. fill A/C system with fresh recycled refrigerant and perform refrigerant leak test. (Figure 1).
CAUTION:
Observe specifications on Fill Capacity Label.
3.
Check for proper operation of A/C system.
Models 124, 129
If parts require replacement, only R134a-type components are to be installed.
Models 107, 126, 201
If the A/C lines, condenser or evaporator require replacement, please continue with "C. Removal of Mineral Oil from A/C System".
Note:
If replacing the A/C compressor, use a compressor designed for refrigerant R134a if available. If a R134a compressor is not available as a spare part,
be certain to drain the mineral oil from the new R12 compressor prior to installation.
CAUTION:
In this case, do not refill A/C system with R12, please continue with "D. Replacing Receiver Drier".
C.
Removal of Mineral Oil from A/C System
Note:
During the conversion to R134a refrigerant, it is important to remove as much mineral oil from the A/C system as possible.