CABIN
B2050, B2350, B2650, B3150, WSM
10-S17
[2] DISCHARGING, EVACUATING AND CHARGING
• When discharging, evacuating or charging the refrigerating system, be sure to observe the
"PRECAUTION AT REPAIRING REFRIGERANT CYCLE".
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(1) Discharging the System
Discharging R134a Refrigerant
Prepare for the R134a refrigerant recovery and recycling
machine.
1. Connect low pressure side hose (blue) from the recovery and
recycling machine to LO pressure side charging valve (1) on the
compressor (3). Connect high pressure side hose (red) to HI
pressure side charging valve (2) on the compressor (3).
2. Follow the manufacturers instructions and discharge the
system.
• Use only R134a refrigerant recovery and recycling
machine. Eliminate mixing R134a equipment, refrigerant,
and refrigerant oils with R12 systems to prevent
compressor damage.
• Protect fingers with cloth against frostbite by refrigerant
when disconnecting the hose to the charging valve.
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(1) LO Pressure Side Charging Valve
(2) HI Pressure Side Charging Valve
(3) Compressor