Discharging, Evacuating And Charging; Discharging The Refrigerant - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

[2] DISCHARGING, EVACUATING AND CHARGING

IMPORTANT
• When discharging, evacuating or charging the refrigerating system, be sure to observe the "4.
PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE" on page 10-S7.

(1) Discharging the Refrigerant

Prepare for the R134a refrigerant recovery and recycling
machine.
1. Connect low pressure side hose (yellow) (5) from the recovery
and recycling machine to LO pressure side charging valve (2).
Connect high pressure side hose (red) (4) to HI pressure side
charging valve (3).
2. Follow the manufacturers instructions and discharge the
system.
IMPORTANT
• Use only R134a refrigerant recovery and recycling
machine. Eliminate mixing R134a equipment, refrigerant,
and refrigerant oils with R12 system to prevent compressor
damage.
CAUTION
• Protect fingers and eyes with cloth against frostbite by
refrigerant when disconnecting the hose to the charging
valve.
(1) Manifold Gauge
(2) LO Pressure Side Charging Valve
(3) HI Pressure Side Charging Valve
(4) Charging Hose (Red)
10-S18
9Y1211109CAS0026US0
(5) Charging Hose (Yellow)
(6) HI Pressure Side Valve
(7) LO Pressure Side Valve
9Y1211109CAS0027US0
KiSC issued 11, 2014 A
CABIN