MAHLE RTI RHS780 - Manual (Page 8)

December 9, 2002 Page 7
DRAINING RECOVERED OIL
Oil is separated from the recovered refrigerant and MUST be removed following EACH
Recover/Recycle procedure to determine the amount (if any) necessary to add into the
A/C System as follows:
Note: The RHS780 must be connected to power source. Draining Recovered
Oil may be done while the RHS780 Vacuum Pump is ON.
1. Setup the RHS780 as shown on Page 4 and press and hold the Oil Drain Re-
pressurization Switch (17) for 5 seconds and then release it.
2. Slowly open the valve on Oil Drain Bottle (18) to drain any oil which may have
been removed from the A/C System.
Unless the A/C System had previously been overfilled, the RHS780 will typically
not remove enough oil to make replenishment necessary.
3. Close the valve on the Oil Drain Bottle (18).
4. Press and hold the Oil Drain Re-pressurization Switch (17) for 5 seconds. This
permits any residual Non-Condensable Gas to be re-circulated for reprocessing
during the next recycle procedure.