MAHLE RTI TC640 - Manual (Page 7)

RTI Technologies, Inc.
September 15, 1997 Page 6
Figure 2 Recover/Recycle
RECOVER/RECYCLE
To Recover/Recycle, refer to Figure 2 and follow these steps:
1. Attach Red and Blue Hoses to the A/C system per the vehicle manufacturer's
instructions.
Note For R134a Machines
Field Service Couplings on the ends of Service Hoses are of a special design.
The valves have LEFT HAND threads which makes operation opposite to that of
others.
To Close... Turn Counter-clockwise
To Open... Turn Clockwise
The valves MUST BE CLOSED before connecting or disconnecting Field Service
Couplings.
2. Open High and Low Gauge Valves.
3. Open Red and Blue Hose Valves.
4. Press top (ON) of rocker switch marked RECOVER/RECYCLE.
The TC640 will automatically recover and recycle refrigerant from the A/C
System. The vacuum level reached can be seen on the Low Side Gauge.
! TURN THE TC640 OFF, LEAVE THE HOSES CONNECTED !