MAHLE RTI RRC770A - Manual (Page 9)

Page 6
RECYCLE MODE
Figure 2 - Recycle
To 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. Set Mode Selector to RECYCLE.