Installation
1. Attach charging hoses to gauge block. Tighten the nuts by hand.
2. Install the quick-release adapters on the hoses.
3. Close both gauge block valves.
4. Remove the plugs from the cooling line service valves.
5. Attach the quick-release adapters to the service valves. Make sure the high and low pressure hoses are connected to the appropriate service valves.
Removing
1. Close both gauge block valves
2. Disconnect the charging hoses from the cooling line service valves. 3. Install plugs on the service valves.