Robinair 34288 Recovery, Recycling, Recharging Unit - Manual (Page 11)

9
543175 Rev. H, June 25, 2013
Evacuate the A/C System
1 . .Ensure .service .hoses .are .connected, .and .coupler .
valves .are .OPEN .
2 . .Press .VACUUM .
3 . .Press .START / YES .to .accept .the .default .evacuation .
time .of .10 .minutes, .or .enter .the .desired .vacuum .time .
using .the .number .keys, .and .press .START / YES .
IMPORTANT: The unit pulls a vacuum on the
vehicle A/C system to remove air and boil off
moisture that may be present in the system.
Evacuate the system for at least 10 minutes,
or follow the A/C system manufacturer’s
specifications, to ensure adequate moisture
and contaminant removal.
4 . .The .unit .evacuates .the .A/C .system .and .stops .when .
the .specified .amount .of .time .has .elapsed .
. Press .STOP / NO .to .pause .the .process . .Press .
START / YES .to .resume, .or .STOP / NO .again
to .exit .
You .are .now .ready .to .replenish .the .A/C .system .with .
new .oil, .if .necessary, .or .to .recharge .the .system .with .
refrigerant .
Operating Instructions
Operating Tips
• If the vacuum pump has run for 10 or more
hours without an oil change, the unit displays
VACUUM .OIL .TIME .XX:XX
CHANGE .OIL .NOW?
Refer to instructions outlined in the Maintenance
section under Change Vacuum Pump Oil.
• Before the unit begins evacuating the A/C
system, it checks for any pressure in the
system that might damage the vacuum pump.
If pressure is detected, the unit displays
PRESSURE .EXISTS
PRESS .ANY .KEY .TO .EXIT
Press any key to exit, and recover refrigerant
before proceeding.