Manitowoc Q130 series, Technician'S Handbook

Page: 188 / 236

Manifold gauges must be removed properly to
ensure that no refrigerant contamination or loss
occurs. A quick disconnect is required for the high
side connection unless high side valve has shut
off.
188 Part Number 8001119 10/19
RECOVERY/EVACUATION
1. Place the toggle switch in the OFF position.
2. Install manifold gauges, charging scale, and
recovery unit or two-stage vacuum pump.
3. Open the high and low side valves on manifold
gauges.
4. Perform recovery or evacuation:
A. Recovery: Operate the recovery unit as
directed by the manufacturer’s instructions.
B. Evacuation prior to recharging: Pull the
system down to 500 microns. Then, allow the
pump to run for an additional half hour. Turn
off the pump and perform a standing vacuum
leak check.
NOTE: Check for leaks using a halide or electronic
leak detector after charging the ice machine.
Important