Mastercool 69110 AUTOMOTIVE A-C RECOVERY SYSTEM - Manual (Page 4)

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OPTIONAL RECOVERY MACHINE PURGE
NOTE: If Recovery Machine has stopped because of the low pressure switch, turn power switch off.
1. Turn inlet valve to PURGE. Turn center valve to PURGE. Outlet valve should be in the OPEN position. Turn the power
switch on. If the machine does not start, turn the power switch off. Rotate the center valve between PURGE and
RECOVER until the inlet and outlet pressures are within 70 PSI of each other. Leave the center valve in the PURGE
position. Turn the power switch on.
2. Purge may take a minute as some liquid refrigerant may be in the Recovery System.
3. If draining oil, turn the Recovery Machine off when the inlet is between 10 PSI and 2 PSI. Otherwise, turn the recovery
system off when the inlet pressure is 15” hg or below.
4. If venting of system is required, disconnect outlet hose to relieve residual pressure after purge.
5. The inlet port has a fine screen filter. Remove inlet nut and clean screen filter after every use.
TO DRAIN RECOVERED OIL
CAUTION! Do not cap the open bottle neck! The neck must remain open to vent pressure.
NOTE! The oil separator capacity is approximately 1.5 oz which can cover 8-10 normal recoveries. However, some
systems deposit more oil in the separator due to high pressure or excessive oil in the system. It is recommended
that oil is drained after each use of the recovery machine.
1. Check pressure on recovery machine inlet pressure gauge. Pressure must be below 10 PSI (.7 Bar), but above
2 PSI (.1 Bar).
2. Insert short yellow hose into the “plastic bottle with two openings” which is supplied. Carefully attach the short yellow
hose to the oil drain fitting on the recovery machine. As hose is tightened on fitting, oil will flow into container. (Hose is
equipped with a depressor which will open core valve in oil drain fitting).
3. When oil has drained completely, disconnect the hose from the system. Unscrew the cap/hose from the bottle and
dispose of the oil into an environmentally approved container.
For replacement parts and/or service contact Mastercool Inc., 1 Aspen Drive, Randolph, NJ 07869.
Phone: 973-252-9119
REPLACEMENT PARTS
Product Part #
Mastercool Storage Cylinder 67011 (This storage tank must be used with the 69110 Recovery Machine)
69110-INST-UNIV