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RESTORING OIL IN THE SYSTEM If during the recovery and recycle phase, oil from the system - take the metering device supplied with the right amount of lubricant for the system concerned, or previously - connect the metering device (1) to the lubricant injection valve V3; - open the valve V3 and then carry out the system vacuum phase for a few moments; - open the valve mounted on the metering device container (1). The oil will be drawn into the system; - close the valve V3 and the valve on the metering device container when the required quantity of lubricant has - disconnect the metering device (1) from the injection valve V3 and fit the protective cap back on. - never open the oil injection valve V3 if the system has positive pressure; - oil should only be injected with a vacuum in the system; - the oil level must never fall under the suction pipe (air would get into the system). 1 50639 Figure 25 Keep the oil containers well sealed in order to avoid NOTE 26 CAB AIR-CONDITIONING D AILY |