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Safety Information
Specications
• ONLY use this tool kit for its intended purpose, connecting the low or high-pressure service port
on air-conditioning systems using R1234yf refrigerant. DO NOT use it on A/C systems running
on any other refrigerants.
• ONLY use the RED coupler on the HIGH-PRESSURE service port. O NLY use the BLUE
coupler on the LOW-PRESSURE port. Using those interchangeably may cause severe property
damage and serious personal injuries.
• ALWAYS turn your A/C system o before starting to replace any damaged valve core.
• DO NOT let children or persons with compromised physical or mental capabilities use this tool.
Do not allow people unfamiliar with this tool or these instructions to operate it.
• DO NOT use this tool if it is damaged or malfunctions. Repair or replace damaged components
before further use.
• ALWAYS use with proper personal protective equipment such as a dust mask, goggles, and
work gloves in a well-ventilated place, as the remaining refrigerant may ow out, irritating your
eyes, nose, throat, and skin or causing frostbite, heart arrhythmia, unconsciousness, and even
death. If you begin to develop symptoms such as headaches, dizziness, or nausea during the
use of this tool, get fresh air IMMEDI ATELY.
• Be E X TR E M E LY careful when disconnecting any parts of this tool or foreign attachments after
use as they may still contain some refrigerant under pressure.
Warning!
Compatible Refrigerants
R1234yf
Couplers
High-Pressure Port Dia. 21/32″ 17 mm
Low-Pressure Port Dia. 9/16″ 14 mm
Male Flares Adaptors (ACME)
1/4″ 6.4 mm
15/32″ 12 mm
Self-Sealing Can Tap Ports
Female 1/2″ 12.7 mm
Male (ACME) 1/4″ 6.4 mm
Puncture Can Tap Ports
Female 1/2″ 12.7 mm
Male (ACME) 1/4″ 6.4 mm
Adapters Ports
Female 1/4″ 6.4 mm
Male (SAE) 1/2″ 12.7 mm
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