What are the directions for the use of these: "Includes extra 2 pieces low side oil checker"?

Put the oil checker between your thumb, index finger and middle finger and with the A/C compressor running, push down on the low pressure (suction line - which is normally the big A/C line) 2 or 3 times. Set oil checker upright for 3-5 minutes then pick up the oil checker and check the oil level.

Is that blue thing an on-off valve knob ?

That's the standard low pressure connector for r134

Works all automotive trucks SUV?

Works for vehicles with refrigerant R-134a or R-1234yf.

Hi likes knows how works on suv's and series f150?

A. Purging air from the hose assembly It is important to eliminate any air in the hose before iniecting dve into the A/C system. (This process is necessary only once for the setup). 1. Hold the dye injector body upward while unscrewing the cap/hose assembly. Tun the handle of dye injector body counter clockwise all the way before filling.Fill the injector with dye. Replace cap/hose assembly, tightening securely. 2. While holding the assembly upward, start turning the handle body clockwise. Continue turning as dye enters the hose and pushes the air up. Use a pen to press the depressor of the coupler to release the air. Repeat this process as needed until dye appears at the coupler's end. B.Injection 1. Turn the A/C system and engine off!! 2. Connect injector to the low side service port of A/C system. Hold body of injector. Use injector body starting line on handle end as a guide. Turn handle clockwise to inject body application of dye. (Approximately 1 to 1-1/4 turn(s) for Concentrated Dye). (Approximately 3 1/2 turns(s) for Standard Dye). 3. Disconnect injector from the system and clean any excess dye left around the service port

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Description

🧊 Keep your A/C chill and flawless with pro-grade precision!

RISK FREE SATISFACTION - Backed by a 1-year warranty and hassle-free returns—confidence guaranteed.
UNIVERSAL COMPATIBILITY - Seamlessly works with R134A, R1234YF, and R410A systems for ultimate versatility.
USER FRIENDLY OPERATION - Novice-friendly setup with quick-connect couplers and clear oil checkers.
ROBUST LIGHTWEIGHT DESIGN - Crafted from aluminum alloy and brass for durability without the bulk.
PRECISION OIL DYE INJECTION - Inject exact amounts with easy twist control—no guesswork, no mess.

The Lichamp AC Oil Injector Kit is a professional-grade tool designed for precise injection of oil and dye into automotive A/C compressors. Compatible with R134A, R1234YF, and R410A refrigerants, it features a durable aluminum alloy body, heavy-duty brass couplers, and a pressure rating up to 3000 PSI. Its easy-to-use adjustable coupler and included oil checkers make it perfect for both pros and DIYers, ensuring efficient maintenance and leak detection with peace of mind thanks to a 1-year satisfaction guarantee.

Specifications

Brand	Lichamp
Voltage	12 Volts
Recommended Uses For Product	Tire Inflation
Power Source	Air Powered
Special Feature	Automatic Shut-Off
Included Components	injector, 2 couplers, 2 oil checkers
Item Weight	1.65 Pounds
Capacity	60 Milliliters
Colour	Silver
Material	Aluminum Copper
Product Dimensions	8.5L x 6W x 23H Centimeters
Style	Fashion
Compatible Hose Diameter	0.25 Inches
Model Name	Oil Injector
Tank Volume	59 Millilitres
Maximum Operating Pressure	3000 Pound per Square Inch
Manufacturer	Lichamp
Item model number	ODI-A00100
Exterior	brass
Manufacturer Part Number	ODI-A00100
Size	medium
Special Features	Automatic Shut-Off
Country of Origin	USA
Item Weight	748 g

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