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Tu-21 Double Cylinder Leakdown Detector Assembly is a professional test tool on cylinder pressure and leak severity, and helps further confirm the actual leak location.
JoyFans Automotive Leak Down Tester Kit includes everything you need for a basic fast & effective leak detection of small petrol engine on cars, trucks, motorcycles, ATVs, snowmobiles, boats, etc.
Set Contents
JoyFans 4-piece Cylinder Leak Down Tester Kit
1 * Cylinder Pressure & Leakage Gauge Assembly
1 * 10" Hose
1 * M10 Adapter
1 * M12 Adapter
1 * Instruction
1 * Red Case
JoyFans Cylinder Leak Down Tester Kit
About JoyFans Engine Cylinder Pressure Leakage Gauge Tester
1. Metal, rubber and resin construction.
2. Equipped with air regulator valve, convenient quick coupler and interface to compressor.
Engine Compression Gauge Test Kit
Reasons for choosing this cylinder pressure leak detector kit?
1. One-piece gauge assembly
High precision gauge tester features double gauges, quick pressure readout, and direct / indirect test methods for easy engine system work.
2. Quick and efficient work
Follow the detailed operation details in the instruction, you can quickly get accurate readings and then judge the fault on this basis.
3. Ideal for mechanics
Cylinder compression tester kit is made of high-quality metal and rubber materials, exquisite craftsmanship, sturdiness and durability.
- √ Simple assembly and quick operation.
- √ Pneumatic support, saving time and energy.
- √ Universal fitment for small engine gasoline vehicles with M10, M12 or M14 spark plugs.
Cylinder Pressure & Leakage Gauge Assembly
1. Accurate Work
a. Pressure gauge features high visibility dial and sensitive hands.
Two measuring units (0~100 psi; 0~10 bar). Easy to get the pressure readout.
b. Leakage gauge features clear color distribution, sealing effect of the tested cylinder is obvious at a glance. Range: 0-100%.
Well made and precise(Accuracy: ±0.5%), please handle precision instruments with care.
360-degree protective rubber casing around for outstanding shock-absorption performance.
2. Flexible Built-in Hose
19" in length. 300 psi max W.P.
High quality nylon resin rubber materials. Resistance to oil and corrosion.
Connecting to 10" separate hose in the set through quick coupling design.
Deeply knurled nut for quick finger-tightening, not easy to slip.
Reinforced hose withstands torsion, temperature, and pressure to provide a long service life.
3. Nice Features
a. Air supply offered. Time-saving and more convincing.
b. Air pressure adjust knob has easy control on the input pressure value.
Rubber & Metal Construction
1. Built to Last
Premium forged brass & aluminum are harder and stronger for handling ease with the durability and reliability required for repeated use.
High oil and corrosion resistance.
2. Rubber Hoses
High quality nylon resin rubber materials. Resistance to oil and corrosion.
Reinforced hose withstands torsion, temperature, and pressure to provide a long service life.
3. Precison Manufacturing
Fittings come with deep accurate threads and reliable quality, strengthening the fixation to prevent leakage.
Smooth operation, easy to install and fast to remove.
Easy Usage
1. Remove Schrader valve and close the air regulator valve anticlockwise before using shop air. Connect the separate rubber hose to the gauge assembly, observe the tested cylinder and decide whether you need to install either of the M10 or M12 adapter on that basis.
2. 2 kinds of testing methods. Either is optional as you like.
1. Direct type test
Gauge tester can directly connect to 10" rubber hose for spark plug test.
2. Screw-in type test
Install either of 2 aluminum adapters(M10/M12) based on the first method.
Caring Tips
1. Pay attention to ventilation, keep away from the fire, and prepare a dry powder fire extinguisher (Type B) nearby in advance.
2. Please wear protective mask and gloves throughout the operation. Work in a well-ventilated place.
3. Professional tools must be operated by or under the guidance of professionals.
4. This cylinder leak tester is not for shallow cylinders.
Jim Rice Sr.
Reviewed in the United States on February 16, 2025
Great valvue for the money spent
Oz
Reviewed in the United States on August 18, 2024
Haven’t used the yet, so I can’t say about accuracy. I like that it has a nice case. Can’t see why they’d wouldn’t work.
Jason Barrett
Reviewed in the United States on July 26, 2024
I used this to help check out a used motor I got for an old car project. Plus I used the hose it has to air up the cylinders to swap valve springs during a cam swap and spring upgrade. Quality parts. Works as it should.
Jeffrey Morris
Reviewed in the United States on June 21, 2024
This unit calibrated as it should and gave me accurate readings , now I'm headed in the right direction.Thank you.
SID SMART
Reviewed in the United States on February 13, 2024
Good quality
Tim K
Reviewed in the United States on August 5, 2023
Purchased this unit thinking that it should do what I bought it for. Started using it and when I applied air to it, almost every fitting started leaking air. Looks like they did a terrible job sealing the threads on every part of the item. Would be very skeptical on purchasing this unit. Pretty bad when it comes out of the factory unchecked and not functioning properly.
Tom
Reviewed in the United States on July 30, 2023
The one thing that i can say about cheep, is there will not be any instructions.As far as working, it works very well.
Gabriel Andrés zamudio
Reviewed in the United States on October 10, 2023
La medición no es esacta
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