Product ID: SD-1028

Auto Repair Tools--Gas Cylinder Compression Tester


TESTING
1. Connect the quick couplingˇ¦s head of air gauge assembly to the pipe or the cone rubber hose then screw the pipe in or push the rubber hose into the spark plug hole.

2. Start engine to run at least 4 compression strokes or until the pressure of air gauge remains a fix level. Then, stop engine and write down the reading on air gauge.

3. Remove the tester and return air gauge to zero. Fit the spark plug and the connecting wires back and continue the test of the next cylinder.

Cosda manufacturing company manufactures "Gas Cylinder Series" for "Auto Repair Tools" & "Gas Cylinder Series" for "Car Repair Tools".
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Cylinder Compression Tester

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Specifications:
  • If a normal cylinder, the pressure should be getting higher after each compression stroke then up to the maximum. The pressure of each cylinder in the same engine should be within the standard set by the manufacturer.
  • If the pressure remains the same or not getting higher until several compression strokes, then the valve is probably clogged.
  • If the pressure in two adjacent cylinders is not more than 20 lbs, lower than another cylinder, then the gasket in the head is probably damaged.
  • If the pressure is much higher than the standard set by the manufacturer then probably carbon residue is existed.
  • If the pressure is low or a big difference between the cylinders, get a teaspoon of SAE30 oil into each cylinder then test again. After this test, if the pressure increased much, the problem is probably the cylinder was not seated properly or the piston ring was worn out. If the pressure not changed much, then the valve is probably leaked.
Features:
  • WARNING
    • This tester is only suitable for gas cylinder (car or motorcycle). Do not use it on the disel cylinder of car. Be careful, the high temperature of pressure during test.
  • During test, if the reading of air gauge is getting up but getting down after the engine is stopped, then the stop valve in the gauge is broken and has to be repaired.
Ordering information:

  • Minimum Order: Negotiable
  • TEL: 886-4-22775274
  • FAX: 886-4-22756531

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