TM 10-3950-672-24-2
Engine Testing - Service Tools
The following special tools are recommended for testing the engine.
Use of the tool is shown on the appropriate
procedure.
Tool No.
Tool Description
Tool Illustration
Vacuum Gauge
Check the fuel filter restriction during the engine performance
ST-434
test.
Hose Adapter, Part No.ST-434-2, and vacuum gauge, Part
No.ST-424-12, are used to perform the test.
Pressure Gauge
Use to measure the engine intake manifold pressure.
ST-1 273
Oil Filter Wrench
Use to remove or tighten spin-on lubricating oil or fuel filters.
3375049
Blowby Checking Tool
3822476
Water Manometer
Used with the blowby check tool to measure engine crankcase
ST-11 1-3
pressure.
Pressure Gauge (0-160 psi)
Used to measure lubricating oil pressure.
3375275
5-316