TM 5-2420-230-24-2
Engine Testing - Service Tools
Section 14 - Engine Testing - Group 14
Page 14-2
B Series Shop Manual
Engine Testing - Service Tools
The following special tools are recommended to perform procedures in Group 14. The use of these
tools is shown in the appropriate procedure. These tools can be purchased from your local Cummins
Authorized Repair Location.
Tool No.
Tool Description
Tool Illustration
Vacuum Gauge
Check the fuel filter restriction during the engine performance
test.
ST-434
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-1273
Oil Filter Wrench
Use to remove or tighten spin-on lubricating oil or fuel filters.
3375049
Blowby Checking Tool
Use to check engine crankcase blowby.
3822476
Water Manometer
Used with the blowby check tool to measure engine crankcase
pressure.
ST-1111-3
Pressure Gauge (0-160 psi)
Used to measure lubricating oil pressure.
3375275
L-432
