TM 9-2320-280-20-1
ENGINE RPM (Average) TEST #10
Description:
This procedure measures engine
speed in the range 50 to 5000 RPM. At
speeds below 50 RPM the VTM will
display 0. At speeds above 5000 RPM
the display may give a false reading.
Test requires DCA hookup only.
Typical Applications:
Check Engine Speed
Pre-Test Procedures
Run Confidence Test.
Possible Error Messages
E014 Incorrect # of cylinders entered
Test Procedure:
1. Set TEST SELECT switches to 10
2. Press and release TEST button
3. Start engine
4. Observe displayed value (RPM).
2-734
