constants
TM 9-2320-280-20-1
POWER TEST (RPM/SEC) TEST #12
Description:
This procedure measures an engine’s
power producing potential in units of
RFM/SEC. Test requires DCA hookup
only.
Typical Applications:
Check engine power in units of
RPM/SEC.
Test Procedure:
1. Start and idle engine
2. Set TEST SELECT switches to 10
3. Press and release TEST button
4. Observe displayed value (RPM) to adjust idle
Speed if necessary.
5. Press down sharply on accelerator end
observe displayed value (RPM) to adjust
governor speed if necessary.
6. Set TEST SELECT switches to 12.
7. Press and release TEST button.
8. Wait for prompting message CIP to appear.
9. When CIP appears on display, press down
sharply on engine accelerator end hold it to
the floor. When VTM displays a number,
release accelerator.
10. Observe displayed value (RFM/SEC).
Pre-Test Procedures:
Run Confidence Test. Warm up
engine to operating temperature.
Possible Error Messages:
E009 Engine not running at start
of test.
E011 Throttle control operated
incorrectly.
E012 Ignition adapter/pulse
tachometer missing.
E014 Incorrect number of
cylinder entries.
E033 Error in entry of power test
NOTES
Engine idle speed must rechecked
before performing power test. Idle
spead must be within the range
625-675 RPM (6.2L and 6.5L)
range to run test.
Engine governor no bad speed
must be checked before performing
power test. Governor no-load
speed must be within the 3900-
4100 RPM (6.2L) end 3600-3600
RPM (6.5L) range to run test.
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