TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 537 of 1205
TM 9-2320-387-24-l
2-46.
STUICE-R
TEST PROCEDURES
(Cont’d)
POWER TEST (RPM/SEC) TEST #12
Description:
This procedure
measures an engine’s
power-producing
potential in units of
RPM/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
and
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
and hold it to
the floor. When VTM displays a number,
release accelerator.
10. Observe displayed
value (RPM/SEC).
Pre-Test Procedures:
Run confidence test. Warm up
engine to operating
temperature.
Possible
Error Messages:
Eoog
Engine not running at start
of test.
Eel 1 Throttle control operated
incorrectly.
E012
Ignition adapter/pulse
tachometer
missing.
E014
Incor.
.&t
number of
cylinder entries.
E033
Error in entry of power test
constants.
NOTES:
Engine idle speed must be checked
before performing
power test. Idle
speed must be approximately
675 rpm to run test.
Engine governor
no-load speed
must be checked before performing
power test. Governor
no-load
speed must be within the 3.600 -
3,800 rpm range to run test.
2-491
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