TM 9-2350-261-20-1
STE/ICE-R TEST 10 ENGINE RPM
INITIAL SETUP
Tools:
STE/ICE-R Test Set (Item 71.1, App D)
Personnel Required:
Unit Mechanic
References:
See your -10
TM 9-4910-571-12&P
Equipment Conditions:
Engine stopped (see your -10)
Carrier blocked (see your -10)
STE/ICE-R power hooked up (page 3-275)
STE/ICE-R starter circuit test hooked up
(page 3-279)
STE/ICE-R engine RPM test hooked up
(page 3-277)
1. Select TEST 10.
2. Press and release TEST button.
3. VTM will display engine RPM:
CONDITION
ENGINE RPM
CRANKING
100 minimum
IDLE
650-700
GOVERNED
2975-3000
SPEED (NO
LOAD)
a. If error message appears, see page 3-242.
NOTE
At speeds below 50 RPM, the VTM will
display 0. At speeds above 5000 RPM, the
display may give a false reading.
b. If display is erratic or reads 0 with engine
turning, see TM 9-4910-571-12&P.
4. Read cranking RPM while starting engine.
5. Check engine idle speed.
a. Watch VTM for 10 seconds.
b. If engine idle speed does not remain
between 650 and 700 RPM, notify direct
support maintenance.
6. Return to troubleshooting.
END OF TASK
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