TM 9-2320-280-20-1
1. Start Test 10, Engine RPM.
2. Crank or start the engine. Displayed reading is
RPM. Cranking RPM should be at least 100.
Idle RPM should be 625 - 675.
ENGINE RPM
STE/ICE-R TEST 10
REFERENCE INFORMATION
ALTERNATOR
Change 1 2-199
If the engine doesn't start on its own
power, you should check the battery
and starter circuits.
NOTES ON IDLE ADJUSTMENT
If idle can be adjusted to within limits, go to step 5.
If idle CANNOT be adjusted to within limits, you
may have a problem with the fuel system. You can
either continue here or run the fuel system tests
and return here.
BATTERY VOLTAGE
STE/ICE-R TEST 67
1. Start Test 67, battery voltage.
2. Displayed reading is in volts. Batteries should be
23-25.5 volts. Battery voltage will drop when
glowplugs turn on.
NOTES
Check the wiring and the pins at sockets E & F at
PCB/distribution box engine connector.
Check the wiring and the pins at sockets D & G at
PCB/distribution box body connector.
Check and clean starter solenoid and battery box
power stud.
Check and clean battery cables and clamps.
Look for loose, dirty, or broken connections and repair
as necessary. If terminal voltage is still low, harness
should be replaced. Notify DS maintenance.
1. Connect RED clip to the indicated test point,
BLACK clip to negative or ground.
2. Start Test 89, DC volts.
3. Displayed reading is in volts.
0-45 DC VOLTS
STE/ICE-R TEST 89
A charged battery in good condition is a
prerequisite for testing an alternator/regulator
system. If battery is suspect, substitute a known
good battery in the vehicle.
Output for 60 amp alternator is wire 5A and stud.
All other alternators have a large stud on side of
housing as output terminal to connect wire 6.
NOTE
