TM 9-2320-280-20-1
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
YES
NO
YES
NO
YES
STARTER CIRCUIT
A
FROM 3,
Page 2-264
A1
DOES THE ENGINE CRANK AT
ALL?
ENGINE DOESN'T
CRANK AT 200 RPM
BATTERIES
STARTER
NEUTRAL SAFETY
SWITCH
CABLES/WIRING
ENGINE MECHANICAL
ROTARY SWITCH
PCB/DISTRIBUTION BOX
GO TO E,
Page 2-284
LISTEN
If the engine cranks, then the
rotary switch, neutral safety
switch and PCB/distribution box
are all working.
A2
IS THE BATTERY VOLTAGE
23-25 VOLTS?
ENGINE CRANKS SLOW
BATTERIES
STARTER
ENGINE MECHANICAL
CABLES/CONNECTIONS
1. STE/ICE-R TEST 67
(Page 2-740)
2. MULTIMETER
If batteries are weak they
can't provide enough current
to crank the engine properly.
REPLACE BATTERIES
OR CHECK EACH
BATTERY
A3
IS THE BATTERY VOLTAGE AT
LEAST 18.5 VOLTS DURING
CRANKING?
1. STE/ICE-R TEST 67 (Page 2-740)
2. MULTIMETER
Batteries must be able to
maintain voltage or the engine
won't crank.
BATTERY VOLTS OK
STARTER OK
WEAK BATTERIES
ENGINE MECHANICAL
CABLES/CONNECTORS
STARTER
REPLACE
BATTERIES
2-268 Change 1
GO TO A4,
Page 2-270
DIAGNOSTIC FLOWCHART
