Engine Does Not Crank-Flowchart 3A - WACKER Group LTC 4 Repair Manual

LTC Repair
5.2 Engine Does Not Crank—Flowchart 3A
Engine Does Not Crank
Check battery voltage.
Does
battery measure
11.0–13.0V?
No
Recharge or
replace battery.
Consult
Yes
Lombardini
engine repair
manual.
wc_tx000364gb.fm
Lombardini Engine Troubleshooting
Yes
Reconnect
black wire.
Clean and
tighten connections.
Repair wiring
from terminal 30
to battery.
Check for battery voltage
between black wire at starter
solenoid and ground when
key is in START position.
Is battery
voltage measured
between black wire
and ground?
No
Repair/replace
black wire.
Checking Keyswitch and Wiring
Check connection of black wire at
starter solenoid. Also check wire
connections at back of keyswitch.
No
No
Check for battery voltage between
terminal 30 of keyswitch and ground.
No
Check for battery voltage between
terminal 50 and ground when key
is placed in the START position.
Yes
63
Is
the black wire
connected?
Yes
Are
connections clean
and tight?
Yes
Is battery
voltage measured
between 30 and
ground?
Yes
Is battery
voltage measured
between 50 and
ground?
No
Replace keyswitch.
wc_gr003083