TM 5-3805-262-20
3-32. CHARGING SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ALTERNATOR NOT CHARGING BATTERIES (Cont).
S t e p 2 . ( C o n t ) .
Turn off loader driving lamps, flood lights, accessories, and engine.
Disconnect test probe cable W2 test clips from alternator BAT termi-
nal
a .
b .
and loader or alternator frame.
If VTM displays 26.5 to 31 volts, check for loose wiring connec-
tion between alternator BAT terminal, starter relay, and starter
solenoid. If connections are tight, check brown wire between al-
ternator BAT terminal and starter relay and cable between
starter relay and starter solenoid for open circuit. Repair or
replace wire or cable as necessary (page 5-174).
If voltage is less than 26.5 volts, go to step 3 below.
Step 3.
Connect transducer cable W4 connector P1 to VTM J2.
Connect transducer cable W4 connector P2 to current probe (TK item
11).
Clamp current probe around battery positive cable with current probe
arrow pointing away from battery. Be sure current probe is closed.
Shut off fuel by pulling fuel SHUT OFF control out.
Dial 10 into VTM TEST SELECT and press and release TEST button.
Crank engine for 10 seconds then turn ignition key switch to off po-
s i t i o n .
Remove current probe from around battery positive cable.
S t a r t e n g i n e.
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