TM 9-2350-287-10
TROUBLESHOOTING (Batteries/Generating System) (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BATTERlES/GENERATlNG SYSTEM
9.
BATTERIES WILL NOT CRANK ENGINE
Step 1. Check to see if battery cables are loose, damaged, or corroded.
If loose, damaged, or corroded, notify Unit maintenance.
Step 2. Check BATTERY-GENERATOR gage on instrument panel, when MASTER
switch is set to ON, to see if indicator reads in green range.
If indicator does not read in green range, charge batteries (p. 2-125).
If condition persists, notify Unit maintenance.
10. BATTERIES DO NOT STAY CHARGED
Step 1. Check for excessive use of electrical systems when engine is not running.
Make sure all electrical accessories are OFF when not in use.
Step 2. Check BATTERY-GENERATOR gage on instrumentpanel, when MASTER
switch is set’to ON, to see if indicator reads in green range.
If indicator does not read in green range, charge batteries (p. 2-125).
11. BATTERIES WILL NOT CHARGE
Step 1. With main engine or the APU running, check BATTERY-GENERATOR
gage on instrument panel to see if indicator reads in green range.
If indicator does not read in green range, go to step 2.
Step 2. If using the APU, press reset button on APU voltage regulator.
If problem persists, go to step 3.
Step 3. If using the APU, make sure hydraulic pressure is between 100 and 300 psi.
If not, adjust pressure. If problem persists, notify Unit maintenance.
12. MASTER SWITCH LAMP DOES NOT LIGHT
Step 1. Check to see if MASTER switch is set to ON.
If not. turn switch to ON.
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Step 2. Check to see if bulb is burned out.
If burned out, replace bulb.
Change 1
