TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 162 of 1563
TM 9-2815-220-24
GENERATOR ABNORMAL OPERATION (300 AMPERE)
0022 00
MALFUNCTION 2:
Undercharging (maximum indicator reading in “yellow” during vehicle operation).
PROBABLE CAUSE
CORRECTIVE ACTION
a. Loose, corroded or grounded battery
terminals or cables.
(1) Inspect, clean, tighten, repair or replace as
necessary (refer to pertinent vehicle
technical manual).
(1) Check individual battery cells (refer to
pertinent vehicle technical manual).
b. Defective batteries.
(2) Replace batteries (refer to pertinent vehicle
technical manual).
c. Voltage regulator defective.
(1) Inspect voltage regulator and replace if
necessary (refer to pertinent vehicle
technical manual).
MALFUNCTION 3:
Overcharging (indicator reads right “red”).
PROBABLE CAUSE
CORRECTIVE ACTION
a. Loose or corroded battery terminals, or
grounded cables.
(1) Inspect, clean, tighten, or repair as
necessary (refer to pertinent vehicle
technical manual).
b. Defective batteries.
(1) Check individual battery cells.
Replace
defective batteries (refer to pertinent vehicle
technical manual).
c. Voltage regulator defective.
(1) Inspect voltage regulator and replace if
necessary (refer to pertinent vehicle
technical manual).
MALFUNCTION 4:
Discharging (indicator reads in left “red”).
PROBABLE CAUSE
CORRECTIVE ACTION
a. Heavy load or “short” in vehicle system.
(1) Check electrical system circuits (refer to
pertinent vehicle technical manual).
MALFUNCTION
Erratic charging (Indicator fluctuates).
PROBABLE CAUSE
CORRECTIVE ACTION
a. Loose or corroded battery terminals,
grounded cables, or defective battery.
(1) Inspect, clean, tighten, or repair as
necessary and check batteries (refer to
pertinent vehicle technical manual).
END OF WORK PACKAGE
WP 0022 00-2
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