TM 9-4940-421-14
(1) Clean the battery charging indicator with a
c. Installation. Install in reverse order of removal.
clean, lint-free cloth.
(2) Inspect for damage and for loose terminals.
a. Removal.
Replace a defective battery charging indicator.
(1) Disconnect and tag electrical leads.
c. Installation. Install battery charging indicator in
(2) Remove three screws and remove frequency
reverse order of removal.
meter.
b. Cleaning and Inspection.
a. Removal.
(1) Clean the frequency meter with a clean, lint-
(1) Disconnect and tag electrical leads.
free cloth.
(2) Remove receptacle covers.
(2) Inspect for damage and for loose terminals.
(3) Remove receptacles.
Replace a defective frequency meter.
b. Cleaning and Inspection.
c. Installation. Install frequency meter in
reverse
order of removal.
(2) Inspect for loose terminals or damage.
(3) Replace a defective receptacle
a. Removal.
c. Installaion. Install receptacles in
reverse order of
(1) Disconnect. and tag electrical leads.
removal.
(2) Remove three screws and remove running time
meter.
b. Cleaning and Inspection.
4-11).
(1) Clean the running time meter with a clean,
a. Removal.
lint-free cloth.
(1) Disconnect and tag electrical leads.
(2) Inspect for damage and loose terminals.
(2) Remove screws and remove circuit breakers.
Replace a defective running time meter.
b. Cleaning and Inspection.
c. Installation. Install running time meter in reverse
(1) Clean circuit breaker with a clean, lint-free
order of removal.
cloth.
(2) Inspect circuit breakers for cracks, loose ter-
minals and test for continuity across the terminals.
a. Removal.
Continuity should be indicated with the breaker ON
(1) Disconnect oil pressure line from the oil pres-
and not indicated with the breaker OFF.
sure gage.
c. Installaion. Install circuit breakers in reverse
order of removal.
rear of oil pressure gage.
b. Cleaning and Inspection.
(1) Clean the oil pressure gage with a clean, lint-
and 4-11).
free cloth.
a. Removal.
(2) Inspect for loose fitting and other damage and
(1) Disconnect and tag electrical leads.
replace a defective oil pressure gage.
(2) Remove three screws and remove dc ampere
c. Installation. Install oil pressure gage in reverse
selector switch.
order of removal.
b. Cleaning and Inspection.
(1) Clean with a clean, lint-free cloth.
4-30. BATTERY CHARGING INDICATOR (Am-
(2) Inspect for broken insulation, burnt insula-
tion, loose terminals and other defects. Replace a
a. Removal.
defective switch.
(1) Disconnect and tag electrical leads.
c. Installation. Install dc ampere selector switch in
reverse order of removal.
remove battery charging indicator.
b. Cleaning and Inspection.