TM 11-6130-392-12
Table 3-2. Troubleshooting Chart-Continued
Corrective Action
Probable Cause
Malfunction
mA pushbutton pressed and held, panel
meter does not indicate 700 or more.
a. Set thumbwheels and press pushbutton.
a. SET CHARGE TIME thumbwheels not
CHARGE TIME-HOURS REMAIN-
3.
set and START TIME pushbutton not
ING indicator does not light.
pressed.
b. Replace fuse.
b. Fuse F6 blown.
Send battery charger to next higher mainte-
Internal fault.
4.
CHARGE TIME-HOURS REMAIN-
nance level.
ING display does not read same as SET
CHARGE TIME thumbwheels, when
START TIME is pressed
Panel meter needle does not move when
5.
START TIME is pressed, CURRENT
SET switch in correct position, battery
connected for charging, and CHANNEL
SELECT control in these positions:
a. Replace fuse.
a. Fuse F1 blown.
1
b. Replace fuse.
b. Fuse F2 blown.
2
c Replace fuse
c.
Fuse F3 blown.
3
d. Replace fuse.
d Fuse F4 blown.
4
e., Replace fuse.
Fuse F5 blown.
e.
5
Reset to ON. If switch trips to off, disconnect
Internal short circuit or 220 volt input with
POWER ON-OFF switch trips to OFF.
6.
battery charger from power source. Cheek
115/220V switch set to 115 V.
position of 115/220V switch. Forward charger
to next higher level of maintenance.
The surfaces should be clean and free of dust,
3-6. Removal and Installation
dirt, grease, and fungus.
a. Memory Battery (Bl).
a. Remove dust and loose dirt with a soft, clean
(1) Turn door latch on access door, on rear
cloth.
of battery charger, and open door.
WARNING
(2) Remove battery from compartment;
Adequate ventilation should be provided
then disconnect battery from battery connector.
while using TRICHLOROTRIFLUOROE-
NOTE
THANE. Prolonged breathing of vapor
Take notice of how battery terminals are con-
should be avoided. The solvent should not
nected to terminals on connector for reinstal-
be used near heat or open flame; the pro-
lation.
ducts of decomposition are toxic and ir-
(3) Connect replacement battery to battery
ritating. Since TRICHLOROTRIFLUOROE-
connector and place in battery compartment.
THANE dissolves natural oils, prolonged con-
CAUTION
tact with skin should be avoided. When
Before closing door, be sure battery leads
necessary, use gloves which the solvent can-
are inside compartment and will not be in
not penetrate. If the solvent is taken inter-
the way when door is being closed. Dam-
nally, consult a physician immediately.
age to battery leads may result.
(4) Close and latch access door.
CAUTION
b. POWER ON-OFF Indicator Lamp.
(1) Remove lens cap from lamp socket.
Do not press hard on panel meter face when
(2) Remove lamp from lens cap.
cleaning. Damage to panel meter may result.
(3) Insert replacement lamp in lens cap.
(4) Install lens cap in lamp socket.
b. Remove grease, fungus, and ground-in dirt
from front panel and case of battery charger and
c. Fuses.
interior and exterior of battery charging tray
(1) Unscrew fuse cap from fuse holder.
(2) Pull out fuse from holder.
assembly with a cloth dampened (not wet) with
trichlorotrifluoroethane.
(3) Press in a new fuse holder.
c. Remove dust or dirt from plugs and jacks of
(4) Install fuse cap on holder.
battery charger and from pushbutton switches and
3-7. Cleaning
sockets of battery charging tray assembly with a
Inspect exterior of battery charger and exterior
and interior of battery charging tray assembly.
soft brush.
Change 1 3-3
