TM 11-6130-227-40
SWITCH S1, rotate the shaft fully coun-
t e r c l o c k w i s e and reinstall CHARGE SWITCH knob
s u b p a n e l is located behind transformer T1 (4, fig.
MP12B (9) so that the pointer is at OFF. Be sure to
3 - 3 ) and is fastened to the case by three screws.
Parts mounted on the subpanel can be removed
t i g h t e n both setscrews.
individual (without removing the subpanel) by
disconnecting their l e a d s a n d r e m o v i n g t h e
P u l l BATTERY VOLTS switch knob MP11 (8, fig.
m o u n t i n g hardware. To remove the subpanel as an
3 - 1 ) straight forward off the shaft. Disconnect the
assembly, it is necessary first to disconnect all leads
l e a d s , remove the locknut, and remove BATTERY
VOLTS switch S2 from the front panel from the
connected to parts not mounted on the subpanel.
rear. When reinstalling BATTERY VOLTS switch
n. Resistor R1 (12, fig. 33). Resistor R1 is
S2, rotate the shaft fully counterclockwise and
m o u n t e d on the inside of the back of the case by
reinstall BATTERY VOLTS switch knob MP11(8)
m e a n s of the same screw and nut that secure the
lower hanger of the ac input cable to the outside of
so that the engraved pointer is at 6.
the case. To remove resistor R1, disconnect the
leads from its terminals and remove the nut and the
breaker CB1 is mounted on a bracket fastened to the
screw.
top flange of transformer T1 (4, fig. 3-3). To remove
3-13. Removal and Replacement of
Parts
(PP-1660B/G)
fasten circuit breaker CB1 to its bracket.
NOTE
j. Rectifiers CR1 and CR2. Rectifiers CR1 and
Most
parts
can be reinstalled
by
CR2 (2, fig. 3-4) are connected together and are
remounting them in their original
r e m o v e d as an assembly. The rectifier assembly is
l o c a t i o n s with the original hardware and
m o u n t e d on top of transformer T1 (4, fig. 3-3). To
reconnecting
the
leads.
Replacement
remove the rectifier assembly, take out the four
i n s t r u c t i o n s are given only when special
screws that secure it to transformer T1 (4),
procedures or precautions are required.
d i s c o n n e c t all leads, and lift the rectifier assembly
o u t of the case. The four screws (3, fig. 3-1) also
a. POWER Switch S3. Disconnect the leads,
m u s t be removed prior to removal of the rectifier
r e m o v e the locknut, and remove POWER switch S3
assembly.
from the front panel from the rear.
k. Reactor L1 (3, fig. 3-3). Reactor L1 is mounted
b. FAN SAFETY Switch S4. Disconnect the
i n front of transformer T1 (4, fig. 3-3). To remove
leads, remove two screws from front panel, and
r e a c t o r L1, disconnect the two pigtail leads from
remove SAFETY switch S4 from the front panel
TIME
SWITCH
M1
(19,
and
circuit
from the rear.
breaker CB1 (18, fig. 3-3), remove the two mounting
c. Circuit Breaker CB1. C i r c u i t B r e a k e r C B 1 i s
screws, accessible from the bottom of the case, and
mounted on a bracket fastened to the mounting
lift out reactor L1.
bracket of the rectifier assembly. To remove circuit
1. Transformer T1 (4, fig. 3-3). R e m o v e r e c t i f i e r s
b r e a k e r CB1, disconnect the leads and remove the
C R 1 and CR2 (j above) and circuit breaker CB1 ( i
above); it is not necessary to disconnect circuit
breaker CB1 to its bracket.
breaker CB1. Disconnect the 11 pigtail leads of
d. Neon Lamp DS1. Disconnect the leads and
t r a n s f o r m e r T1, remove the four mounting screws,
r e m o v e lamp assembly from front panel from the
and lift transformer T1 out of the case. When
rear, snap in, snap out.
r e i n s t a l l i n g transformer T1, be sure to solder and
3-14. Testing After Repair
t a p e the connection to the ac input cable lead and
Whenever the battery charger has been repaired,
check the overall, operation of the equipment.
U-shaped,
sheet-metal chassis on which are
Follow the procedure outlined in the equipment
performance
checklist
(TM
11-6130-227-12).
K2-K6(K1-K5) (5, 6, 7, 14, 15, fig. 3-3), and circuit