( b) Tag and remove the leads from the
BATTERY CHG AMMETER.
3 - 1 2 8 . P a n e l L i g h t A s s e m b l y .
See (9, fig. 3-18) and proceed as follows:
( c) Remove the three screws (75) and nuts
(76) which secure the BATTERY CHG AMMETER
( 7 7 ) a n d r e m o v e m e t e r.
a . R e p l a c e m e n t . R e p l a c e p a n e l l i g h t a s s e m b l i es
as follows:
( 2 ) I n s t a l l a t i o n .
Install BATTERY CHG
A M M E T E R ( 7 7 ) u s i n g r e m o v a l s t e p s i n r e v e r s e
o r d e r.
R e m o v e t a g s.
( 1 ) R e m o v a l .
( a ) T a g l e a d s a n d r e m o v e s c r e w s w h i c h
s e c u r e l e a d s t o p a n e l l i g h t a s s e m b l y .
3 - 1 2 5 . D C C o n t r o l C i r c u i t B r e a k e r .
( b ) Remove panel light assembly mounting
h a r d w a r e a n d r e m o v e p a n e l l i g h t a s s e m b l y.
T e s t a n d r e p l a c e m e n t i n s t r u c t i o n s f o r D C c i r c u it
b r e a k e r a r e c o n t a i n e d i n p a r a g r a p h 3 - 1 0 0 .
b . I n s t a l l a t i o n . I n s t a l l p a n e l l i g h t a s s e m b l y
u s i n g r e m o v a l s t e p s i n r e v e r s e o r d e r . R e m o v e t a g s.
3 - 1 2 6 . C o n t r o l B o x R e l a y A s s e m b l y.
3 - 1 2 9 . P r e s s - t o - T e s t L i g h t A s s e m b l y R e p l a c e m e n t .
See (99, fig. 3-18) and proceed as follows:
a . R e m o v a l . S e e ( 2 5 , 3 2 , 1 2 4 , f i g . 3 - 1 8 ) a n d
p r o c e e d a s f o l l o ws
a . I n s p e c t i o n . V i s u a l l y i n s p e c t f o r d a m a g e d
c o m p o n e n t s .
(1) Tag leads and unsolder leads to light
a s s e m b l y .
( b ). R e p l a c e m e n t.
( 1 ) R e m o v a l .
( 2 ) R e m o v e l i g h t a s s e m b l y m o u n t i n g h a r d w a r e
a n d r e m o v e l i g h t a s s e m b l y .
( a ) Gain access to inside of control box
(123).
b . I n s t a l l a t i o n . I n s t a l l l i g h t a s s e m b l y u s i n g r e -
m o v a l s t e p s i n r e v e r s e o r d e r . S o l d e r l e a d s t o l i g ht
a s s e m b l y . R e m o v e t a g s .
( b ) Tag and remove the leads from relay
a s s e m b l y ( 9 9 ).
3 - 1 3 0 .
S y n c h r o n i z i n g
L i g h t s .
( c) Remove the relay assembly (99) by
removing the four attaching nuts (98).
See (16, fig. 3-18) and proceed as follows:
( 2 ) I n s t a l l a t i o n . I n s t a l l r e l a y a s s e m b l y ( 9 9)
u s i n g r e m o v a l s t e p s i n r e v e r s e o r d e r . R e m o v e t a g s .
a . T e s t i n g .
—
(1) Gain access to the rear of the control
cubicle panel (96).
3 - 1 2 7 . T e r m i n a l B o a r d A s s e m b l y .
See (105, fig. 3-18) and proceed as follows:
N O T E
a . I n s p e c t i o n . V i s u a l l y i n s p e c t f o r b r o k e n b a r -
r i e r s , l o o s e h a r d w a r e a n d o t h e r d a m a g e .
M a k e c e r t a i n D C C O N T R OL
CIRCUIT BREAKER is open.
(2) Remove screw which secures lead to one
terminal of SYNCHRONIZING LIGHT assembly (16).
b . R e p l a c e m e n t.
—
( 1 ) R e m o v a l.
(3) With an ohmmeter, test lamp (24) for
c o n t i n u i t y .
If meter shows an open circuit, replace
l a m p.
( a) Gain access to inside of control box
(123).
( b ) Tag and remove the leads from the
t e r m i n a l b o a r d ( 1 0 5 ).
( 4 ) R e c o n n e c t l e a d.
b . R e p l a c e m e n t . R e p l a c e S Y N C H R O N I Z I N G L I G H T
assemblies (16) as follows:
( 1 ) R e m o v a l.
( c ) Remove jumper (107) by removing
screws (106) and note location of jumper.
( d ) Remove the four screws (103) and
nuts (104) and remove terminal board (105).
( a ) T a g l e a d s a n d r e m o v e s c r e w s w h i c h
s e c u r e l e a d s t o l i g h t a s s e m b l y.
( b ) R e m o v e l i g h t a s s e m b l y m o u n t i n g h a r d w a r e
a n d r e m o v e l i g h t a s s e m b l y.
( 2 ) I n s t a l l a t i o n . I n s t a l l t e r m i n a l b o a r d ( 1 0 5)
a s s e m b l y u s i n g r e m o v a l s t e p s i n r e v e r s e o r d e r . R e-
m o v e t a g s . M a k e c e r t a i n t o r e p l a c e j u m p e r ( 1 0 7)
a c r o s s s a m e t e r m i n a l s i n r e m o v a l p r o c e d u r e s.
3-46
