Allis-Chalmers LA-1600, Instruction Book

Page: 75 / 100

4 . a n d Ma i n Con t a c t
E i t h e r
mov i ng
a r c i n g con tact
{
b20)
o r ma i n con t a c t
(b
l 7
)
o r b o t h ,
may be removed a nd r e p l a ced a s f o l l ows :
Fo l l ow t he s teps ou t l i ned i n pa r a g r a ph
3
i nc l ud i n g remov a l of p i n
( 603)
o r i f h i n ge con t a c t f i n ge r s a re n o t t o be rep l a ced , om i t these
s t e ps and beg i n by p l a c i ng a
. 1 87"
d i ame t e r rod a t l ea s t 2 "
l on g
t h rough t h e open i n g I n s u ppo r t
{ b
l 5
)
as s hown i n O e t a i
I
"B" . Remove
p i n
( 60 1 )
and p i n
(b03)
i f thes e - have no t been removed p rev i ous l y .
The
comp l e te mova b l e con t a c t a s s emb l y may now be b rough t t o a bench .
I t i s
s ugges ted
t h a t a
0 . 5 "
t h i c k p i e ce
of
wood o r pheno l i c be
p l aced u p r i gh t i n a v i s e and t h e open s l o t i n c l ev i s
(b l 2)
p l a ced
aga i n s- t I t a s a r
e
s
t
.
The l oca t i on of s pa ce r s
(602) . (b04)
a n d
( b 2 5)
s h
o
u l d be noted . To m i n i m i ze a d j
u
s tm e n
t
upon re a s s e mb l y
,
the pos i t i on
of the two s c rews
{608)
r e l a t i ve t o p i n
(6 1 8)
s ho
u
l d a l so be n o ted .
T hen t h e two e l a s t i c s
t
op
n u t s (b2 1 )
s hou l d be l oosened and s c r ews
( b
O
B
)
ba cked
of f
fa r enough to remove them f rom p i n
(b iB) .
CAUT I ON : EXTREME CARE S H OU LD B E TAKEN T O H O LD TH E AS S EMB LY
F I RM LY TO RETA I N S PR I NG GU I D E
(6 1 0)
AND S PR I NG
(609)
UPON REMOVAL OF THE S C REWS .
The mov i ng a rc i n g
c.on tact
o r the ma i n con t a c t
may
now be eas i l y
r e p l a ced . The r e ve r s e p roced u re i s fo l l owed f o r r e i n s t a l l a t i on . C a r e
s h ou l d b e ta ken to r e p l a ce
s pa ce r s ( 602) , (b04)
a
n d
(b2S)
cor r ec t l y .
Check a l i gnmen t a n d adj us tmen t o f con t a c t s u pon rea s s emb l y .
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