Allis-Chalmers LA-1600, Instruction Book

Page: 71 / 100

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c . totA i hiENANCE
C LOS l NG : Dur i ng l n$ pec t i on pr i or t o I ns ta l l a t i on and
for
rcu t i ne
ma i n tenance I nspec t i ons . t he b rea ke r �on t a c t s m a y be
c l o$ed
s l ow l y t o check c l ea r an ces , con tac t adj us tmen t s . �nd movemen t
o f
l ! � ks
•nd l a tches . The man ua l c l os i ng hand l e i s used fQr ma i n t enance c l o� i n g
the b reake r .
E l e c t r i ,a l l y-opera ted b rea ke r s d o no t . have a manu� l c l os i n g hand l � . b u t
a m�nua l c l os i ng hand l e- cam a s s emb l y I s
av a i l ab l e as
a ma l n tenanc.e i t'!lll .
F i gure
5
s hows t he ma i n tenance c l os i ng �and l e be i ng I ns e r ted i n a�
e
J e c t r i ca
1 1
y-ope ra ted b r e a ke r a f t e r remova I of thE! f ron t
cover
f r om
th�
b re a ke r . When the h o l e
I n the ma I n tenan ce c l os
I n� hand l e
a s s emb
I
y
i s
a l i g ned w i th the ho l es i n the o
pe
r
a
t
i
n g
mechan i sm · f rame .
the p i n
wh i ch
I s
a t t J c hed
to
t h
e
cha i n i s i n s e r ted .
Th i s
p i n hq l ds the a s s emb l y
I n
p l a
c
e and a c t � as a p i vo t po i n t f o r the
c am .
Af t e r I nse r t i on of t he ma i n tenance c l os i ng hand l e a s s emb l y on t he
e l ec t r i ca l l y-ope ra ted b rea ke r . t he act ua l m
a
i n
t
en
a
n
c
e c l os i ng ope ra t i on
I s the same for both t he e l ec t r i ca l l y-ope ra ted b rQa ke r and the
ma � �a l l y
ope r a ted breake r . R e f e r t o Tab l e
3
a nd F i gure
s .
TAB L E
3 1'\A I NTfNANCE C LOS I NG
CONTACTS : 1 . P l ace b l ade
of
s c r ewd r i ve r
be tween hood a nd � p r i ng
re l ea s e l
a
tc h
.
Pu � h
down tpr l ng r
e
l e
a!
e
l a t ch
and
ho I d I t i n t h i s pos i t i on .
;
2 . Pu l l c l os i ng hand l e DOWN A�L THE WAY
(app r ox i ma t e l y
1 200) and S LOWLY r e t u r n
t
o norma l ve r t i ca l po� i t i on .
a
)
Con ta c t s w l
I I
c l o
s
e t o a rc i ng con t a � t t c�ch
pos l t i on . b u t b r eake r
w. i
1 1 net c l ose cO-'np l e te l y .
OPEN I NG CONTACTS :
I .
Push I n man ua l t r i p rod .
CAI.in ON ; THE
A60VE
PROCEDURE SHOU LD 6E
U S E D FOR
� I NTEKANC.E
\: LOS i f',t(i ON I.Y .
NOTE :
!
i
Ho l d i ng the s p r i ng r
e
l e
a
s e
l a t ch down pre
v
e
n
t s t he
s t ored -en e r gy
sp r i ngs f rom propp i ng i n the cha r ged pcs:i t i on . Thus 1r0hen
the
ha"d l e
i s
s l ow l y re t ur ned
t o
t
h
e no rma l ve r t i ca l po\ i t i on ,
t he
e n e rg
y
I n t h e
:; pr i ng �
i s s l ow l y r e l eas ed aga i n s t t he c l c s i 'lg
hand l e
a s �emb l y
cam
f ace .
0
•
.A.OJUS T,.,Et-H�:
D u r i ng ma i n tenance i ns pec t i ons , t he f o l l ow i n g I
t
e
m
s s hou l d be c h
e
c
ked
to
ens ure
tha t t he o r i g i na l s e t t i ngs
a re
ma i n t
r
i ned :
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