Gradall LOED 534A, Service Manual

Page: 26 / 91

S e c u r e c o v e r s u b - a s s e m b l y ( 6 ) a n d r i n g g e a r ( 4 ) i n p l a c e w i t h b o l t s . U s e f o u r
s h o u l d e r b o l t s ( 1 8 ) f o r c o u n t e r b o r e d h o l e s i n h u b o f h u b - s p i n d l e s u b - a s s e m b l y
( 1 ) a n d u s e b o l t s ( 1 7 ) f o r r e m a i n i n g h o l e s . T i g h t e n b o l t s t o 4 7 f t . l b s .
maximum.
P l a c e c o u p l i n g ( 1 9 ) i n t o s p i n d l e o f h u b - s p i n d l e s u b - a s s e m b l y ( 1 ) a n d m e s h i n g
w i t h i n p u t s h a f t ( 1 1 ) . O n W 3 C b e s u r e r e t a i n i n g r i n g ( 2 0 ) i s i n i n t e r n a l g r o o v e
o f c o u p l i n g ( 1 9 ) a n d r e t a i n i n g r i n g ( 2 1 ) i s l o c a t e d i n e x t e r n a l g r o o v e o f
coupling (19).
ASSEMBLY PROCEDURE OF HUB-SPINDLE SUB-ASSEMBLY
Press bearing cups (races) (1C) and (1C) and (1E) into hub (1G).
S e t h u b ( 1 G ) o n l a r g e e n d . ( S t u d s a n d d i s c a r e o p t i o n a l )
I f r e q u i r e d , p r e s s s t u d s ( 1 N ) i n t o h u b ( 1 G ) f l a n g e .
I f r e q u i r e d , m o u n t d i s c ( 1 M ) i n t o h u b ( 1 G ) r i g s , a n d
s e c u r e i n p l a c e w i t h l o c k w a s h e r ( 1 L ) a n d b o l t s ( 1 K ) .
Place bearing cone (1D) into bearing cup (race) (1C).
Preys seal (1B) into hub (1G).
Place spindle (1A) into bearing cone (1D). This is a loose fit and should not
be pressed.
I n v e r t t h e p a r t i a l a s s e m b l y o f h u b - s p i n d l e ( 1 A ) , ( 1 B ) , ( 1 C ) , ( 1 D ) , ( 1 E ) , a n d
( 1 G ) . D o n o t l e t s p i n d l e ( 1 A ) s l i p f r o m h u b ( 1 G ) . P l a c e s p i n d l e ( 1 A ) d o w n .
S l i d e b e a r i n g c o n e ( 1 F ) o n t o t h e s p i n d l e ( 1 A ) a g a i n s t b e a r i n g c u p ( 1 E ) . T h i s
i s N O T a p r e s s f i t .
P l a c e s p a c e r ( 1 H ) o n s p i n d l e ( 1 A ) .
P l a c e r e t a i n i n g r i n g ( 1 I ) o n s p i n d l e ( 1 A ) g r o o v e . B e s u r e r i n g i s c o m p l e t e l y
i n t h e g r o o v e .
S c r e w p i p e p l u g ( 1 J ) i n t o h u b ( 1 G ) o u t s i d e d i a m e t e r.
T h e a b o v e s t e p c o m p l e t e s t h e s u b - s p i n d l e s u b - a s s e m b l y ( 1 ) a n d t h e h u b ( 1 G )
s h o u l d t u r n f r e e l y w i t h r e s p e c t t o t h e s p i n d l e ( 1 A ) . T h e s e a l w i l l c a u s e a
small amount of drag.
ASSEMBLY PROCEDURE FOR CARRIER SUB-ASSEMBLY
S e t c a r r i e r ( 3 A ) o n e d g e s o t h a t s i x s m a l l h o l e s a n d t w o c e n t e r h o l e s a r e i n
a h o r i z o n t a l p l a n e .
L a y t w o t h r u s t w a s h e r ( 3 B ) o n a f l a t s u r f a c e w i t h t h e t a n g f a c i n g u p . A p p l y
p e t r o l e u m j e l l y o r g r e a s e t o t h i s s u r f a c e o f b o t h t h r u s t w a s h e r ( 3 B ) .
23.
24.
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9.
10.
11.
1.
2.
2A.
2B.
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