Gradall LOED 534A Service Manual - Manual (Page 25)

PLANETARY HUBS
ASSEMBLY PROCEDURE FOR MAJOR ASSEMBLY
S t a r t w i t h h u b - s p i n d l e s u b - a s s e m b l y ( 1 ) w i t h l a r g e o p e n e n d u p .
A s s e m b l e i n t e r n a l g e a r ( 2 ) o n t o t h e 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 ) .
P l a c e t h r u s t w a s h e r ( 1 5 ) o n t o t h e s p i n d l e p i l o t o f h u b - s p i n d l e s u b - a s s e m b l y ( 1 ) .
P l a c e t h r u s t b e a r i n g ( 1 6 ) o n t o s p i n d l e p i l o t o f h u b - s p i n d l e s u b - a s s e m b l y ( 1 ) .
P l a c e t h r u s t w a s h e r ( 1 5 ) o n t o s p i n d l e p i l o t o f h u b - s p i n d l e s u b - a s s e m b l y ( 1 ) .
D r o p s p a c e r w a s h e r ( 7 ) 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 ) .
P l a c e s p r i n g ( 8 ) 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 ) .
P l a c e s p a c e r w a s h e r ( 7 ) 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 ) .
S e c u r e r e t a i n i n g r i n g ( 9 ) i n t o g r o o v e i n 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 ) .
S e c u r e r e t a i n i n g r i n g ( 1 0 ) i n g r o o v e o n i n p u t s h a f t ( 1 1 ) .
P l a c e l o n g s p l i n e d e n d o f i n p u t s h a f t ( 1 1 ) i n t o s p i n d l e o f h u b - s p i n d l e h u b -
assembly (1).
S l i d e t h r u s t s p a c e r ( 1 2 ) o n t o i n p u t s h a f t ( 1 1 ) .
P u t “ O ” r i n g ( 5 ) i n h u b c o u n t e r b o r e o f h u b - s p i n d l e .
P l a c e c a r r i e r s u b - a s s e m b l y ( 3 ) o n a f l a t s u r f a c e w i t h l a r g e g e a r s u p . F i n d
m a r k e d ( p u n c h m a r k e d ) t e e t h o n t h e l a r g e g e a r s . R o t a t e u n t i l t h e m a r k s a r e i n
a s t r a i g h t - u p p o s i t i o n . ( S e e F i g u r e ) .
Place ring gear (4) over large gears of carrier sub-assembly (3).
Holding ring gear (4) in mesh with large gears, pick-up carrier sub-assembly (3)
u n t i l m a r k e d h o l d i s l o c a t e d o v e r o n e o f t h e 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 -
spindle sub-assembly (1). Carrier sub-assembly (3) must rotate freely.
P u t i n p u t g e a r ( 1 3 ) o v e r i n p u t s h a f t ( 1 1 ) a n d m e s h i n g w i t h l a r g e g e a r s o f c a r r i e r
s u b - a s s e m b l y. B e s u r e t h a t i n p u t g e a r ( 1 3 ) r e l i e f i s a s s h o w n . ( S e e F i g u r e ) .
P u t “ O ” r i n g ( 5 ) i n t o c o v e r c o u n t e r b o r e o f c o v e r s u b - a s s e m b l y ( 6 ) . H o l d “ O ”
ring in place with petroleum jelly or grease.
Place thrust washer (15) into carrier counterbore of carrier sub-assembly (3).
Place thrust bearing (16) into carrier counterbore of carrier sub-assembly (3).
Place thrust washer (15) into carrier counterbore of carrier sub-assembly (3).
P l a c e c o v e r s u b - a s s e m b l y ( 6 ) o n t o r i n g g e a r ( 4 ) w i t h o i l c h e c k p l u g i n c o v e r
sub-assembly (6) located 90 from oil fill plug in hub-assembly sub-assembly
(1).
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