6 CAU t I o N If a tube seems difficult to install into a seal S to P and figure out why o ne of the following reasons could be the answer 1 A tube or seal with inadequate lubrication 2 Improperly installed seal that could be pushed too far into the header plate hole 3 Damaged tube end 4 Trying to insert the tube into the seal at too steep of an angle 5 Tube is not centered in seal NOTE If for any of the above reasons a tube is difficult to install the seal should be removed and inspected for any scuffing marks tears or cuts If there is any doubt replace the seal h E L P F U L h I N t S I f y o u a r e w o r k i n g w i t h a c e n t e r t a n k c o r e t h e b o t t o m c o r e m u s t b e a s s e m b l e d b e f o r e t h e t o p c o r e Minimize the angle of the tube as its being installed into the top seal M a k e s u r e t h e t u b e i s c e n t e r e d i n t h e b o t t o m s e a l b e f o r e a n y f o r c e i s a p p l i e d t o p u l l o r p u s h i n t o p l a c e For ease of tube installation install the tubes behind the side member gussets in each row first Install the tubes behind the left side gussets working towards the core center Then going to the far right hole in the same row install the tubes working towards the core center I n d i v i d u a l r u b b e r t u b e s t a y s a n d i n s o m e c a s e s t u b e s t a y e n d s a r e n e c e s s a r y t o i n t e r l o c k t h e t u b e s F o r p a r t n u m b e r s s e e p a g e 3 I f m o r e d e t a i l e d i n f o r m a t i o n i s r e q u i r e d f o r p r o p e r a s s e m b l y o f c o r e s u s i n g t u b e s t a y s a n d t u b e s t a y e n d s c o n t a c t o n e o f t h e L M m a n u f a c t u r i n g f a c i l i t i e s l i s t e d o n b a c k p a g e I f y o u r c o r e s t y l e i n c l u d e s p l a s t i c t u b e s u p p o r t s s e e p a g e 7 f o r I T S o r s t a y o r i e n t a t i o n p r i o r t o s t a r t i n g S t E P 1 t o m i n i m i z e i n s t a l l a t i o n a n g l e t u b e s i n a n y g i v e n r o w m u s t b e i n s t a l l e d f r o m t h e c l o s e s t h e a d e r p l a t e e d g e U s e a m i n i m u m o f a n g l e a n d a s l i g h t t w i s t i n g p u s h i n g m o t i o n t o p u s h t h e t o p e n d o f t h e t u b e i n t o t h e t o p s e a l P u s h i t f a r e n o u g h i n s o t h e b o t t o m o f t h e t u b e c l e a r s t h e t o p o f t h e b o t t o m s e a l I f y o u a r e w o r k i n g w i t h a n y o f L M s I T S o r s t a y s y s t e m s y o u w i l l n e e d t o i n s e r t t h e t u b e f a r e n o u g h i n t o t h e t o p s e a l t o a l l o w c l e a r a n c e f o r t h e t a b s t o b e a l i g n e d w i t h t h e g r o o v e s w h e n t h e t u b e i s p u l l e d d o w n i n t o t h e b o t t o m s e a l s e e F i g s 4 a n d 6 P l e a s e n o t e t h a t w h e n I T S o r s t a y s w i t h i n t e r l o c k i n g t a b s a n d g r o o v e s a r e p r e s e n t t h e b o t t o m e n d o f t h e t u b e s h o u l d b e c e n t e r e d i n t h e s e a l a n d t h e n p u l l e d d o w n s l i g h t l y i n t o t h e s e a l s o t h a t t h e t a b s e n g a g e t h e a d j a c e n t g r o o v e s t u b e I n s t a l l a t i o n S t E P 2 Center bottom end of tube into respective seal in the bottom header plate Then push tube down and into seal until the formed bead is seated into the locking groove of the bottom seal This may be done by grasping tubes by hand and pulling the tube downward until seated or by using Installation Tool LM P N 48350 This tool has a semicircular form on the end of the handle Place this end on the formed bead of the tube and push downward until seated as shown in Fig 7 Now complete the row of tubes Precaution should be taken to make sure formed bead is seated into bottom seal and that the tubes are straight and aligned to assure maximum air flow I f y o u a r e w o r k i n g w i t h a n I T S s y s t e m r e f e r t o p a g e 3 a n d p a g e 7 F i g 9 f o r i d e n t i f i c a t i o n u s e L M t u b e i n s t a l l a t i o n t o o l P N 7 7 0 5 0 t o p u l l t h e t u b e i n t o t h e b o t t o m s e a l S e e F i g 8 H o o k t h e s l o t t e d e n d o f t h e t o o l b e h i n d t h e f r o n t t a b o n t h e I T S t u b e s u p p o r t U s i n g t h e t o o l a n d y o u r f r e e h a n d c e n t e r t h e b o t t o m e n d o f t h e t u b e i n t o t h e b o t t o m s e a l A t t h e s a m e t i m e g u i d e t h e d o v e t a i l s l o t s i n t o t h e t a b s o n t h e I T S t u b e s u p p o r t O n c e i n p l a c e a n d w i t h t h e t o o l P N 7 7 0 5 0 s t i l l h o o k e d o n t o t h e I T S t u b e s u p p o r t p u l l t h e t u b e i n t o t h e b o t t o m s e a l u n t i l t h e f o r m e d b e a d i s s e a t e d i n t o t h e l o c k i n g g r o o v e o f t h e b o t t o m s e a l P u s h t h e r e m a i n i n g t u b e s i n t h i s r o w U s e t h e s a m e p r o c e d u r e o n a l l r e m a i n i n g r o w s e x c e p t t h e f r o n t s i d e r o w Fig 7 Fig 8 NOTE See page 7 for ITS or stay orientation in the cor e Fig 6