3 S t a n d a r d P a r t s o f a t y p i c a l M E S A b I R a d i a t o r C o r e SINGLE UPSE t t U b E T u b e L o c k i n g d e s i g n Bottom Plate Locking groove sea L P n 87530 or P n WB must be used a t the bottom The tube bead will sea t in the seal inner groove Exploded view of a typical MESA b I water jacket core PART DESCRIPTION NO TOP HEADER PLATE bolted design TOP RUBBER SEAL see chart below TOP FELT AIR BAFFLE 33082 core width BREAKER TOOL 37239 for freeing tubes from rubber seal RUBBER TUBE STAY F 33335 for staggered MESABI Cores only H 39292 RUBBER TUBE STAY END PIECE F 33085 for staggered cores only H 39300 BOTTOM FELT AIR BAFFLE 33083 core width RUBBER SEAL LOCKING GROOVE see chart and section view below BOTTOM HEADER PLATE bolted design RUBBER PLUG 96630 Note Plugs are for temporary plugging of ferrule holes until replacement tubes can be installed Plugs must be installed dry and are not recommended for systems operating over 15 PSI INSTALLATION TOOL 48350 for removing and installing tubes ITS TM Tube Installation Tool PN 77050 See page 6 Figure 8 C o r e S t y l e t o p S e a l b o t t o m S e a l L u b e P N F c o o l a n t W T W B 1 1 3 2 3 0 9 9 H c o o l a n t W T W B 1 1 3 2 3 0 9 9 L c o o l a n t W T W B 1 1 3 2 3 0 9 9 M c o o l a n t W T W B 1 1 3 2 3 0 9 9 V c o o l a n t W T W B 1 1 3 2 3 0 9 9 L o c o m o t i v e 3 5 7 8 0 8 7 5 3 0 1 1 3 2 3 0 9 9 A i r t o A i r 3 5 7 8 0 8 7 5 3 0 1 0 7 2 7 1 9 9 O i l C o o l e r 3 5 7 8 0 8 7 5 3 0 1 0 7 2 7 1 9 9 a i r t o a i r o i l c o o l e r a n d L o c o m o t i v e c a n b e a n y s t y l e o f c o r e a b o v e F H L M v S E A L L U b E C h A R t Additional t ube Styles S o l d A s A s s e m b l i e s o n l y I T S I n d i v i d u a l T u b e S u p p o r t U s e d o n H L a n d V s t y l e c o r e s S TAY Used on L style cores S TAY Used on M style cores S TAY Used on V style cores SEAL AND TUBE END LUBE BRUSH PN 63451 HEADER PLATE HOLE CLEANING BRUSH PN 99785 If you are not sure of your core style contact LM Customer Service