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Begin OCR Text:
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P
Fig. 19. W8ter pump
1 Housing 5 Shaft w_tf b8ll
_ Impeller bearings (integral unit)
3 Sealing ring 6 Hub
4 Locking spring
', distributing pipe in the cylinder head (3) ensures
'_ uniform cooling of the warmest parts in the cy-
' linder head. The parts around the spark_ng plugs
are also cooled and thereby maintained at a
constant temperature The cool_ng water which
surrounds the cylìnder walls is c_rculated through _
_hermo-g_phon ac__on
',-2,'
,,T',h',,e','r',;',o',s',t,,a't,'',',,,
'5
W''a-t'e'r''Pu'_'P'
2',
'T,h',,e','';;',o',';;;'t,'',',,e
'5
W''a-t'e'r''P_'1_'P'
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