Sears 917.257070 Owner's Manual page 34

REPAIR PARTS
SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070
ONAN ENGINE--MODEL NO. B48M-GA018/3475A.
CYLINDER BLOCK GROUP
, - - 3 0
---- 42
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26 ......
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25
30
r=-42
·~-24
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t5 5
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12
. 32.