International Harvester Company CUB Operator's Manual page 69

LUBRICATION GUIDE
The
symbols around the reference numbers indicate the intervals of lubrication.
-10 hours,
-50 hours,
-periodic
International
Cub Tractor
8-91338
Illust. 68 -Fast-Hitch.
International Cub Lo-Boy Tractor
...,
!l~
A
~
'\
"
""
--=-:1
,i;. T$
A-48002C
.&
Illust. 68A -Fast-Hitch.
68