Buhler 2180 - Manual (Page 230)

SECTION 3 - LUBRICATION AND MAINTENANCE
3-42
EVERY 600 HOURS
OPERATION 46
CHECK AIR CONDITIONER DRAIN TUBES
Check that the four drain tubes and end caps are
open.
One tube, 1, travels down and exits beneath each of
the front cab “A” pillars. One tube, 2, travels down
and exits beneath each of the cab “B” pillars.
NOTE: There are two tubes on each side of the
tractor.
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