Air Cleaning System - International Harvester Company CUB Operator's Manual

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COOLING SYSTEM
GENERA TOR BELT
After the fan belt tension has been adjusted,
move the generator toward or away from the
engine to get the correct generator belt tension;
then tighten nuts
"A"
and "B". The generator
belt should be tight enough as not to allow
slippage, but not so tight as to cause side
thrust on the generator bearing. Allow 1/4-
inch slack.
See lIIust. 23.
FAN HUB LUBRICATION
Every six months or after every 500 hours
of operation, whichever occurs first, remove
oil retainer screw" F"
(IIIust.23A)
and turn
the fan assembly so that the oil filler hole is
at the right horizoI;l.tal position. Add engine oil
until the oil reaches the level of the hole. Now
turn the assembly so that the hole is on the
bottom and allow any excess oil to drain out.
The oil is then up to level of the top of the
stand pipe (approximately 1-1/2 ounces).
See
Illust.24.
Replace the oil retainer screw and
IIIust. 24
Fan hub partially disassembled showing oil level.
be sure that the retainer screw gasket is in
place.
Note: The rubber gasket located behind the
hub at "E"
(Illust. 23A)
is used for shipping pur-
poses only. It does not have to be replaced
when worn out.
AIR CLEANING SYSTEM
Clean air for combustion is assured by an
oil-type air cleaner. A he'avy screen in the
air intake cap prevents large particles from
entering the air cleaner. The air then passes
to the oil cup where it goe s through a bath of
oil. As the air rises to the intake manifold, it
passes through a series of oil-bathed screens
and the fine dust is removed. As the oil from
the screen works back down, it carries the
dirt with it and settles in the oil cup. Never allow
dirt to build up in the cup more than l/2.inch deep.
OIL CUP SERVICE
Clean and refill the oil cup every day, or
every 10 hours of operation (more frequently
when operating under dusty conditions). Refill
the oil cup to the oil level bead with the same
grade of oil used in the engine crankcase. For
the oil cup capacity,
refer to page
64.
Do not remove the oil cup while the engine
is operating. Before replacing the oil cup,
clean or wipe oil or grit from the top bead of
the oil cup.
24
lIIust. 24A
Servicing the oil cup.
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