Allis-Chalmers 400 Series - Air Cleaner

Lubrication and Service
FIGURE 12
LUBRICATE PIVOT POINTS
A few drops of engine oil should be placed on the
numerous pivot points on tractor and controls to
provide smooth operation and reduce wear. Be careful
to keep oil off of belts and pulleys to prevent belt
damage.
AIR CLEANER (Figures 8 and 11}
NOTE: Be sure engine is stopped before removing air
cleaner.
The Air Cleaner is removed by loosening the wing nut
in the center of the Air Cleaner Cover, This is a "Dry
Type" Air Cleaner element and should be removed and
cleaned after every fifty (50) hours of operation - more
often in dry, dusty conditions * and should be replaced
after each 200 hours of operation.
A clean Air Cleaner element cannot be overemphasized
as dirt Induced into the engine air intake system will
wear out an engine quicker than long periods of
operation. A clogged air system causes a richer fuel
mixture than is necessary in the fuel system which can
lead to harmful sludge deposits. Always cover the
carburetor when the Air Cleaner is being serviced.
Remove the element and tap lightly on a flat surface to
remove loose dirt particles.
NOTE: DO NOT wash the element in any fluid or at¬
tempt to blow it off with an air hose.
When replacing the Air Cleaner element, these points
must be checked closely.
1. The cleaner base must be securely tightened to the
carburetor, if the base is bent or cracked, it should
be replaced.
2. There must be a gasket between cleaner base and
carburetor.
3. Cover must fit OTugly all the way around cleaner
base.
4. Wing nut should be finger tight. If other than a
plastic wing nut is used, a copper washer must be
used between cover and wing nut.
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