cleaner comcleaner components. ponents. OverserOverservicing of the filtvicing of the filterer
elements is not recelements is not recommended. ommended. Filter elFilter element effiement effi--
ciency increases with initial operation.ciency increases with initial operation.
CAUTIONS:CAUTIONS:
SS
NormalNormally the ly the primarprimary filter element shouldy filter element should
be changed after 1500 hours of operation orbe changed after 1500 hours of operation or
when the air restriction indicator shows red.when the air restriction indicator shows red.
In dusty conditions, the primary filterIn dusty conditions, the primary filter
element may have to be changed more often.element may have to be changed more often.
SS
Replace the safety element when the internalReplace the safety element when the internal
filter indicator turns red, yearly or everyfilter indicator turns red, yearly or every
3000 hours, whichever comes first.3000 hours, whichever comes first.
SS
Do Not use ether type fuels to help start theDo Not use ether type fuels to help start the
engine for this may damage the engine.engine for this may damage the engine.
1. 1. When the aiWhen the air restr restrictiriction indicaton indicator indicor indicates ele-ates ele-
ment servicing is required, remove the wingment servicing is required, remove the wing
nut and cover assembly, then remove the pri-nut and cover assembly, then remove the pri-
mary filter asmary filter assemblysembly. . In high humidity situa-In high humidity situa-
tions, the air restriction indicator may indicatetions, the air restriction indicator may indicate
a restricted condition due to moisture in thea restricted condition due to moisture in the
filter efilter element. lement. When the elemWhen the element dries outent dries out,,
restrirestriction levction levels drop back to normels drop back to normal. al. TheThe
indicator will now have to be reset (refer toindicator will now have to be reset (refer to
procedure 9. to reset the indicator).procedure 9. to reset the indicator).
2. 2. Check tCheck the internal he internal filter filter indicator indicator to determto determineine
if the safety element also requires servicing.if the safety element also requires servicing.
3. 3. If the iIf the internal finternal filter ilter indicator ndicator indicates indicates a greena green
dot in its center (Illustration 3-2), the safetydot in its center (Illustration 3-2), the safety
element is good, continue to procedure 6.element is good, continue to procedure 6.
4. 4. If the iIf the internal finternal filter ilter indicator ndicator indicates indicates red, thered, the
safety filter element must be replaced.safety filter element must be replaced.
Remove internal filter indicatorRemove internal filter indicator, , old safety old safety filterfilter
and replace with a new safety filter element.and replace with a new safety filter element.
5. 5. Reset tReset the internal he internal filter filter indicator indicator by applyiby applyingng
suction to suction to window and window and re-insre-install indicatortall indicator..
6. 6. RemRemove all dusove all dust and foreit and foreign partign particlecles from ths from thee
air cleaner components, and clean the insideair cleaner components, and clean the inside
of the air cleaner housing with a damp cloth.of the air cleaner housing with a damp cloth.
CAUTION:CAUTION:Do not use flammable liquidsDo not use flammable liquids
to clean the inside of the air cleaner housing.to clean the inside of the air cleaner housing.
Only use a cloth dampened with water.Only use a cloth dampened with water.
7. 7. ReplReplace the priace the primarmary filty filter elemer element witent with a h a newnew
filter elfilter element. ement. Remove clRemove clip from the used priip from the used pri--
mary filter element to release the wing nut andmary filter element to release the wing nut and
washer.washer.
8. 8. Re-Re-insinstall wtall wing nut, wing nut, washeasher and clir and clip onp on
replacemreplacement primary filent primary filter element. ter element. Re-insRe-installtall
and secure the primary filter assembly in theand secure the primary filter assembly in the
air cleaner housing.air cleaner housing.
9. 9. Push tPush the reshe reset butet button on tton on the top of he top of the aithe airr
restriction indicator.restriction indicator.
10.10. Inspect air intakInspect air intake system for leake system for leaks.s.
11. Inspect rubber elbow, joints and clamps for11. Inspect rubber elbow, joints and clamps for
wear, damage and looseness.wear, damage and looseness.
12.12. Inspect the vacInspect the vacuator cup joint for uator cup joint for sealing.sealing.
GREEN DOTGREEN DOT
IllustrIllustration 3-2. ation 3-2. Internal FiInternal Filter Indicatlter Indicatoror
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