3-13-1TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
IF EQUIPPEDIF EQUIPPED
LATCHLATCH
Illustration 3-1. Illustration 3-1. Air Intake Air Intake System ComSystem Componentsponents
Introduction.Introduction. The air The air cleaner is cleaner is designed to designed to bebe
serviced efficiently serviced efficiently and quicklyand quickly. . Intake air entIntake air entersers
the air cleaner through the cap or optional pre-the air cleaner through the cap or optional pre-
cleaner. cleaner. When the air reaches When the air reaches the inlet of tthe inlet of the airhe air
cleaner housing, a helical ramp imparts a high-cleaner housing, a helical ramp imparts a high-
speed circular motion to the speed circular motion to the intake airintake air. . This actionThis action
separates up to 85% of the dust from the air byseparates up to 85% of the dust from the air by
centrifugal action. centrifugal action. The dust The dust is then is then forced out forced out thethe
vacuator. vacuator. The air then The air then passes through tpasses through the primaryhe primary
and safety filters, where the rest of the dust isand safety filters, where the rest of the dust is
removed, before the air enters the engine.removed, before the air enters the engine.
Major ComponentsMajor Components(Illustration 3-1)(Illustration 3-1).. The The airair
cleaner consists of the primary filter, internal filtercleaner consists of the primary filter, internal filter
indicator, safety filter, air cleaner housing, cap (orindicator, safety filter, air cleaner housing, cap (or
optional precleaner), vacuator and an air restric-optional precleaner), vacuator and an air restric-
tion tion indicatorindicator..
ServicingServicing (Illustration 3-1)(Illustration 3-1).. If If the the equipment equipment isis
being operated under extremely dusty conditions,being operated under extremely dusty conditions,
the vacuator should be checked every day to bethe vacuator should be checked every day to be
certain it certain it is not is not clogged. clogged. Perform the Perform the followingfollowing
procedures to service the filters and air cleanerprocedures to service the filters and air cleaner
components. components. Overservicing of Overservicing of the filters the filters is notis not
recommended. recommended. Filter efFilter efficiency incficiency increases withreases with
initial operation.initial operation.
Death or serious injury couldDeath or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck onon
a hard, level surface, apply the parking brake,a hard, level surface, apply the parking brake,
block the wheels in both directions to preventblock the wheels in both directions to prevent
movement of the truck and Lock Omovement of the truck and Lock Out & Tag Outut & Tag Out
the truck.the truck.
Replace the primary filterReplace the primary filter
periodically or when the air restrictionperiodically or when the air restriction
indicator shows red (refer to the Preventiveindicator shows red (refer to the Preventive
Maintenance chart in the Appendices forMaintenance chart in the Appendices for
primary fiprimary filter replacemenlter replacement interval). t interval). In dustyIn dusty
conditions, the primary filter may have to beconditions, the primary filter may have to be
replaced more often.replaced more often.
Replace the safety filterReplace the safety filter
periodically (refer to the Preventiveperiodically (refer to the Preventive
Maintenance chart in the Appendices forMaintenance chart in the Appendices for
safety filter replacement interval).safety filter replacement interval).
Do Not use ether type fuels toDo Not use ether type fuels to
help start the engine for this may damage thehelp start the engine for this may damage the
engine.engine.
1.1. Park tPark the truhe truck on a hack on a hard, lerd, level svel surfurfaceace, blo, blockck
the wheels in both directions and apply thethe wheels in both directions and apply the
parking brake.parking brake.
2.2. When When the athe air resir restricttriction iion indicatndicator (sor (see Ilee Illustrlustra-a-
tion 3-2) indicates filter servicing (sight glasstion 3-2) indicates filter servicing (sight glass
on indicator is red) is required or the serviceon indicator is red) is required or the service
nancenance chart in thechart in the AppendicesAppendices).).
6.6. ReplacReplace the e the primarprimary fily filter wter with a ith a new fnew filterilter..
7.7. ReRe-i-insnstatall tll the che covoverer..
NOTES:NOTES:
Ensure that cover gasket is assembled toEnsure that cover gasket is assembled to
cover before re-installing the cover onto the aircover before re-installing the cover onto the air
cleaner housing.cleaner housing.
Never use the latches on the cover to forceNever use the latches on the cover to force
the primary filter into the air cleaner housing.the primary filter into the air cleaner housing.
Using the latches to push the filter in couldUsing the latches to push the filter in could
cause damage cause damage to the air to the air cleaner housing. cleaner housing. DoDo
not use the cover not use the cover to push the primary to push the primary filter intofilter into
place.place.
8.8. PusPush the h the resreset buet buttotton on tn on the tohe top of tp of the aihe airr
restriction restriction indicatorindicator..
9.9. CleClean anan and insd inspecpect tht the vace vacuatuatoror..
10.10. Inspect the air Inspect the air intake system intake system for leaks.for leaks.
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