TP-6197 3/06 25Section 3 Scheduled Maintenance
3.6 Air Cleaner
At the interval specified in the service schedule, inspect,
clean, or replace the air cleaner element. Clean the
element more frequently in dirty, dusty conditions.
Check the element for accumulated oil or dirt that could
cause poor performance. Replace a damaged air
cleaner element. Follow the procedure described
below.
Air Cleaner Service Procedure
A dry-type air cleaner silences and filters the intake air.
The air intake silencer assembly connects to the intake
manifold via a flexible hose. Refer to Figure 3-7 during
this procedure.
1. Release the spring clips to open the housing and
remove the air silencer element.
2. Tap the element lightly against a flat surface to
dislodge loose surface dirt. Do not clean the
element in any liquid or use compressed air as
these will damage the filter element.
3. Examine the element and housing for damage.
Replace the element or housing if necessary.
4. Wipe the cover and housing with a clean rag to
remove dirt. Make sure the sealing surfaces fit
correctly and reattach the spring clips.
GM21379
1. Cover
2 Spring clip(s)
3. Housing
4. Pressure tap
(1/8-27 NPT)
5. Primary element
6. Dust ejector
1
3
4
5
6
2
Figure 3-7 Air Cleaner
3.7 Exhaust System
Carbon monoxide.
Can cause severe nausea,
fainting, or death.
The exhaust system must be
leakproof and routinely inspected.
WARNING
Carbon monoxide detectors. Carbon monoxide can
cause severe nausea, fainting, or death. Install carbon
monoxide detectors on each level of the building. Locate the
detectors to adequately warn the building’s occupants of the
presence of carbon monoxide. Keep the detectors operational
at all times. P eriodically test and replace the carbon monoxide
detectors according to the manufacturer’s instructions.
At the interval specified in the service schedule, inspect
the exhaust system components (exhaust manifold,
exhaust outlet, exhaust line, exhaust clamps, and
muffler) for cracks, leaks, and corrosion.
Exhaust System Inspection Points
D Check for corroded or broken metal parts and replace
them as needed.
D Check for loose, corroded, or missing clamps and
hangers. Tighten or replace the exhaust clamps
and/or hangers as needed.
D Check that the exhaust outlet is unobstructed.
D Check the exhaust gas color. If the exhaust is blue or
black, contact your local distributor/dealer.
D Visually inspect for exhaust leaks (blowby). Check
for carbon or soot residue on exhaust components.
Carbon and soot residue indicates an exhaust leak.
Seal leaks as needed.
D Check the installation and operation of carbon
monoxide (CO) detectors.
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