9 MAINTENANCE
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9.4 ENGINE AIR FILTER _______________________________________________________
Do not remove the elements to inspect or clean.
Removal of the filter that is not necessary increases
the risk of dust and other particles to enter the
engine.
Clean or replace the outer filter element every 100
hours. Replace the inner element every third change
of the outer filter.
When service is needed, first clean the outside of the
filter housing, then remove the outer element. Only
remove the inner element if replacement is needed.
Clean the inside of the filter housing. Make sure dust and other particles do not get into the engine inlet hose.
Inspect the new elements. Do not use a damaged element and never use an incorrect element.
Assemble the inner and outer filter elements. Make sure the elements seat correctly.
RZT 2550KW, RZT 2760KW and RZT 3172KW: Assemble the cap to the filter housing. Make sure the cap seals
around the filter housing. The dust valve on the cap must be at the bottom of the filter. Fasten the cap with the two clips.
RZT 2750EFI, RZT 2760EFI and RZT 3172EFI: Assemble the cap to the filter housing. Make sure the cap seals
around the filter housing. The dust ejector area on the cap must be at the bottom of the filter. Fasten the cap with the
two clips.
Check the air filter hoses for wear or damage. Make sure the hose clamps are tight and hold the hoses in position.
9.5 ENGINE EXHAUST _______________________________________________________________
If you sense a change in the color or sound of the exhaust, stop the engine immediately. Identify the problem and have
the system repaired.
Torque all exhaust manifold hardware equally. Tighten or replace the exhaust clamps.
WARNING
The exhaust fumes contain carbon monoxide. The carbon monoxide in the exhaust fumes can increase to
dangerous levels. To protect you from carbon monoxide poisoning, inspect the complete exhaust system every
month and replace damaged components immediately.
NEVER operate the engine without enough ventilation.
The temperature of the exhaust components can be greater than 300° F (149° C). To prevent the burns, do not
touch a hot exhaust system.
Valve
Cap
Outer
Element
Inner
Element
Cap
Outer
Element
Inner
Element
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