Maintenance
50940411/G0219 130 Printed in U.S.A.
Engine Air Filters
IMPORTANT: Do not operate the engine without
the air cleaner components installed or damage to
the engine could occur.
Check, and if necessary replace, the engine air
filters after every 250 hours of use, or every 6
months, or whenever the engine air filter restriction
indicator is lit (F, Fig. 131).
NOTE:
The engine air filter restriction indicator (F,
Fig. 131) on the multi-function display is lit
whenever the air cleaner becomes restricted. When
this indicator is lit, the air filters require inspection
and may need replacement.
The air cleaner consists of an outer (primary) filter
element (G, Fig. 132 and Fig. 133), an inner
(secondary) filter element (H) and an optional pre-
cleaner.
Replace the inner filter element every third time the
outer element is replaced, unless the outer element is
damaged or the inner element is visibly dirty.
Be sure the air cleaner intake hose, clamps and
mounting bracket hardware are properly tightened.
Changing Air Filter Elements
1. Perform the “Mandatory Safety Shutdown Pro-
cedure” on page 20.
2. Open the engine cover according to “Engine
Access” on page 126.
3. Unlatch clamp (J, Figs. 132 and 133) on the air
cleaner housing and remove the air filter cover
(L).
4. Clean debris from inside the air cleaner housing
(M) and air filter cover.
Fig. 131 – Engine Air Filter Restriction Indicator
F
Fig. 132 – Engine Air Filters: Models RT175 and
RT210 with Tier 4 Engines
H
M
G
L
J
Z
Y
Y
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