7 MAINTENANCE
85
The above message will be displayed when the air cleaner requires service. See
also section 4.8.1 to access the diagnostic and fault menus to clear this fault
once required service has been performed.
RT-40 US O&M
0404-766 2019-05
• DO NOT remove air filter elements until the machine displays a message
indicating a need for service. However, in the absence of this message, you
may remove the cover (steps 1-2, section 7.16) at 250 hour intervals to
inspect them in place. If heavily soiled, service the air cleaner (section 7.16).
• DO NOT clean air filter elements while the engine warranty is in effect.
During the warranty period, replace air filter elements instead of cleaning
them. Heavy-duty air filter manufacturers will not warrant the air filter once it
has been cleaned.
NOTICE
x100
15
0
%
30
86
050100
°F
800
RPM
Fault 1 o f 1
System Monitor
Engine Air Filter I
Service Soon
Special Instructions
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