Service
PY80265,05I0247 –19–02JUN06–1/1
Service Air Cleaner at Regular Intervals
PY5772 –UN–02JUN06
A—Air Restriction Indicator
Service air cleaner if air restriction indicator (A) illuminates
or at least every 250 hours. Replace air cleaner elements
at least once a year.
The smaller “secondary” element should be removed only
when being replaced, normally once a year. (See Replace
Air Cleaner in Service—250 Hours section.)
PY80265,05I0248 –19–12SEP05–1/1
Checking Air Intake System
PY4293 –UN–23FEB06
PY4361 –UN–29DEC04
Check all air intake system clamps for tightness.
140-4
082206
PN=121