John Deere CD4039DF008 - Manual (Page 64)

Maintenance/As required
DPSG,CD03523,44 –19–15JUL99–1/1
CLEAN OR REPLACE AIR FILTER
(ONE-PIECE)
CD30766
–UN–06SEP99
RG9912
–UN–25FEB99
Clean air filter when restriction indicator (A) is red. Air
filter can be cleaned up to six times. Thereafter, or at
least once a year, it must be replaced.
Proceed as follows:
1. Thoroughly clean all dirt around air filter area.
2. Loosen clamp (B) then remove air filter.
IMPORTANT: Never reinstall an air filter which shows
evidence of bad condition (punched,
dented...) allowing no filtered air to
enter the engine.
3. Clean air filter with compressed air working from
“clean” to “dirty” side.
NOTE: Compressed air must not exceed 600 kPa (6 bar;
88 psi).
4. Mark air filter to keep track of each cleaning operation.
5. Fully depress air restriction indicator reset button and
release to reset indicator.
6. Check air system entirely for proper condition (see
CHECKING AIR INTAKE SYSTEM).
50-2
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PN=64