Air Cleaner Pre-Cleaner; Air Cleaner Main Filter - Fayat Group DYNAPAC CC425 Instruction Manual

Air Cleaner Pre- Cleaner
Wipe clean the inside of the cover and the filter
housing. Wipe also both surfaces for the outlet
pipe.
N o t e
Check that the hose clamps between
the filter housing and the suction hose
are tight and that the hoses are intact.
Inspect the entire hose system, all the
way to the engine.
Figure 7-1: Pre-Cleaner
Never clean Donoclone tubes with
!
compressed air unless both the safety
and primary elements are installed in the
air cleaner. Do not steam clean the tubes
in the pre-cleaner.

Air Cleaner Main Filter

The air cleaner is the dry type with two elements;
a main filter that is replaceable and can be
cleaned, and a backup filter that should only be
replaced and never cleaned.
63
Figure 7-2: Air Cleaner Elements
A Cover
B Main filter
C Filter housing
When the choking (air filter) indicator illuminates
do the following maintenance steps.
1. Unclip the clamps holding the main filter.
2. Carefully withdraw the main filter.
N o t e Do not clean the air filter until the
indicator illuminates on the control
panel. Cleaning the filter when there is
no indication is not recommended.
N o t e Make sure new elements arrive
enclosed in plastic or in a protective
membrane. Do not install elements
that are unprotected. This is a dust
hazard.
N o t e
Never attempt to clean a backup filter.
Change the backup filter whenever
main filter replaced.
3. Examine the new or newly cleaned main filter
for torn or damaged pleats, bent end covers,
liners, and gaskets.
4. The backup filter should be replaced if the air
cleaner indicator is red after servicing the
main filter.
5. Clean the inside of the air cleaner housing
before removing backup filter.
6. To replace the backup filter, remove the old
filter from the holder. Dispose of the used
element properly.
7. Install new backup filter into the holder.
D Backup filter
E Clips
F Dust valve
Maintenance