MacDon 9250 SP - Manual (Page 72)

Form # 46584 Issue 11/06 Web Rev_01 70
MAINTENANCE/SERVICE
Diesel Engine: Air Intake System
AIR CLEANER
CLEANING FILTER ELEMENTS (continued)
5. Using a Dry Element Cleaner Gun, clean
element with compressed air.
Hold nozzle next to inner surface, and move up
and down pleats.
IMPORTANT: Air pressure must not exceed 100
psi (700 kPa). Do not direct air against outside of
element, as dirt might be forced through to inside.
6. Repeat steps 4 and 5 to remove additional dirt.
7. If washing is not necessary, repeat inspection
(Step 3) before installing.
8. If element is coated with oil or soot, wash in a
solution of warm water and Filter Element
Cleaner (Donaldson D1400 or equivalent) as
follows:
-Let element soak in solution at least 15 minutes,
then agitate gently to flush out dirt.
-Rinse element thoroughly from inside with clean
water. Use element cleaning gun or a free-
running hose (maximum pressure 40 psi [275
kPa]; higher pressures can damage element).
-Allow element to dry completely before using.
This usually takes from one to three days. Do
not oven dry, or use compressed air or other
drying agents. Protect element from freezing
until dry.
-Inspect element (Step 3) before re-installing.
9. Inspect the air intake piping for damage,
cracked hoses, loose clamps, etc.
FILTER ELEMENTS - REPLACEMENT
The air cleaner's primary (outer) filter element
should be replaced after six cleanings or at least
every three years.
The secondary (inner) element must not be
cleaned, and should be replaced every third time
the primary element is changed.
CLEAN WITH COMPRESSED AIR
WASH AND RINSE ELEMENT