Reach into elbow duct as far as you can and wipe dust into filter compartment. With a
d a m p clean cloth, clean out filter compartment. Make sure dust or dirt did not go
back toward air outlet elbow duct.
Cover outlet port with cardboard and tape to prevent dirt from entering engine.
f. Close access door if element will not be replaced immediately.
Inform crew that filter element has been removed and
engine must not be started. Damage to engine could result
if engine is started.
3-4. Air Cleaner Filter Element Inspection and Cleaning.
T h e r e are two approved methods for cleaning of the top loading air
filter elements, using compressed air or washing.
Do not bang or strike the element against the vehicle or any
solid object. Striking the element will damage the element
a n d the filter element must be replaced. DO NOT use a
b r u s h to clean the element. Brushes will tear holes in the
filter and will allow dust and dirt to pass through and be
drawn directly into the engine.
( 1 ) General.
Inspect the filter for any defect that will let the air flow draw foreign material,
i n c l u d i n g pieces of a damaged filter e l e m e n t , into the elbow duct. The most
common defects are:
(a) Holes in the filter material.
(b) Loose parts or deformation of the e l e m e n t .
(c) Damaged seals and sealing surfaces.
(d) Damaged tabs and parts that hold the element in the sealed position.