Air Cleaner; Cleaning Primary Air Cleaner Element; Evacuator Valve; For The Air Cleaner With A Dust Cup (Optional) - Kubota WG3800-L-E5 Operator's Manual

30 PERIODIC SERVICE

AIR CLEANER

Since the air cleaner employed on this engine is a dry
type, never apply oil to it.
1. Open the evacuator valve once a week under ordinary
conditions - or daily when used in a dusty place. This
will get rid of large particles of dust and dirt.
2. Wipe the inside air cleaner clean with cloth if it is dirty
or wet.
3. Avoid touching the element except when cleaning.
4. When dry dust adheres to the element, blow
compressed air from the inside turning the element.
Pressure of compressed air must be under 205 kPa
(2.1 kgf/cm , 30 psi).
5. Replace the primary element every year or every 6
cleanings.
If the primary element is stained heavily, replace it
soon. At this time, replace the secondary element too.
6. The secondary element should be removed only if it is
to be replaced.
7. To protect the engine, do not remove the secondary
element in servicing the primary element.
(1) Air cleaner body
(2) Cover
(3) Secondary element
A Make sure the hooking clip for cover for the element is
tight enough. If it is loose, dust and dirt may be sucked
in, wearing down the cylinder liner and piston ring
earlier and thereby resulting in poor power output.
A Do not overservice the air cleaner element.
Overservicing may cause dirt to enter the engine
causing premature wear. Use the dust indicator as a
guide on when to service.
BCleaning primary air cleaner element
1. To clean the element, use clean dry compressed air
on the inside of the element.
Air pressure at the nozzle must not exceed 205 kPa
(2.1kgf/cm , 30psi).
Maintain reasonable distance between the nozzle and
the filter.
BEvacuator valve
Open the evacuator valve once a week under ordinary
conditions - or daily when used in a dusty place - to get rid
of large particles of dust and dirt.
(4) Primary element

(5) Evacuator valve

BFor the air cleaner with a dust cup
(optional)
Remove and clean out the dust cup before it becomes
half full with dust; usually once a week, or even every day
if the working surroundings are dusty.
Install the air cleaner dust cup with "TOP" indicated on the
rear of the cup in the up position. (However, it may be
installed in either direction when the cover is placed at the
lower part.)
A If the dust cup is mounted incorrectly, dust or dirt does
not collect in the cup, and direct attachments of the
dust to the element will cause its lifetime to shorten to
a great extent.
(1) Air cleaner body
(2) Secondary element
(3) Primary element
BDust indicator (optional)
If the red signal on the dust indicator attached to the air
cleaner is visible, the air cleaner has reached the service
level.
Clean the element immediately, and reset the signal with
the "RESET" button.
(1) "RESET" button
(2) Dust indicator
(4) Dust cup
(5) "TOP" mark
(3) Service level
(4) Signal