Every 100 Hours; Cleaning Air Cleaner Element [Single Element Type]; Cleaning Air Cleaner Primary Element [Double Element Type] - Kubota STW34 Operator's Manual

74 PERIODIC SERVICE

EVERY 100 HOURS

BCleaning Air Cleaner Element [Single
Element Type]
1. Remove the element.
2. Clean the element:
(1) 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).
(2) When carbon or oil adheres to the element, soak
the element in detergent for 15 minutes then wash
it several times in water, rinse with clean water
and dry it naturally. After element is fully dried,
inspect inside of the element with a light and
check if it is damaged or not. (referring to the
instructions on the label attached to the case.)
3. Replace air cleaner element:
Once yearly or after every sixth cleaning, whichever
comes first.
A Check to see if the evacuator valve is blocked with
dust.
(1) Elements
(2) Cover
(3) Evacuator valve
A The air cleaner uses a dry element, never apply oil.
A Do not run the engine with filter element removed.
A Be sure to refit the cover with the arrow
rear) upright. If the cover is improperly fitted, dust
passed by the baffle and directly adheres to the
element.
C Evacuator 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.
BCleaning Air Cleaner Primary Element
[Double Element Type]
1. Remove the air cleaner cover and primary element.
2. Clean the primary element:
(1) 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).
(2) When carbon or oil adheres to the element, soak
the element in detergent for 15 minutes then wash
it several times in water, rinse with clean water
and dry it naturally. After element is fully dried,
inspect inside of the element with a light and
check if it is damaged or not.
3. Replace air cleaner primary element:
Once yearly or after every sixth cleaning, whichever
comes first.
A Check to see if the evacuator valve is blocked with
dust.
(1) Secondary (safety) element
(2) Primary element
(3) Cover
(4) Evacuator valve
A The air cleaner uses a dry element, never apply oil.
A Do not run the engine with filter element removed.
(on the
A Be sure to refit the cover with the arrow
of cover) upright. If the cover is improperly fitted,
evacuator valve will not function and dust will adhere
to the element.
A Do not touch the secondary element except in cases
where replacing is required.
(See "Replacing Air Cleaner Secondary Element" in
"EVERY 1 YEAR" in "PERIODIC SERVICE" section.)
C Evacuator 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.
(on the rear