Cleaning Air Cleaner Primary Element; Cleaning Evacuator Valve; Cleaning Primary Element; Cleaning Pre Cleaner Element - Kubota RTV520 Operator's Manual

PERIODIC SERVICE
3. Cleaning air cleaner primary
element
IMPORTANT :
• The air cleaner uses a dry element, never apply
oil.
• Do not run the engine with filter element
removed.
• Be sure to refit the cover with the arrow (on the
rear of cover) upright. If the cover is improperly
fitted, evacuator valve will not function and dust
will adhere to the element.
• Do not touch the secondary element except in
cases where replacing is required.
(See Replacing air cleaner primary element and
secondary element on page 72.)
NOTE :
• Check to see if the evacuator valve is blocked
with dust.
• Check the rubber seal. Replace if damaged.

3.1 Cleaning evacuator valve

1. Open the evacuator valve once a week under
ordinary conditions - or daily when used in a dusty
place.
2. Remove large particles of dust and dirt.

3.2 Cleaning primary element

1. Remove the air cleaner cover and primary element.
(1) Secondary (safety) element
(2) Primary element
(3) Rubber seal
(4) Evacuator valve
(5) Cover
2. Clean the primary element:
• 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
62
2
, 30 psi).
• When carbon or oil adheres to the element,
replace the element with new one even if it has
not been used for 1 year.
3. Replace the primary element:
Once yearly or after every sixth cleaning, whichever
comes first.

4. Cleaning pre cleaner element

1. Remove the pre cleaner element.
(1) Pre cleaner element
(2) Intake air line
2. Wash the pre cleaner in warm water with detergent.
Rinse the pre cleaner thoroughly until all traces of
detergent are eliminated.
Squeeze out excess water. Allow the pre cleaner to
air dry.
3. Reinstall the pre cleaner.
5. Adjusting alternator drive belt
tension
WARNING
To avoid serious injury or death:
• Be sure to stop the engine before checking belt
tension.
• Allow the engine to cool down sufficiently
before adjustment.
Checking procedure
1. Park the vehicle on a flat surface.
2. Stop the engine and remove the key.
3. Move the checking belt cover to the direction of the
arrow.
EVERY 100 HOURS
RTV520