GENERAL
L3301, L3901, L4701, WSM
G-58
(3) Check Points of Every 100 Hours
Cleaning Air Cleaner Primary Element
1. Remove the air cleaner cover and primary element.
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
2
,
30 psi).
– 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.
• Check to see if the evacuator valve is blocked with dust.
• 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 Secondary Element" in "Check
Points of Every 1 year" on page G-68.)
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.
9Y1211012GEG0147US0
Adjusting Fan Belt Tension
• Be sure to stop the engine before checking belt tension.
1. Stop the engine and remove the key.
2. Apply moderate thumb pressure to belt between pulleys.
3. If tension is incorrect, loosen the alternator mounting bolts and,
using a lever placed between the alternator and the engine
block, pull the alternator out until the deflection of the belt falls
within acceptable limits.
4. Replace fan belt if it is damaged.
9Y1211012GEG0148US0
(1) Secondary (Safety) Element
(2) Primary Element
(3) Evacuator Valve
(4) Cover
Fan belt tension Factory specification
A deflection is 12 mm
(0.48 in.) when the belt is
pressed
68.6 N (7 kgf, 15.4 lbf) in
the middle of the span.
(1) Bolt A: Check the belt tension
B: To tighten
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