Adjusting Fan Belt Tension - Kubota M5N-091 Operator's Manual

104 PERIODIC SERVICE
A Check to see if the evacuator valve is blocked with
dust.
(1) Secondary (safety) element
(2) Primary element
(3) Evacuator valve
(4) Cover
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
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 1000 HOURS or 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.
BAdjusting Fan Belt Tension
To avoid personal injury or death:
A Be sure to stop the engine before checking belt
tension.
[M5N-091, M5N-111]
Proper fan 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 turn the adjusting bolt to adjust the belt
tension within acceptable limits.
4. Replace fan belt if it is damaged.
(on the rear
(1) Adjusting bolt
(2) Alternator mounting bolt
A deflection of between 13 to 15 mm
(0.51 to 0.59 in.) when the belt is
pressed in the middle of the span.
(A) Check the belt tension
(B) To tighten