Adjusting Fan / Air-Conditioner Belt Tension - Kubota M6060 Operator's Manual

94 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 / Air-conditioner Belt
Tension
To avoid personal injury or death:
A Be sure to stop the engine before checking belt
tension.
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 tension pulley nut and
lock nut. And turn counterclockwise the tension bolt
until the deflection of the belt falls within acceptable
limits.
4. Replace fan belt if it is damaged.
A Make sure that the V-belt tension is as specified as
shown in the table above after tightening the tension
pulley mounting nut.
(on the rear
(1) Tension pulley nut
(2) Tension bolt
(3) Lock nut
A deflection of between 11 to 12 mm
(0.43 to 0.47 in.) when the belt is
pressed (98 N [10 kgf, 22.1 lbs]) in
the middle of the span.
(A) Check the belt tension
(B) To tighten