Kubota M7131, Operator'S Manual

Page: 266 / 298

PERIODIC SERVICE 234
B Checking Air Conditioner Pipe and Hose
1. Check to see that all lines and hose clamps are tight
and not damaged.
2. If hoses and clamps are found worn or damaged,
consult your local KUBOTA Dealer for this service.
B
Checking Air Conditioner Drive Belt
To avoid personal injury or death:
A
Be sure to stop the engine before checking belt
tension.
The belt is of self-tension type and needs no
readjustment. Check the belt tension in the following
procedure. If the deflection is out of spec or the belt itself
is found to be damaged, replace it with a new one.
1. Stop the engine and remove the key.
2. Press on the spot indicated in the figure below to
measure the deflection.
C
Replacing the belt
1. Apply a square wrench into the square hole of the air
conditioner belt self-tension arm.
2. Using the wrench in place, unlock the self-tension arm
and undo the belt from the compressor pulley.
3. In applying a new belt, also unlock the self-tension arm
with the same wrench.
(1) Front suspension pressure hoses
(1) Air conditioner hoses
Proper belt
tension
A deflection of between 10 to 12 mm
when the belt is pressed (98 N [10 kgf])
in the middle of the span.
(1) Air conditioner belt (A) Check the belt tension