Kubota M7-132, Operator'S Manual

Page: 291 / 332

17. 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 to be worn or
damaged, consult your local KUBOTA Dealer for
this service.
(1) Air conditioner hoses
18. Checking air conditioner drive
belt
WARNING
To avoid personal injury or death:
• Be sure to stop the engine before checking the
belt tension.
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.
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 damaged, replace it with a new one.
1. Stop the engine and remove the key.
2. Press on the spot indicated in the following figure to
measure the deflection.
(1) Air conditioner belt (A) Check the belt tension
18.1 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) Air conditioner belt
(2) Self-tension arm
(3) Square hole
(4) Square wrench
19. Changing front PTO oil (if
equipped)
Cleaning oil filter
1. To drain the used oil, remove the drain and filling
plug at the front PTO case and drain the oil
completely into the oil pan.
2. After draining, reinstall the drain plug.
3. Remove the internal retaining ring and loosen the
M8 bolt to remove the cover.
4. Extract the oil filter from the pump unit and clean it.
5. Reassemble the removal parts.
6. Fill with the new oil up to the lower rim of filling plug
port.
(See LUBRICANTS, FUEL AND COOLANT on
page 252.)
7. After filling reinstall the filling plug.
Oil capacity 2.7 L
EVERY 500 HOURS PERIODIC SERVICE
M7132, M7152, M7172
285