Testing Switch For Pto Clutch Control Switch; Checking Operator Presence Control (Opc) System; Checking Wheel Bolt Torque; Checking Tie-Rod Dust Cover - Kubota M4N-071 Operator's Manual

EVERY 50 HOURS
6. Turn the key to "START" position.
7. The engine must not crank.
8. If it cranks, consult your local KUBOTA Dealer for
this service.
1.3 Testing switch for PTO clutch control
switch
1. Follow the "PARKING THE TRACTOR" instructions.
(See PARKING THE TRACTOR on page 11.)
2. Sit on the operator's seat.
3. Engage the PTO clutch control switch.
4. Depress the clutch pedal fully.
5. Shift the shuttle shift lever to the "NEUTRAL"
position.
6. Turn the key to "START" position.
7. The engine must not crank.
8. If it cranks, consult your local KUBOTA Dealer for
this service.
1.4 Checking operator presence control
(OPC) system
WARNING
To avoid personal injury or death:
• Before checking the PTO OPC, make sure that
the PTO drive shaft is disconnected from the
tractor.
• If the buzzer does not sound during the PTO
OPC check procedure, shut off the engine and
consult your local
immediate servicing of the PTO OPC.
• The unit should not be operated until servicing
is completed.
1. Follow the "PARKING THE TRACTOR" instructions.
(See PARKING THE TRACTOR on page 11.)
2. Make sure the PTO drive shaft is disconnected from
the tractor.
3. Sit on the operator's seat.
4. Start the engine.
5. Engage the PTO clutch control switch or lever. The
PTO should begin to rotate. Disengage the PTO
clutch control switch or lever.
6. While getting up from the operator's seat, engage
the PTO clutch control switch or lever.
a. The PTO should begin to rotate and a buzzer
should sound.
b. Disengage the PTO clutch control switch or
lever.
c. If the buzzer does not sound, shut off the
engine and consult your local KUBOTA Dealer
for immediate servicing of the PTO OPC.
M4N-071, M5N-091, M5N-111
KUBOTA Dealer for
7. If the PTO OPC is operating properly, shut off the
engine and reconnect the implement drive shaft to
the PTO. Restart the engine per the available
instructions.

2. Checking wheel bolt torque

WARNING
To avoid personal injury or death:
• Never operate the tractor with a loose rim,
wheel or axle.
• Any time bolts and nuts are loosened, retighten
to the specified torque.
• Check all bolts and nuts frequently and keep
them tight.
Check wheel bolts and nuts regularly, especially when
new. If they are loose, tighten them as follows.
(1)
Steel disk
260 to 304 N⋅m 244 N⋅m
26.5 to 31.0 kgf⋅m 24.9 kgf⋅m
191.8 to 224.2 ft⋅lbs 180 ft⋅lbs

3. Checking tie-rod dust cover

Check to see that dust covers are not damaged.
If dust covers are damaged, consult your local
KUBOTA Dealer for this service.
PERIODIC SERVICE
(2)
Cast iron disk
260 to 304 N⋅m
26.5 to 31.0 kgf⋅m
191.8 to 224.2 ft⋅lbs
109