55PERIODIC SERVICE
BChecking OPC System
To avoid personal injury:
A Do not allow anyone near the tractor while
testing.
A If the tractor does not pass the test, do not
operate the tractor.
C Preparation before testing.
1. Sit on operator's seat.
2. Set the parking brake and stop the engine.
3. Shift the range gear shift lever to "NEUTRAL" position.
4. Check the speed control pedal "NEUTRAL" position.
5. Shift the PTO clutch lever to "OFF" position.
C Test 1: Switches for the operator's seat and the
speed control pedal
1. Start the engine.
2. Depress the speed control pedal.
3. Stand up. (Do not get off the machine.)
4. The engine must shut off after approximately 1
second.
5. If it does not stop, consult your local KUBOTA Dealer
for this service.
C Test 2: Switches for the operator's seat and the
PTO clutch lever.
1. Start the engine.
2. Engage the PTO clutch lever.
3. Stand up. (Do not get off the machine.)
4. The engine must shut off after approximately 1
second.
5. If it does not stop, consult your local KUBOTA Dealer
for this service.
BChecking Wheel Bolt Torque
To avoid personal injury:
A Never operate tractor with a loose rim, wheel,
or axle.
A Any time bolts are loosened, retighten to
specified torque.
A Check all bolts frequently and keep them tight.
Check wheel bolts regularly especially when new. If they
are loose, tighten them as follows.
(1) Range gear shift lever (Hi-Lo)
(2) PTO clutch lever
(3) Speed control pedal
(1) 149.2 to 179.0 N-m (15.2 to 18.3 kgf-m, 110 to 132 lbf-ft)
(1) 108.5 to 130.2 N-m (11.1 to 13.3 kgf-m, 80 to 96 lbf-ft)
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