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EVERY 50 HOURS
(1) Range gear shift lever pivot (spray type grease)
(2) 4WD lever pivot (spray type grease)
(3) Differential lock lever pivot (spray type grease)
(1) Bypass link (spray type grease)
2. Checking engine start system
WARNING
To avoid serious injury or death:
• Do not allow anyone near the vehicle while
testing.
• If the vehicle does not pass the test, do not
operate the vehicle.
Preparation before testing.
1. Place all control levers in the "NEUTRAL" position.
2. Set the parking brake and stop the engine.
RTV520
Test: Range gear shift lever safety switch
1. Sit on the operator's seat.
2. Shift the range gear shift lever to [H] position.
3. Return the speed control pedal to the [N] position.
4. Turn the key to "START" position.
5. The engine must not crank.
6. Repeat the step 2 to 5 with the range gear shift
lever at [L] and [R] each position.
7. If it cranks, consult your local KUBOTA Dealer for
this service.
EVERY 100 HOURS
1. Checking VHT neutral spring
1. Park the vehicle on a flat place.
2. Set the parking brake.
3. Shift the range gear shift lever to the "NEUTRAL"
position.
4. Start the engine.
5. Make sure that the rotation speed of the engine
returns to the idling rotation immediately when
taking the foot off the pedal, after depressing the
speed control pedal several times.
6. If the above does not occur immediately, consult
your local KUBOTA Dealer for this service.
2. Checking wheel bolt torque
WARNING
To avoid serious injury or death:
• Never operate vehicle with loose wheel bolts.
• Any time bolts are loosened, retighten to the
specified torque.
• Check all bolts frequently and keep them tight.
Check wheel bolts regularly especially when new. If
they are loose, tighten them as follows.
(1) Torque wheel bolts to 108.4 to 121.9 N
(11 to 12.4 kgf
⋅ m) (80 to 90 lbf ⋅ ft)
Aluminum wheel:130 to 150 N
(13.3 to 15.2 kgf
⋅ m) (95.9 to 110 lbf ⋅ ft)
PERIODIC SERVICE
⋅ m
⋅ m
61
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Troubleshooting
