Kubota L4701, Operator'S Manual

Page: 51 / 142

Regeneration inhibit mode
DPF system status
Required procedure
PM warning
level
Buzzer
Engine
output
Indicator
1 Not sounding sufficient
The regeneration indicator
starts flashing.
A specific amount of PM has accumulated in
the DPF muffler.
Continue with the operation as it is.
At PM warning levels range from 1 to 2-2, it is also possible to change the
DPF-INHIBIT-switch to auto-regeneration-mode, then perform the regenera-
tion.
2-1
Sounding every
5 seconds
sufficient
The regeneration indicator
starts flashing.
Move the tractor to a safe area, then begin
the process for parked-regeneration-cycle.
(See Operating the engine to regenerate the
DPF for parked regeneration on page 47)
2-2
Sounding every
3 seconds
sufficient
The parked-regeneration-indi-
cator starts flashing.
If the parked-regeneration-cycle is interrupted or the tractor is continuously operated in the PM warning level 2, DPF system becomes in the PM
warning Level 3.
3
Sounding every
1 second
50%
The engine-warning-indicator
starts flashing.
Immediately stop working the tractor, move
the tractor to a safe area, then begin the
process for parked-regeneration-cycle.
(See Operating the engine to regenerate the
DPF for parked regeneration on page 47)
If the tractor is operated further and the oper-
ator ignores the warning signs, then regener-
ation will be disabled.
The parked-regeneration-indi-
cator starts flashing.
If the regeneration cycle is interrupted or the tractor is continuously operated ignoring the warning signs in the PM warning level 3, DPF system
becomes in the PM warning Level 4.
4
Sounding every
1 second
50%
The engine-warning-indicator
remains constantly
“ON” .
Immediately move the tractor to a safe place,
park it there, and turn the engine
“OFF” .
Contact your local KUBOTA Dealer.
• At PM warning level 4, do not continue
to operate the tractor. Otherwise, dam-
age will result to the DPF and engine.
3.3 Operating the engine to regenerate the
DPF for parked regeneration
(1) Parked regeneration switch
(2) DPF INHIBIT switch
(3) Regeneration indicator
(4) Parked regeneration indica-
tor
(5) Engine RPM increase indica-
tor
(6) Engine warning indicator
1. Park the tractor in a safe area away from buildings,
people, and animals.
2. Apply the parking brake.
3. Set the following pedal or lever to the neutral
position.
• [Manual transmission type]
Set the synchro-shuttle shift lever to the neutral
position.
• [HST type]
Set the speed-control-pedal to the neutral
position.
4. Turn “OFF” the PTO clutch control switch or lever.
5. Return the engine rpm to the idle speed.
6. Lower the implement to the ground.
7. Turn the steering wheel to become the front wheels
in the straight ahead position.
EXHAUST AFTERTREATMENT DEVICES OPERATING THE ENGINE
L4701
47