Hitachi ZAXIS 30U-5N Operator's Manual page 87

Manual Regeneration Procedure
When the manual regeneration is needed, screens (1) or
(2) as shown in the right will be displayed. Screens (1) or
(2) are displayed depending on the machine conditions.
When screen (2) is displayed, the warning mark of muffler
filter regeneration request (8) is displayed simultaneously.
When these screens are displayed, you need to perform
the manual regeneration. Before starting the manual
regeneration, be sure to check the following.
f
NOTE: The muffler filter regeneration procedure is shown by
illustration (3) under the monitor.
 No person is present around the machine
 Keep flammable materials away from the muffler.
 Remaining fuel alarm (4) does not light.
1. Park the machine in a safe place. Lower the front
attachment onto the ground.
2. Pull the pilot control shut-off lever to the LOCK position.
3. Set the engine control dial to slow idle.
4. Push and hold muffler filter manual regeneration switch
(5) (about 1 second).
5. When pushing the muffler filter manual regeneration
switch (5), screen (6) as shown in the right will be
displayed and the manual regeneration starts. Bar graph
(7) on the screen indicates progress of the regeneration
process.
IMPORTANT: The regeneration does not start unless the
pilot control shut-off lever is in the LOCK position and
the engine control dial is in slow idle. When touching
the pilot shut-off lever or the engine control dial
during regeneration, the regeneration process is
aborted. When the process is aborted, start over again.
6. When the regeneration is finished, "Regeneration Has
Completed." message will be displayed. If "Regeneration
Has Failed." message is displayed, start over the
regeneration process again. Failure of regeneration
process may happen in the conditions other than
above (such as malfunction of a sensor that affects
regeneration at low ambient temperature).
f
NOTE:
 Normally, manual regeneration takes 25 to 30 minutes.
Regeneration time differs depending on the working
conditions.
 When push muffler filter manual regeneration switch (5) at
the engine start, the regeneration does not start unless the
warm-up operation is performed for 15 to 20 minutes.
OPERATOR'S STATION
1-27
4 8
1
MADH-01-050
Illustration (3)
4
2
MADH-01-051
5
3
MADG-01-004
MADG-01-088
6
7
MADH-01-004