Cautions For A Long Term Operation Suspension - Hitachi NEXT Series Instruction Manual

10. CAUTIONS FOR A LONG TERM OPERATION SUSPENSION

① If the compressor is not to be used for a week or
more, be sure to press the UNLOAD STOP button on
the instrument panel.
The compressor then unloads for 5 minutes and
automatically stops when the airend and the piping
are dry.
IMPORTANT
If unloading is executed before the compressor is stopped,
moisture will be removed from the second-stage air end.
To prevent the second-stage air end from rusting during a
long-time suspension, it is effective to dry the inside of the
air end before stopping the compressor..
② To prevent the inside of airend from rusting, press the
UNLOAD STOP button and dry the compressor for 5
- 10 minutes a week.
③ Be sure to turn off the power if the compressor is not
to be used for an extended period of time.
● If the air compressor stops for a week or more without taking action described in this page, serious
damage for the airend may occur due to the lack of lubrication or airend internal rusting.
● Use unload stop button not only for long operation suspension but also for daily operation to prevent
the airend from the rusting.
● If the air compressor can't be operated weekly, rust prevented action and periodical inspection is
required. Contact the local HITACHI distributor/master dealer or representative office for the detail.
■ How to perform the unload stop action with
lead-lag or multi unit control operation (option)
Unload stop button is ineffective when the operation
mode setting is NOT "Single". (
Deactivate the lead-lag or multi unit control at once
and perform unload stop. When the air compressor is
restarted, set the operation setting to required mode.
108
CAUTION
3.3.5
)
RUNNING CONTROL
AUTO
MONITOR
ALARM
MENU
RESET
FUNC
+/-
UP/
DOWN
REMOTE
STR
SET
MONITOR
UNLOAD STOP button
RUNNING MODE
REMOTE
POWER
LOAD
［× 10h］
AUTO START
SHUTDOWN
SELECT/WIDE START STOP
2
1
UNLOAD STOP