Yamato PDC510, Инструкция по эксплуатации

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21
7. MAINTENANCE
Periodic Inspection
Conduct the periodic inspections according to the following tables.
Every Month
Date: Temperature:
℃
Humidity:
％
Inspected by:
No. Place Method Criteria Result Remarks
1 Exhaust speed
test
Conduct test under nor-
mal operating conditions.
3 minutes max. from
atmospheric pressure
to 13 Pa.
If the criteria are
not met or the oil
is contaminated,
the oil must be
replaced.
2 Ultimate vacuum
test
Conduct test under nor-
mal operating conditions.
10 Pa or below. after 20
minutes of evacuation.
3 Vacuum leak test Conduct test under nor-
mal operating conditions.
+20 Pa max. 20
minutes after start from
the ultimate vacuum.
If over 20 Pa,
vacuum may be
leaking.
Note: If the first test did not meet the criteria, a possible cause may be adsorption of water. If the criteria
are not met, conduct the leak test again immediately after the first test.
Every Year
Date: Temperature:
℃
Humidity:
％
Inspected by:
No. Place Method Criteria Result Remarks
1 Retighten connec-
tion screws
All motion at a stop. Not loose.
2 Retighten piping
joints
All motion at a stop. Not loose.
3 Replace O-rings All motion at a stop. No damage or adhesion
of foreign matter.
4 Earth leakage
breaker
Under the normal oper-
ating conditions.
Turned off when the
breaker’s red button is
pressed.
5 Emergency stop
button
Under the normal oper-
ating conditions.
The pump and opera-
tion panel power is
turned off.
Every 4 Years
Date: Temperature:
℃
Humidity:
％
Inspected by:
No. Place Installed on Criteria Result Remarks
1 Battery Programmable controller Replace every 4
years.
Programmable terminal
2 Backlight Touch panel Correct brightness. Replace every
40,000 hours.
◆
The intervals of replacing the oil in the vacuum pump largely depend on the conditions of use, but usu-
ally it must be replaced every three to six months.
◆
The recommended intervals of parts replacement as a result of the inspections are for reference.
Parts may be replaced earlier depending on the frequency of use.
◆
If you have any questions, please contact the dealer or Yamato Scientific.