23
DANGER
The booster and connecting piping shall be regularly inspected to assure
that process gases are not vented such that a hazard is created. The
booster shall also be regularly inspected to assure that the booster and the
drive components do not create a source of ignition.
CAUTION
The electrical service must be isolated and de-energized prior to
maintenance. Apply appropriate procedures to assure electrical supply is
de-energized and cannot be inadvertently energized during maintenance.
Assure piping and product is isolated prior to maintenance of booster.
Apply appropriate procedures to assure piping and product is isolated and
that inadvertent opening of valves cannot occur during maintenance.
CAUTION
During routine maintenance, inspect and assure that guards are in place
and secure.
NOTE
When changing oil be sure to reseal the drain and fill plugs. This is
especially important on 92/93 series which have no mechanical seals on
the rotors. Air leaks past these plugs can cause rapid loss of oil from end
covers resulting in booster failure.
Particular attention should be paid to lubrication of timing gears and bearings in accordance with comments
under the
Lubrication
section.
When a vacuum booster is taken out of service, it may require internal protection against rusting or corrosion.
The need for such protection must be a matter of judgment based on existing conditions as well as length
of down time. Under atmospheric conditions producing rapid corrosion, the booster should be protected
immediately. Refer to the
Long Term Storage
section for more details.
7.2 REGULAR MAINTENANCE
A good maintenance program will add years of service to your booster.
A newly installed booster should be checked frequently during the first month of operation, especially
lubrication. With booster at rest, check oil level in both the gear (drive) end and free (non-drive) end of
the booster and add oil as needed. Scheduled maintenance consists of changing lubricating oil every 250
to 1500 hours of operation, or more frequently depending on the type of oil and operating temperature.
Boosters with mechanical seals on the rotors can generally run the full 1500 hours before an oil change is
required. Also change the oil more frequently if pumping corrosive vapors or where excessive operating
temperatures are encountered. The following is recommended as a minimum maintenance program.
DAILY
WEEKLY
MONTHLY
1. Check and maintain oil level,
and add oil as necessary.
2. Check for unusual noise or
vibration (See
Troubleshooting
)
1. Clean all air filters. A clogged air filter
can seriously affect the efficiency of the
booster and cause overheating and oil
usage.
2. Check relief valve to assure it is
operating properly.
1. Inspect the entire system for leaks.
2. Inspect condition of oil and change
if necessary.
3. Check drive belt tension and
tighten if necessary.
Содержание M-D Pneumatics 7010
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Страница 50: ...50 3200C CUTAWAY DRAWING 3200 90C 91C 92C 93C 1 OF 2 A ...
Страница 51: ...51 3200C CONFIGURATIONS DRAWINGS 3200 90C 91C 92C 93C 2 of 2 A ...
Страница 54: ...54 5500C CUTAWAY DRAWING 5500 90C 91C 92C 93C 1 OF 2 E OIL LEVEL SIGHT GAUGE DETAIL ...
Страница 55: ...55 5500C CONFIGURATIONS DRAWINGS 5500 90C 91C 92C 93C 2 of 2 E ...
Страница 56: ...56 7000C CUTAWAY DRAWING 7000 90C 91C 1 OF 3 ...
Страница 57: ...57 7000C CONFIGURATIONS DRAWING 7000 90C 2 OF 3 ...
Страница 58: ...58 7000C CONFIGURATIONS DRAWING 7000 91C 3 OF 3 7000 91C 7013 SHOWN ...
Страница 68: ...68 NOTES ...