22
6.8 RECOMMENDED SHUTDOWN PROCEDURE TO MINIMIZE RISK OF FREEZING OR
CORROSION
When high humidity or moisture is present in an air piping system, condensation of water can occur after
the booster is shut down and the booster begins to cool. This creates an environment favorable to corrosion
of the iron internal surfaces, or in cold weather, the formation of ice. Either of these conditions can close the
operating clearances, causing the booster to fail upon future start-up.
The following shutdown procedure outlined below minimizes the risk of moisture condensation, corrosion
and freezing.
NOTE
Care must be taken so as not to overload or overheat the booster during
this procedure.
1. Isolate the booster from the moist system piping, allowing the booster to intake atmospheric air. Operate
the booster under a slight load allowing the booster to heat within safe limits. The heat generated by the
booster will quickly evaporate residual moisture.
2. For carpet cleaning applications, after the work is completed, simply allow the booster to run a few (3-5)
minutes with the suction hose and wand attached. The suction hose and wand will provide enough load
to the booster to evaporate the moisture quickly.
3. For extended shutdown, inject a small amount of a light lubricating oil such as 3-in-One
®
or a spray
lubricant such as WD-40
®
into the inlet of the booster just prior to shutdown.
(3-in-One and WD-40 are
registered trademarks of WD-40 Company.)
The lubricant will provide an excellent protective coating
on the internal surfaces. If using a spray lubricant, exercise care to prevent the applicator tube from
getting sucked into the booster. The applicator tube will damage the booster, most likely to the point
that repair would be required.
4. If the booster is being taken out of commission for an extended period of time, please also refer to the
“Long Term Storage”
section of this manual.
7. MAINTENANCE
7.1 GENERAL
Regular inspection of your vacuum booster and its installation, along with complete checks on operating
conditions will pay dividends in added life and usefulness. Also, service the drive per manufacturer’s
instructions and lubricate the coupling or check belt drive tension. By use of thermometers and gauges,
make sure that booster operating temperature and pressure remwain within allowed limits.
DANGER
The booster and parts may contain hazardous media. Assure that pump
and parts are evacuated of hazardous media prior to servicing.
Summary of Contents for M-D Pneumatics 7010
Page 43: ...43 NOTES ...
Page 50: ...50 3200C CUTAWAY DRAWING 3200 90C 91C 92C 93C 1 OF 2 A ...
Page 51: ...51 3200C CONFIGURATIONS DRAWINGS 3200 90C 91C 92C 93C 2 of 2 A ...
Page 54: ...54 5500C CUTAWAY DRAWING 5500 90C 91C 92C 93C 1 OF 2 E OIL LEVEL SIGHT GAUGE DETAIL ...
Page 55: ...55 5500C CONFIGURATIONS DRAWINGS 5500 90C 91C 92C 93C 2 of 2 E ...
Page 56: ...56 7000C CUTAWAY DRAWING 7000 90C 91C 1 OF 3 ...
Page 57: ...57 7000C CONFIGURATIONS DRAWING 7000 90C 2 OF 3 ...
Page 58: ...58 7000C CONFIGURATIONS DRAWING 7000 91C 3 OF 3 7000 91C 7013 SHOWN ...
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