SITE INFORMATION AND CORRESPONDENCE

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Long Term Storage valves and the suction area of the vacuum 1. Spray the interior(lobes, housing and end relief valves. plates) with a rust preventative. • Avoid extended exposure in close proximity 2. ill both end bells completely full of oil. to machinery with high intensity noise 3. Firmly attach a very prominent tag stating levels. that the end bells are full of oil and must Use proper care and good procedures in be drained and refilled to proper levels prior handling, lifting, installing, operating, and to startup. maintaining the equipment. 4. Apply a rust preventative grease to the • Other potential hazards to safety may also drive shaft. be associated with operation of this equip- s. Attach a desiccant bag to either of the port ment. All personnel working in or passing fitting caps to prevent condensation from through the area should be warned by signs occurring inside the blower. Make sure any and trained to exercise adequate general desiccant bag (or bags) is so attached to safety precautions. the covers that they will be removed when Hearing protection may be required dust cover is removed. It is imperative that depending on silencing capabilities. these be removed before startup of the. Maintenance & Replacements blower. Regular inspection of the blower and its in- 6. Store the blower in an air conditioned and stallation, along with complete checks on heated building if at all possible. At least operating conditions will pay dividends in add- insure as dry conditions as possible. ed life and usefulness. Particular attention should 7. If possible, rotate the drive shaft by hand be paid to lubrication of timing gears and bear- at least monthly in order to prevent the ings in accordance with comments under LUBRI- seals from setting in one position. CATION. Also, service the driver per manufac- turer's instructions and lubricate the coupling or Safety Precautions check belt drive tension. By use of thermometers and gauges, make sure that blower operating For equipment covered specifically or temperature and pressure remain within allow- indirectly in this instruction book, it is important ed limits. that all personnel observe safety precautions to When a blower is taken out of service, it may minimize the chances of injury. Among many require internal protection against rusting or cor- considerations, the following should particularly. rosion. The need for such protection must be be noted: a matter of judgement based on existing condi- • Blower casing and associated piping or tions as well as length of down time. Under at- accessories may become hot enough to mospheric conditions producing rapid corrosion, cause major skin bums on contact. the blower should be protected immediately. • Internal and external rotating parts of the Should adjustments or replacements eventual- blower and driving equipment can produce ly be needed, these can often be performed local- serious physical injuries. Do not reach into ly as described in this book after obtaining re- any opening in the blower while it is quired parts. Personnel should have a good operating, or while subject to accidental background of mechanical experience and be starting. Cover external moving parts with thoroughly familiar with these instructions. Ma- adequate guards. jor repairs not covered in this book should be • Disconnect power before doing any work, referred to the nearest M D Pneumatics service and avoid bypassing or rendering in- representative. operative any safety or protective devices. When ordering parts, give all blower nameplate • If blower is operated with piping discon- information, plus the item numbers and names nected, place a strong, coarse screen over as taken from the appropriate assembly drawing the inlet and avoid standing in discharge air in this book. Numbers shown in brackets Q in the stream. following repair procedures correspond to item • Stay clear of the blast from pressure relief numbers in the drawings. 8