MA Series part 1 - Coffing Hoists, Coffing Hoist Parts

sEcTroN IINTRODUCTION Americrane & Hoist Corp 1-800-652-1932U1-1. GENERAL INFORMATION.1-2. This manual provides information for personsengaged in the operation and maintenance of a CoffingMA Ratchet Lever Hoist. All persons operating ormaintaining a model MA hoist must be familiar withthe information contained herein. Adherance to theprecautions, procedures and maintenance practicesdescribed herein should ensure long and satisfactoryuse of your hoist with minimum danger to life, limband property. If any operating or maintenance informationherein seems inadequate for your particularproblem please call or write our service engineers. Wesolicit your suggestions for improvements to thismanual.Note: The information herein is directed to the properuse, care and maintenance of the MA Hoist and doesnot comprise a handbook on the broad subject ofrigging. Rigging can be defined as the process oflifting and moving heavy loads using hoists and othermechanical equipment. Skill acquired through specializedexperience and study is essential to safe riggingoperations. For rigging information, we recommendconsuiting a standard textbook on the subject.1-3. HO|ST CONSTRUCTTON.1-4. The body and handle of the MA hoist are madeof aluminum alloy for strength without excess weight.The hoist unit is protected from load slippage becausethe brake mechanism is sealed against the entrance ofoil, chemicals and dirt-all common causes of hoistslippage. Five seals keep the brake clean and dry,assuring constant brake performance even under conditionsof exposure. Long service life is assured by theheat-treated load sheave and high tensile, heat-treatedsteel link chain. High quality self-lubricating bushingsare used to reduce wear. The handle is secured to thehoist with a cap screw and retainer cap, not a snapring.1-6. This manual covers eight hoists that comprisethe MA series. They are: Models MA-1.5, MA-15-2,MA-15-2W, MA-30, MA-30-2, MA-30-2W, MA-30-3and MA-30-4.1-7. The operator should be aware of the capabilitiesof his hoist. He must refrain from overloading. Overloadingnot only can cause damage to the hoist, butpresents serious threats to persons around the hoist.See Table I for some leading particulars with whichthe operator should be familiar.tModelNoRstedCapacity(hunds)StandardLiftOnches)TABLE I. LEADING PARTICULARSAv. Pullon Irverto LiftFull Inad(Founds)Approx.Net Wt.(Founds)Min.DistanceBetweenHooks0nches)kverI.ength(Inches)Min. Incr.in LiftingFositionOnches)Numberof(Chains)MA-I5 1,500 60 6l l4t/o t2% 20y, .188 IMA-15-2 3,000 60 6t 20Yo t'l 20y, .094 2MA-15-2W 3,000 60 60 20 l5 20Y, .094 ,MA-30 3,000 60 82 23 l5 20/, .088 IMA-30-2 6,000 60 87 36 t8% 20/, .w 2MA-30-2W 6,000 60 87 36 t8% 20y, ,w 2MA-30-3 9,000 60 90 53 23Yt 20y, .029 3MA-30-4 12,000 60 93 63 22 20y, .022 4Americrane & Hoist Corp 1-800-652-1932t