ORION Commercial 'LULA' Elevator - Advanced Lift Solutions

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o r i o n co m m e r c i a l ‘l u l a’ e l e vat o r 3.2 SPLIT CYLINDER ASSEMBLY (If EQUIPPED) 1) Remove all protective tape that has been applied to the ends of the cylinder rod halves. 2) Prepare a lifting device for the raising of the cylinder halves in the hoistway. 3) <strong>Lift</strong> the bottom half of the cylinder assembly to a vertical position with the exposed plunger facing upwards. Lean this assembly to one side and secure. Remove the lifting device and connect it to the top half of the cylinder assembly. 4) The top half of the outer cylinder barrel and inner plunger must be lifted simultaneously. This may require the use of two separate hoisting devices and two nylon straps of cable slings. When the top assembly is raised, it should hang perfectly vertical, and the plunger should protrude out the bottom of the cylinder barrel about 6” (152 mm). Raise the assembly about 6” (152 mm) higher than the lower assembly. 3.2.1 Plunger Assembly 1) Be sure to clean the threads and inspect the O-ring on the bottom of the plunger now hanging in the air. Lubricate the threads with “Lubriplate” (white grease) or similar petroleum based grease. 2) Manoeuvre the lower half assembly into position below the upper half. Slowly lower the upper half assembly until the threaded portion of the upper plunger makes contact with the corresponding female thread of the lower piston rod. The initial starting of the thread is best accomplished by hand (since damage may be caused if cross threading occurs at the start). When started, protect the surface of the plunger halves. 26 of 145 NOTE Tools are needed to screw the two halves together. Strap wrenches are the tools of choice. Never use a chain wrench or a pipe wrench. 3) When the two plunger halves are almost completely screwed together (approximately ¼ turn from tight), pause for a moment. Rapidly rotate the rods together so that the flat surfaces mate with sufficient force to create a torqued joint. No finishing should be required, as the joints have been very accurately machined at manufacture but if a lip is noticed it can be sanded, refer to Section 3.2.3 Split Cylinder Sanding. Orion Installation Guide PN 000581 (18-m06-2010)
3.2.2 Cylinder Barrel Assembly 1) Ensure that the female threads in the lower half cylinder barrel are clean. Inspect the seal of the O-ring just below the internal threads. With grease, lubricate the female threads and the O-ring, as described above. Orion Installation Guide PN 000581 (18-m06-2010) NOTE To prevent an external leak from occurring, there must be no nicks or scratches in the O-ring. 2) Clean the male threads on the upper cylinder barrel and lubricate with grease. 3) Lower the cylinder barrel of the upper assembly and carefully start the thread engagement into the bottom half. The same care and technique should be used, similar to joining the plunger halves. Once completely threaded together there should not be any visible threads. 4) When the two-section jack assembly has been assembled, refer to section 3.3 Jack Unit and Upstand Installation. 27 of 145 o r i o n co m m e r c i a l ‘l u l a’ e l e vato r
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ORION Commercial 'LULA' Elevator - Advanced Lift Solutions

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