Autoquip FREIGHTLIFT FLMC - Manual (Page 40)

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SPLICED BEAMS (when used)
1. Set the upper mast on its respective lower mast (plates & beams are marked)
in the orientation shown on Figure 23, taking necessary precautions not to
bend or damage transition plates.
2. Verify that both beams are true, straight, and plumb within 1/8” over any 10
foot span and not to exceed 3/8” over the entire length of the beam. NOTE:
This tolerance may not be exceeded or immediate & permanent damage to the
hardened wheel guide wheels will occur. (Shim material by installer).
3. Once both beams are verified to be straight & plumb as specified above,
permanently weld the upper & lower mast assemblies together as shown.
Weld distortion to the beams must be minimized to hold the required tolerance
to beam straightness.
NOTE: Care should be exercised not to distort the masts from welding,
and alignment is critical. Grind the guide beams to provide a smooth
surface for the guide wheels and rollers.
NOTE: Beams must be plumb and parallel within 3/8” overall before
proceeding with permanent bracing. The beams MUST be within this
tolerance or the guide wheel assemblies will fail prematurely.
INSTALLATION INSTRUCTIONS