Rice Lake Pipe Lever Scale - Manual (Page 8)

4 Pipe Lever Scale Installation Manual
7. Hold trunnion pins in place on loop assemblies and set girder chairs on trunnion pins (see Figure 2-1). Tilt
chairs inward against main pipes to support chairs until hopper or tank is added.
8. Clamp or loosely bolt hopper or tank to top plates of girder chairs.
9. Check each pivot to make sure it is contacting the bearing. Shim under the fulcrum stand or between the
girder chair base plate and the hopper or tank if necessary to obtain even pressure on all pivots.
Note
On Type II scales, ensure levers have equal gap at both ends of each bearing in the fulcrum stand.
10. Secure fulcrum stands to concrete base.
Important
Note
Bolt or weld stands to frame, if used.
To prevent damage to the system, the welder must be grounded near the weld point before welding.
11. Bolt or weld girder chairs to hopper or tank.
12. Adjust nose irons in bolt slots (see Figure 2-4) so distance X from each nose iron pivot to the end of its
lever is equal.
13. Tighten nose iron bolts securely.
14. Position load cell stand over nose iron pivots so load cell assembly hangs plumb. Anchor load cell stand to
concrete.
Note
Bolt or weld the load cell stand to frame, if used.
15. Secure jam nuts on top of plate of load cell stand.
The scale is now fully assembled.
Nose Iron Nose Iron
X X
Pivot Pivot
Figure 2-4. Nose Iron Adjustment