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CAMA Gets a Corliss Steam Engine
Part 7: Completing the Installation (Flywheel and Crankshaft)

On Sunday, August 10, 2008, a crew of volunteers led by Ray deZara, completed the basic assembly of the Nagle-Corliss steam engine.  With the use of an 18,000 pound capacity Towmotor forklift (provided by Tom Laganga of DBL Industries), the remainder of the major parts of the Nagle were brought inside and assembled on the frame.  This huge forklift presented some maneuverability issues in the limited space of the Industrial Hall.  Tom and Ray worked together to figure out the best way of bringing in and install the 2 flywheel halves and crankshaft, often times employing multiple picks and pick points to move the large parts into position. 
Crankshaft assembly    
   Flywheel halves
ABOVE:
After being covered since the winter of 2006, the Nagle-Corliss crankshaft appears to be in excellent condition.
ABOVE:
Here, next to the crankshaft, the two halves of the flywheel lie in the weeds none the worse for their outdoor storage.

 Bearing cap removal 
  flywheel move
ABOVE:
Tom Laganga of DBL Industries removes the inboard bearing cap with his 9 ton capacity Towmotor forklift. Working in the Industrial Hall is somewhat confining mostly due to the relatively low roof trusses.
ABOVE:
Using the fork lift, the lower half of the flywheel is first to go into position in the flywheel pit.  This is the first of a number of picks needed to move it into position.
flywheel pick 
   Flywheel pick 2
ABOVE:
To get the 12 foot wide flywheel half through the 11 foot door opening, this pick is used so the wheel can be spun on the fork.
ABOVE:
Once inside the Industrial Hall another pick is used with the forks spread wide enough to span the concrete pier of the outboard bearing.
Flywheel pick 3
Flywheel in pit
ABOVE:
The flywheel is set down here for a final pick to lift it up and over the outboard bearing and lower it into the pit.  Note the forks on either side of the pier.
ABOVE:
Nylon web straps are finally used to lower the flywheel half into the bottom of the pit. Again, the forks are spread wide to straddle the outboard bearing.
Crank alignment
Crank into Ind Hall
ABOVE:
Next, the crankshaft assembly is aligned on the forks to move it into the Industrial Hall.  A temporary I-beam is used to support the weight of the front of the crankshaft.
ABOVE:
Now, the crankshaft can be moved into the building.  This crank must be slung low so the top of the forklift can make it  through the door and under the roof trusses.
Crank into position
Crank in.
ABOVE:
To move the crankshaft into its final resting place on the main bearings, it is now slung under the forks using web straps.  This way it can be lowered into position without the forks interfering.
ABOVE:
The crankshaft is back home on the main engine bearings.  Note that the lower flywheel half is more than a foot below the crankshaft.
Lift flywheel
2nd flywheel half
ABOVE:
Using yet another pick, the forklift lifts the flywheel bottom up to meet the crankshaft.  Temporary cribbing and wedges are used to support the flywheel half up against the crankshaft.
ABOVE:
Now, the top half of the flywheel is moved into the building. 
Maneuvers
Dropping in
ABOVE:
Once aligned with the crankshaft center, a chain is used to lift the flywheel half up and over the 6 foot diameter belt pulley.  Chain is used since it does not stretch.  The flywheel just barely fit between the roof trusses and the top of the pulley with the lift boom of the forklift fully extended.
ABOVE:
Here, the flywheel is being lowered into position on top of the crankshaft. Once the halves are aligned, they can be bolted into position.
bolting up
Finished for day
ABOVE:
Here, the 10 large flywheel bolts are being tightened to finish assembly.
ABOVE:
Once again the major parts of the engine are together again.  Cleaning and restoration of smaller parts is already underway.  The last remaining flyball from the governor is currently in a foundry being used as a pattern to make a pair of replacements.  The valve linkages are currently being cleaned.

At this point,  mechanical restoration of the engine has already begun.  It is unlikely that the engine will be running at this year's Fall Festival, but at least it will be assembled.

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This page was created on 8/11/08 by Jim Anderson