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Some examples of our commitment to doing the job right
Heavy duty gear reducer mount
We bolted the gear reducer mount to the frame rails
We bolted the gear reducer mount to the frame rails
This mounting plate was machined from 1-1/2" thick steel plate rather than just two pieces of bar stock welded to the frame rails.
We bolted the gear reducer mount to the frame rails
We bolted the gear reducer mount to the frame rails
We bolted the gear reducer mount to the frame rails
We drilled the frame rails and used twelve 3/4" grade 8 bolts (from underneath) to secure the mounting plate. The threads were lubricated and the bolts were torqued to 280 foot pounds for a clamping force of 30,000 lbs. (each bolt).
We placed the shims under the mounting plate.
We bolted the gear reducer mount to the frame rails
We placed the shims under the mounting plate.
By shimming under the mounting plate, the gear reducer can be removed in the field and there is no angular misalignment to be concerned about during re-installation. A dial indicator is still needed, but the job is much simpler. We also installed positioning jacks to help align the mounting plate. These jacks helped us to line up the input shaft of the gear reducer correctly so we could place the motor exactly where we planned.
Bolts being properly torqued.
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
We placed the shims under the mounting plate.
We used a 1" square drive torque multiplier to torque the gear reducer mounting bolts to 1,800 foot pounds for a clamping force of 87,000 lbs. (each bolt).
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
The motor was mounted on a thick plate that was machined flat and shimmed underneath so the motor is bolted directly to the mounting plate. The job of reinstalling the motor is much easier should it ever need to be removed.
We removed all the counterweights and repositioned them.
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
We mounted the 40 HP electric motor the same way we mounted the gear reducer.
Part way through the project, we determined that the main reason the air/oil lift cylinder was worn out was because the machine was very front-heavy. We decided to remove all the counterweights and re position them as far back as possible. We also re-located the motor all the way to the rear and we stacked some of the weights opposite the motor to help with the side to side imbalance.