Chain
This is the last section required for the GreyT Elevator Single Stage assembly.
Step 1
For this step, all stages will have to be lifted out of the way in order to complete. Once you have access to the Bottom Tube of the Elevator Mast Assembly, bolt the Gearbox Angle Bracket to the bottom of the tube using #10-32 x 3/8"L bolts. The top face of the tube should be drilled to 3/8” so the #10-32 x 3/8”L bolts can be installed easily inside the tube.
The Gearbox Angle Bracket is not included in the GreyT Elevator Kits. It is cut from 1" x 1" x 0.090" Aluminum Angle.
All holes on the Gearbox Angle Bracket will need to be drilled clearance for #10-32 before moving on to the next step.
Step 2
Drill the holes marked in green on the Centered Bearing Plates to be clearance for #10-32. Once that is done, press the 1/2" Rounded Hex Bearing into the plate. Install the Single Stage Gearbox and Centered Bearing Plate in the way shown in the image below.
Step 3
Slide the 22T Sprockets, 1/2" Hex Acetal Spacers, and Clamping Shaft Collars onto the shafts.
Step 4
Install the #25H chain and tensioner. The Spartan #25 Chain tensioner (WCP-0051) and the #25 Chain Turnbuckle (WCP-0247) are compatible with this setup. When running the chain. Make sure it runs between the two Chain Attachment Brackets.
The chain tensioner can go in one of the two spots indicated in the image below in green circles.
Step 5
After the tensioner has been added, bolt through the #25H Chain and Chain Attachment Brackets using #4-40 bolts and nuts. Two additional 1/8" roll pins may be added as well. This will help reduce the load on the #4-40 bolts.
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