Telsmith Vibrating Aggregate Screen 7 x 20 Single Deck

Ensure cross bracing is provided if all support frames and drive unit/shaft casings are removed.

Determine sequence of wire support frame removal based on screen model and drive unit/shaft casing status.

Remove all cross braces from the bottom side of the screen frame.

Support the back plate with a hoist and lift straps, then remove and lower it.

Support the discharge lip with straps and a hoist, then remove and lower it.

Support the wire frame from above with lift straps at all four corners.

Cut the huck bolts at the four corners and temporarily replace them with bolts, nuts, and washers.

Check oil level at both sight gauges

Add additional oil through the oil manifold breather pipe if needed

Check oil level at petcocks on each side of vibrating unit

Inspect breathers for clogs and clean or replace if necessary

Lockout/Tagout power to screen as detailed in Chapter 1.

Remove the drive belt(s) from the electric motor(s) as detailed in Chapter 3.

Remove the friction dampening puck from each base assembly.

Lift the screen several inches off the screen springs and base frame using a lift hoist and spreader frame.

Block the screen up on blocking of sufficient capacity to support the screen.

Remove the breather assembly from the top of the bearing housing by unthreading the complete assembly at the threaded bushing.

Separate the breather cover from the mounting bushing by unscrewing the cover from the bushing.

Clean the assembly with solvent.

Blow dry the assembly with compressed air.

Were all blockages removed with cleaning?

Consult Telsmith Engineering Department before proceeding with shim changes

Remove the two hex head capscrews holding the counterweight shim stack

Slide the shims out one at a time off the counterweight hub

Slide additional shims on the counterweight hub if required

Fasten shims in position with the two hex head capscrews