Telsmith Vibrating Aggregate Screen 8 x 24 Double Deck

Check wire weave for breaks, tears or separation of the wire.

Replace wire that exhibits any damage.

Observe operating screen for any panels with 'dead spots' where material is puddling.

Replace wire panels that no longer maintain tension over the complete surface area.

Screen Tension and Buffer Check

Check that screen is tight against all buffer and crown bars.

Replace rubber on crown bars if missing, torn, or worn through to the metal.

Check vibrator oil for impurities (oil sample)

Check nuts and bolts for tightness or missing fasteners

Check decks for heavily worn hardware or worn cross members

Check that vibrating unit drive sheave is free of debris and tight on shaft bushing

Check that electric drive motor output sheave is tight on shaft

Structural and Frame Inspection

Inspect friction pucks for wear

Check live frame for cracks or broken welds

Ensure cross bracing is provided if all support frames and drive units are removed.

Removal of Backplate and Discharge Lip

Support the backplate with a hoist and lift straps.

Remove the capscrews holding the backplate to the support frame.

Lower the backplate to the ground.

Support the discharge lip with straps and a hoist.

Remove the six capscrews and locknuts holding the discharge lip assembly.

Lower the discharge lip assembly to the ground.

Review Figure 8-55 for brace pattern

Identify brace lengths to be replaced

Clamp the brace being removed to the mounting tabs at both ends using a C-clamp

Remove all 3/4” capscrews holding the brace to the support frame

Remove the C-clamps from one end at a time while lowering the brace

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.