2023 MASABA 7X20

2023

MASABA

7X20

2022302

Used

NC000749A

2023 Deister 7x20 Portable Three Deck Screen on Masba T/A Chassis Deister 3 Deck 7x20 Triple Shafted Horizontal Screen • Trunnion type spring support mounts on each corner, baked epoxy coated support springs • Snubbers (friction checks) - spring loaded • 1/4" thick HSLA steel sideplates formed along the top and bottom, with 5/16" thick formed HSLA steel reinforcing plates bolted to sideplates between bearing housing and sideplates • Access ports with cover plates in the sideplates • Removable back plates, rubber flap and steel combination • Screen media support panel configuration o Top deck – Screen cloth support panel constructed of 3" x 7" rectangular steel tube transverse members welded to formed angles bolted to the sideplates for easy replacement o Middle deck - Screen cloth support panel constructed of 3" x 7" rectangular steel tube transverse members welded to formed angles bolted to the sideplates for easy replacement o Bottom deck - Screen cloth support panel constructed of 3" x 7" rectangular steel tube transverse members welded to formed angles bolted to the sideplates for easy replacement • 4" long discharge lips protected by 1/4" thick AR steel replaceable wear plates • Tension plates (skirtboards) • Deister heavy duty tension screen cloth tensioning devices • Feed box with 1/4" AR steel replaceable wear plate in the bottom Eccentric Mechanism • The triple-shafted “gear-type” vibrating mechanism is located between the middle and bottom decks and equipped with 120 mm. spherical roller vibrating screen bearings • Steel-flanged vibrating mechanism tubes bolted to the sideplates • Oil fill and drain plugs and the oil level gauges located on the outside surface of the vibrating mechanism end covers plate • Deister “slingermist” oil bath lubrication system, with labyrinth type dust and oil seals requiring approximately 3-1/2 gallons of oil in the vibrating mechanism end covers acting as the oil reservoir and requiring only oil changes every 500 hours • Each vibrating mechanism tube is protected by a 3/8" thick steel-backed rubber shield tack welded to the tube • Eccentric shafts with adjustable weights for stroke adjustment • Bronze sleeve between bearing and shaft Drive System • Deister heavy duty rubber torsion pivoted motor base, less motor support • Wideband V-belt, and motor sheave • Belt guard, less mounting brackets Masaba Chassis • Tandem Axle Chassis - constructed of Heavy Duty wide flange beam • Heavy Duty 25,000lb Leaf Spring Suspension - with (8) 11R x 22.5 radial tires • Brake Package – air brakes, emergency valve and plumbing • Light Package – brake and directional signals • Screen Motor - WEG 50hp 1800rpm • Qty. (2) 30” Cross Conveyors – reversible. With Dodge TAII#2 reducer, WEG 7.5hp, PPI CEMA B idlers and 2-ply 3/16” x 1/16” belting with mechanical splice • 60” Underscreen Conveyor - rear discharge. With Dodge TAII #3 reducer, WEG 15hp, PPI CEMA C idlers, 2-ply 3/16” x 1/16” belting with vulcanized splice & Flexco belt cleaner • Screen Chutes – constructed of 3/8” AR steel. Top and middle chutes with blending gates • Underscreen Hopper – constructed of 1/4" mild steel with rubber liners • Catwalk & Ladder - diamond plate flooring with double handrail & kickplate on (3) sides of screen. (1) Aluminum access ladder. Chain closures at ladder access points • Hydraulic Lifting Jacks & Power Unit – (4) Masaba Lift-Only jacks and Gas power unit with electric start, pump, reservoir, filter valve body & plumbing. lockable cage • Switchgear – NOT INCLUDED • Cord Holder • Toolbox – with lockable, hinged lid. To eliminate wood crates for road transport • Guarding – Appropriate guarding supplied. We do not warrant that our guards will meet all local codes. It is the responsibility of the end user to have them checked by a local inspector Located in our Salt Lake City, UT yard