Bedienungsanleitung Stearns Spring-Set Disc Brakes 500

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P/N 8-078-925-00
®
effective 11/6/97
Spring-Set Disc Brakes
Installation and Service Instructions for Series
55,000; 55,200; 55,300; 55,400; 55,500 and 57,500
Operating Principle
These series contain one or more friction
discs (4) assembled alternately between the
endplate (2) friction surface, stationary
disc(s) (3) and pressure plate (also called
stationary disc) (3). The stationary disc(s)
are restrained from rotating by being keyed
into the endplate. With the brake released,
all disc pack c

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4. If installing pulley or sprocket on brake 55,000 and 55,400 Series 55,500; 55,300 and 57,500 Series shaft, do not use excessive force during Remove housing nuts (15) by unscrewing Remove housing nuts (15) by unscrewing installation. Maximum overhung load at from housing studs (150), remove from housing studs (150), remove center of keyway length is 150 lbs. housing (7) by pulling back. housing (7) by pulling back. 5. After alignment, dowels are suggested to maintain alignment. 6. Remove housi

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AC Voltage Coil Connection Table 1 Nominal Maximum % Torque Required Torque Original Class H Coil (colored) Class B Coil (black) Series Static Torque Counterclock- Reduction Adjust Screw Spring Height (lb-ft) wise Turns per Turn Length (inches) (inches) 55,500 1.5 4 12 2 1 55,300 3, 6 & 10 4 12 2 7/8 55,500 15 3 16 2-3/4 1-27/32 55,300 55,000 1.5 3 16 2 1-1/8 55,000 55,200 3, 6, 10 & 15 3 16 2 1 55,400 55,000 55,200 25 3 16 2-3/4 1-7/8 55,400 For Power Line A Power Line B Tie Leads 57,500 Low vo

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the point where spring pressure is felt, 4. Reassemble brake in reverse order of travel remaining before plunger seats to before measuring solenoid air gap.) As Steps 1 and 2. frame.) friction disc wear occurs, the air gap will 5. Replace housing. 11. Check linkage for binding. The increase as well as stopping time. If approximate pressure applied to the top 6. Restore power source to brake. solenoid air gap exceeds 11/16”, of the solenoid link to move plunger is: adjustment is necessary. D. Mis