TM 5-3805-260-10OPERATING ADJUSTMENT’Elevator Drive SprocketBefore making any adjustments, stop tractor-scraperengine and set brakes.1.Top shaft should remain parallel with bottom shaft. Ifadjustment is necessary loosen Chain Support RollersChain Support rollers1.Chain should have 6 to 9 inches (150 to 230 mm) ofslack, measured midway between upper and lowerrollers at lower loop.3.Remove lower bolt from bracket.bracket mounting bolts. Move assembly up or down asrequired.2.Both sprockets should be adjusted, if necessary, toalign chain assembly.2.Block under chain to relieve weight on roller.4.Loosen bracket upper bolt.1-34
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