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With a 1/8” wrench, adjust all four studs by tightening the lock nuts (Figure 28), then loosening them 1/8 to 1/4 turn. If the lock nuts are set too tight, height control will not operate easily. If the lock nuts are too loose, excessive deflection of the outboard end of the drum carriage will result. 2. Apply lubricant to front and rear areas of motor mount slide. 3. Push height adjustment handle (Figure 28) downward to set firmly on housing. Figure 27 Figure 28 18 4. Loosen set screws on colla