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Nickel. MAINTENANCE (continued) Replacing the Optional Roller Tensioners 1. Remove the acorn nuts and old roller Tensioner Assembly (Figure 12). 2. Replace Tensioner Assembly, and reassemble. 3. Make sure the spacers are placed inside the Tensioner arm. The spacers are smaller than the holes to allow the Tensioner to pivot freely. Weld Screws Acorn Nuts Tensioner Assy. Spacers Teflon Tape Figure 12. Replacing Roller Tensioner Assy. Figure 14. Measuring Roller Tensioner Replacing the Spring Tensi