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STEP 13: DIMPLE FIRST HOLE STEP 15: DIMPLE REMAINING HOLES Remove tool. Remove any chips or burrs from the drill- Remove any chips or burrs from the drilling operation. ing operation. Place the assembly on a solid surface. Dimple the next(2) holes as done in Step 13. Make sure Using the punch supplied with the 71 SO-TOOL,71 SO- the assembly is on a solid surface when punching. After TOOLC,and 71 SO-TOOLCT,align the tip of the punch punching,remove any chips that may have fallen into with the drilled hole and dimple the upper drop tube by the inlet tube screw hole. striking the punch with a hammer until the drop tube is formed into countersunk hole in the inlet tube. After punching, remove any chips that may have fallen into the inlet tube screw hole. " Align punch with I_ drilled hole Figure 15 STEP 16: ASSEMBLE OTHER SCREWS Apply black moly grease to screws and tighten the oth- er(2) screws into inlet tube with a screwdriver as done Figure 13 in Step 14. Use only the taptite screws that are supplied with the unit. Seating torque is 20 in-lbs min.to 35 in- STEP 14: ASSEMBLE FIRST SCREW lbs max. Do not over tighten. Ensure that the drop tube was formed into the counter- sunk screw hole as shown in Figure 14 if not return to STEP 17: APPLY GREASE TO LOWER O-RING AND Step 13. Apply black moly grease to screw and tighten BODY THREADS first screw into inlet tube with a screwdriver. Use only Apply black moly grease to the lower tube o-ring and the taptite screws that are supplied with the unit. Seat- body threads as shown. Make sure coverage is com- ing torque is 20 in-lbs min.to 35 in-lbs max. Screw head pletely around the o-ring. Install o-ring in groove just should be flush with the drop tube. Do not over tight- above threads. en. Apply grease around o-ring Ensure the drop tube Is formed Into countersunk hole O-ring Figure 14 groove Body threads Figure 17 11