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STEP 13 : DIMPLE FIRST HOLE Remove tool . Remove any chips or burrs from the STEP 15 : DIMPLE REMAINING HOLES drilling operation . Place the assembly on a solid Remove any chips or burrs from the drilling surface . Using the punch supplied with the 71 SO- operation . Dimple the next (2 ) holes as done in Step TOOL and 71 SO-TOOLC , align the tip of the punch 13 . Make sure the assembly is on a solid surface with the drilled hole and dimple the upper drop tube when punching . After punching , remove any chips by striking the punch with a hammer until the drop that may have fallen into the inlet tube screw hole . 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 drilled hole 0 Figure 15 STEP 16 : ASSEMBLE OTHER SCREWS Apply black moly grease to screws and tighten the other (2 ) screws into inlet tube with a screwdriver as done in Step 14 . Use only the taptite screws that are supplied with the unit . Seating torque is 20 in- Figure 13 lbs min . to 35 in-lbs max . Do not over tighten . STEP 14 : ASSEMBLE FIRST SCREW STEP 17 : APPLY GREASE TO LOWER O -RING Ensure that the drop tube was formed into the AND BODY THREADS countersunk screw hole as shown in Figure 14 if not Apply black moly grease to the lower tube o-ring and body threads as shown . Make sure coverage is return to step 13 . Apply black moly grease to screw - completely around the o-ring . Install o- ring in groove andtighten first screw into inlet tube with a i screwdriver. Use only the taptite screws that are just above threads . supplied with the unit . Seating torque is 20 in-lbs min . to 35 in-lbs max. Screw head should be flush Apply grease with the drop tube . Do not over tighten . around o-ring I I Ensure the drop tube is O-ring formed into countersunk hole groove Body threads Figure 17 Figure 14 70 I I