TM 5-3895-374-24P Table 6 - Normal Clearances for UNIVERSAL RAI® Blowers - Inches (MM) IMPELLER ENDS CYLINDER IMPELLER SIZE TOTAL DRIVE END GEAR END INLET & CENTER FRONTS MINIMUM MINIMUM DISCHARGE BACKS 22 .0061.100 (.15-.25) .003 (.08) .003 (.08) .004/.005 (.1-.13) .002/.003 (.05-.08) .007/.01 (.18-.25) 24 .0061.100 (.15-.25) .003 (.08) .003 (.08) .004/.005 (.1-.13) .002/.003 (.05-.08) .007/.01 (.18-.25) 32 .006/.011 (.15-.28) .003 (.08) .003 (.08) .004/1.006 (.10-.15) .002/.003 (.05-.08) .01/.012 (.25-.30) 33 .006/.011 (.15-.28) .003 (.08) .003 (.08) .004/.006 (.10-.15) .002/.003 (.05-.08) .01/.012 (.25-.30) 36 .006/.011 (.15-.28) .003 (.08) .003 (.08) .004/.006 (.10-.15) .002/.003 (.05-.08) .01/.012 (.25-.30) 42 .008/.011 (.20-.28) .004 (.10) .004 (.10) .005/.007 (.13-.18) .003/.004 (.08-.10) .009/.012 (.23-.30) 45 .008/.013 (.20-.33) .004 (.10) .004 (.10) .005/.007 (.13-.18) .0031.004 (.08-.10) .012/.015 ( .3-.38) 47 .008/.013 (.20-.33) .004 (.10) .004 (.10) .005/.007 (.13-.18) .003/.004 (.08-.10) .012/.015 ( .3-.38) 53 .008/.011 (.20-.28) .004 (.10) .004 (.10) .005/.008 (.13-.20) .003/.004 (.08-.10) .011/.013 (.28-.33) 56 .008/.013 (.20-.33) .004 (.10) .004 (.10) .005/.008 (.13-.20) .003/.004 (.08-.10) .015/.017 (.38-.43) 59 .008/.013 (.20-.33) .004 (.10) .004 (.10) .005/.008 (.13-.20) .003/.004 (.08-.10) .015/.017 (.38-.43) 65 .012/.016 (.30-.40) .008 (.20) .004 (.10) .006/.008 (.15-.2) .0061.008 (.15-.20) .010/.014 (.25-.36) 68 .014/.018 (.36-.46) .010 (.25) .004 (.10) .006/.008 (.15-.2) .006/.008 (.15-.20) .010/.014 (.25-.36) 615 .014/.018 (.36-.46) .010 (.25) .004 (.10) .006/.008 (.15-.2) .0061.008 (.15-.20) .010/.014 (.25-.36) 76 .012/.016 (.30-.40) .008 (.13) .004 (.10) .006/.008 (.15-.2) .006/.008 (.15-.20) .013/1.015 (.33-.38) 711 .014/.018 (.36-.46) .010 (.25) .004 (.10) .0061.008 (.15-.2) .006/.008 (.15-.20) .013/1.015 (.33-.38) 718 .014/.018 (.36-.46) .010 (.25) .004 (.10) .006/.008 (.15-.2) .006/.008 (.15-.20) .013/.015 (.33-.38) Figure 6 - Thrust Setting, 21/2"-5" UNIVERSAL RAI® 14 page C5 - 2