TM 9-2320-280-20-23-12. AIR CLEANER ASSEMBLY AND DUST UNLOADER MAINTENANCE (Cont'd)10. Install dust unloader (16) on air cleaner assembly (9) and tighten clamp (15) to 45-50 lb-in.(5-6 N.m).11. Install dust unloader cover (17) on support brackets (4) with four screws (18).FOLLOW-ON TASK: Lower and secure hood (TM 9-2320-280-10).3-21