TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Separate 1. Remove seven self-locking nuts (A) and flat washers. 2. Separate rear fan drive housing and accessory drive housing. 3. Remove two pipe plugs (B), one from accessory drive housing and one from fan drive housing. 4. Remove oil restrictor (C) from vertical oil passage in fan drive housing. 5. Remove oil restrictor (D) from horizontal oil passage in fan drive housing. Note. The installation of oil restrictors in specified engines is critical. Be certain the restrictors are kept with their respective housings. If restrictors are installed in housings not requiring them, or conversely, serious clutch damage will result. Attach 1. Install oil restrictor (D) in horizontal oil passage in fan drive housing. 2. Install oil restrictor (C) in vertical oil passage in fan drive housing. 3. Install two pipe plugs (B), one in fan drive housing and one in accessory drive housing. 4. Position accessory drive housing on fan drive housing. 5. Install seven self-locking nuts (A) and flat washers. Figure 6-167. Separating or attaching rear fan and accessory drive housing (housings equipped with oil restrictors). 6-142