TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Disconnect Connect 1. Remove six self-locking nuts (A) attaching right side 1. Install six self-locking nuts (B) securing left side of of cooling fan shroud to top frame. cooling fan shroud to top frame. 2. Remove six self-locking nuts (B) attaching left side of 2. Install six self-locking nuts (A) securing right side of shroud to top frame. shroud tn frame. Figure 4-37. Disconnecting or connecting cooling fan shroud on top frame. Figure 4-38. Disconnecting or connecting rear end of cooling fan shroud and removing or installing cooling fan shroud and fan housings. Disconnect and remove 1. Remove four screws (A) attaching right rear shroud and right rear center shroud to cooling fan shroud. 2. Remove three screws (B) attaching left rear shroud and left rear center shroud to cooling fan shroud. 3. Remove cooling fan shroud (C) and fan housings from engine. Connect and install 1. Position cooling fan shroud (C) and fan housings on engine. Be sure raised fan housing is to the rear of the engine. 2. Install three screws (B) securing left rear shroud and left rear center shroud to cooling fan shroud. 3. Install four screws (A) securing right rear shroud and right rear center shroud to cooling fan shroud. 4-20