TM 55-1520-240-23-5 6-20 ALIGN FORWARD DRIVE SHAFTING 6-20 INITIAL SETUP Applicable Configurations: All Tools: Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692 Torque Wrench, 700-1600 Inch-Pounds Materials: Dry Cleaning Solvent (E162) Cloth, Cleaning (E120) Gloves (E186) Grease (E190.1) Goggles (E473) Personnel Required: CH-47 Helicopter Repairer Inspector References: Task 6-9 Task 6-19 TM 55-1520-240-23P Equipment Condition: Battery Disconnected (Task 1-39) Electrical Power Off Pylon Hinged Fairing Open (Task 2-2) Pylon Lower Fairing Raised (Task 2-2) No.  7 Drive Shaft Removed (Task 6-4) Combining Transmission Forward Adapter Assembly Removed (Task 6-6) Forward Drive Shaft Tunnel Access Covers Open (Task 2-2) 6-60 Change 1