REMOVAL - TM-5-5420-278-24P

TORSION BAR REPLACEMENT REMOVAL, INSTALLATION

TORSION BAR REPLACEMENT (Cont) - TM-5-5420-278-24P_137

TM-5-5420-278-24P Common Bridge Transporter (CBT) M1977 and Bridge Adapter Pallet (BAP) M15 Manual
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TM 5-5420-278-24&P 0022 00 0022 00-2 TORSION BAR REPLACEMENT (Contd) REMOVAL WARNING All personnel must stand clear during lifting operations. Ensure ponton foldlock and travel latches are in good mechanical condition and securely locked prior to lifting outer ponton. Failure to comply may result in injury to personnel. NOTE Removal and installation of right and left torsion bars are performed the same way. Right side is shown. 1. Unlock foldlock (4), and lift outer ponton (3) from inner ponton (5) until preload tension on torsion bar lever (2) is off turnbuckle (1). 2. Remove screw (6), washer (7), and pin (8) from turnbuckle (1) and torsion bar lever (2), and slide turnbuckle clevis (9) off torsion bar lever (2). 3. Remove screw (22), washer (23), and washer (24) from torsion bar lever (2) and torsion bar (20). 4. Install washer (24), washer (23), and screw (22) on torsion bar (20) finger tight. 5. Mark position of torsion bar lever (2) on outer ponton (3), and remove torsion bar lever (2) from torsion bar (20). 6. Mark position of flange (15) and outer ponton (3), and remove eight screws (17), washers (16), and torsion bar housing (14) from outer ponton (3). NOTE Note location and quantity of spacer(s) for installation. 7. Remove screw (25) from torsion bar housing (14) and washer (12). 8. Remove screw (10), washer (11), washer (12), and spacer(s) (13) from torsion bar housing (14) and torsion bar (20). 9. Push torsion bar (20) out of torsion bar housing (14). NOTE Perform step 10 if removing spacer from torsion bar. 10. Using puller, remove spacer (21) from torsion bar (20). 11. Remove O-ring (18) and lube fitting (19) from flange (15). Discard O-ring (18). 1 2 3 4 5 1 2 3 5

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