MWO-9-2330-390-25-1 HMMWV M1022A1 Dolly Set Positioning Tube Reinforcement Download
Page 40 of 54
MWO 9-2330-390-25-1 C-8 APPENDIX C: TOP AND BOTTOM BEAM AND HYDRAULIC LIFT CYLINDER REMOVAL / INSTALLATION (Con’t). WARNING • Use extreme caution when raising top and bottom beams. Ensure that lifting device is secure and all personnel stand clear. Failure to follow warning may cause serious injury to personnel or damage to beams and positioning cylinders. 17. Raise the assembled top and bottom beams with positioning cylinders (2) installed to a vertical position. 18. If lockout brackets were removed, reinstall at this time. To do so, coat four bolts (79) with grease. Install top lockout bracket (83), four sleeves (82), bottom lockout bracket (81), four bolts and nuts (80) on each end of pivot axle assembly (8) and axle assembly (7). Hand tighten nuts, then tighten with wrench 1 ¼ to 2 flats. Install eight safety pins (78) on bolts (79). 19. Support hydraulic lift cylinder (73) with a suitable lifting device. 20. Install hydraulic lift cylinder (73) on top beam (21 – Front, 28 - Rear) with clevis pin (77), flat washer (76), and new cotter pin (75). 21. Remove lifting device from hydraulic cylinder (73). 22. Install telescopic brace.