MWO-9-2330-390-25-1 HMMWV M1022A1 Dolly Set Positioning Tube Reinforcement Download
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MWO 9-2330-390-25-1 C-1 APPENDIX C: TOP AND BOTTOM BEAM AND HYDRAULIC LIFT CYLINDER REMOVAL / INSTALLATION a. REMOVAL WARNING • Use extreme caution when handling heavy parts. Lifting device is required when parts weight over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and over 150 lb (63 kg) for a three or more person lift. Keep clear of heavy parts supported only by lifting device. Failure to follow this warning may cause serious injury or death to personnel. • DO NOT attempt to replace both lift cylinders at the same time unless dolly halves are attached to each other or top beam is supported by a suitable lifting device. If top beam is not supported, it will fall to the ground. Failure to follow this warning will cause serious injury or death to personnel. NOTE • Procedures are the same for front and rear dollies. Rear dolly is illustrated. 1. Attach a suitable lifting device to top beam (1) and adjust so that weight of top beam is on the lifting device. 2. Remove telescopic brace. 4. Support lift cylinder (73) with a suitable lifting device. 5. Remove cotter pin (75), flat washer (76), and clevis pin (77) from hydraulic lift cylinder (73) and top beam (1). Discard cotter pin.