TM 9-2320-361-34 16-8. HYDRAULIC CYLINDER REPLACEMENT (M342A2) THIS TASK COVERS: a. Removal b. Installation INITIAL SETUP APPLICABLE MODELS REFERENCES (TM) M342A2 LO 9-2320-209 -12-1 TOOLS General mechanic’s tool kit (Appendix B, Item 1) Lifting device Chains MATERIALS/PARTS Six lockwashers (Appendix F, Item 140) PERSONNEL REQUIRED Two pressure. TM9-2320-361-10 TM9-2320-361-34P EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). GENERAL SAFETY INSTRUCTIONS . All personnel must stand clear during lifting operations. ● Position safety braces before working under raised dump body. ● Wear eye protection when working with fluid under CAUTION ● Cap or plug all openings immediately after disconnecting lines and hoses to prevent contamination. Remove caps or plugs prior to installation. Failure to do so may result in damage to equipment. ● Bypass tubes on outside of hydraulic cylinder are easily damaged. Use care when replacing hydraulic cylinder. NOTE Assistant will help with lifting operations. a. Removal WARNING 1. 2. ● All personnel must stand clear during lifting operations. A swinging or shifting load may cause injury to personnel. ● Never work under dump body until safety braces are properly posi- tioned. Injury to personnel may result if dump body suddenly lowers. Secure chains to dump body (1) and lifting device. Raise dump body (1) and position on two safety braces (2). Remove chains from dump body (1) and lifting device. WARNING 3. 4. 5. 6. 7. 8. 9. Wear eye protection when working with hydraulic hoses. Fluid in hoses may be under pressure failure to wear eye protection may result in injury to personnel. Disconnect two hydraulic lines (13) from cylinders (8). Secure chain to hydraulic cylinder (8) and lifting device and remove as much slack as possible from chain. Remove four screws (9), lockwashers (10), and two caps (11) from two frame braces (12). Discard lockwashers (10). Remove two screws (3), lockwashers (4), and two retainer halves (5) from crosshead (6). Discard lockwashers (4). Remove shaft (7) from crosshead (6) and slide shaft (7) into hydraulic cylinder (8). Remove hydraulic cylinder (8) from two frame braces (12). Remove chain from lifting device and hydraulic cylinder (8). 16-60