LIFT CYLINDER OVER CENTER VALVE INSTALLATION

Section II. FILTER AND LINES MAINTENANCE

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-20 LIFT CYLINDER OVER CENTER VALVE INSTALLATION TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033) SUPPLIES: Lockwasher (Item 15, Appendix C) EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.) REMOVAL: 1. REMOVE LIFT CYLINDER OVER CENTER VALVE ASSEMBLY (1). a. Tag and remove three hydraulic lines to valve assembly (1). Remove and discard packings (6) b. Remove bolts (2), washers (3), lockwashers (4) and nuts (5) securing valve assembly (1) to mount. Discard lockwashers (4). c. Remove over center valve assembly (1). INSTALLATION: 1. INSTALL LIFT CYLINDER OVER CENTER VALVE ASSEMBLY (1). a. Position over center valve assembly (1) on mount. b. Install bolts (2), washers (3), new lockwashers (4) and nuts (5). c. Connect three hydraulic lines with new packings (6) to valve assembly (1) as tagged on removal. 2. CONNECT GROUND CABLE AT SHUNT. (REFER TO PAGE 8-109.) 3. START CRANE AND CHECK FOR LEAKS AND PROPER OPERATION. END OF TASK 16-14

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