TM 9-2320-209-20-3-3 18-52. MANHOLE COVER REPAIR. TOOLS: Spanner wrench, 4-inch span SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove manhole cover. Refer to para 18-51. b. Disassembly. FRAME 1 1. Using spanner wrench, unscrew and take out valve (1) with washer (2). 2. Take off cover (3), gasket (4), and retainer (5). END OF TASK 18-261