TM 9-2320-209-20-3-3 18-42. WATER SEGREGATOR FILTER AND GO/NO-GO FUSES REMOVAL AND REPLACEMENT (TRUCK M49A2C). TOOLS: 9/16-inch open end wrench (2) 7/16-inch wrench 13/16-inch open end wrench Eye shields 1/2-inch open end wrench SUPPLIES: Manhole cover gasket Filter (3) GO/NO-GO fuses Fuel (type normally carried in tanker) Compressed air, 30 psi max PERSONNEL: One EQUIPMENT CONDITION: Truck Smoking, sparks within 50 feet of parked, engine off, handbrake set. WARNING or open flame are not allowed fuel truck during this task. Fuel may burn, causing explosion, injury to personnel, and damage to equipment. a. Removal. FRAME 1 1. Using 9/16-inch wrenches, unscrew and take out nut (1) and bolt (2). 2. Take off clamp ring (3). 3. Take off manhole cover (4) and gasket (5). GO TO FRAME 2 18-215