TM 9-2320-209-20-3-3 FRAME 2 1. Unscrew and take off two covers (1 and 2) from gate valves (3 and 4). 2. Using spanner wrench , screw on and tighten reducer (5) to gate valve (3). 3. Using spanner wrench, screw on and tighten two hoses (6 and 7) to two gate valves (3 and 4). NOTE Follow-on Maintenance Action Required: Close rear compartment doors. END OF TASK 18-342