TM 9-2320-209-20-3-3 1. Using 7/8-inch wrenches, unscrew and take off hose assembly fitting (1) from pump fitting with check valve (2). 2. Using 7/8-inch wrenches, unscrew and take off hose assembly fitting (3) from pump fitting (4). Take out hose assembly (5). GO TO FRAME 6 18-448