MASTER CYLAS 6R8142 - Caterpillar

3. Remove two screws (1) that hold valve to dash.4. Remove valve (2) from under dash.5. Put valve (2) in position under the dash and install two screws (1) that hold the valve to the dash.6. Connect the two air lines to the valve.Disassemble Front Wheel Brake Control Valve
start by:a) remove front wheel brake control valve 1. Remove cap nut (5) from brake control valve (1).2. Remove seal (4) from the cap nut.3. Remove spring (3) and inlet valve (2). 4. Push out pin (6) and remove lever (7).5. Remove plunger (8), plunger spring (10) and spring seat (11) from the brake control valve.6. Remove seal (9) from the plunger.7. Inspect all seals. If damaged, use new parts for replacement.