FAN GP-SUCTION 4718633 - Caterpillar

Open the drain valve on the air tank and remove the air pressure from the system before any lines are disconnected.
The disconnect switch must be in the "OFF" position before the dash assembly is moved.
1. Remove the six bolts (1) that hold the dash assembly in position. Pull the dash assembly to the steering column. 2. Remove pin (6) from knob (4) and remove the knob from the valve.3. Disconnect pipe (2) from the valve. Disconnect the air line (5) from the elbow on pipe (2).4. Remove nut (3) and pull the valve out a small distance.5. Put identification on the two wires as to their location on the air pressure indicator [found at the end of pipe (2)] and disconnect them.6. Remove the valve and air pressure indicator as a unit.Install Emergency And Parking Brake Control Valve
1. Put valve (1) and the air pressure indicator (2) in position on the machine.2. Connect the two electric wires to their correct location on air pressure indicator (2).3. Install the nut to hold valve (1) in position. Install the knob and pin on the valve. 4. Connect air line (3) to the valve. Connect the second air line to the elbow for the air pressure indicator. 5. Put dash assembly (4) in position and install the six bolts to hold it.Disassemble Emergency And Parking Brake Control Valve
start by:a) remove emergency and parking brake control valve 1. Remove screws (2) from valve body (1). Remove cover (3). 2. Remove nut (5) and washer from the shaft.3. Remove rubber spacer (4) and ring (6) from the valve body. 4. Remove shaft (7) and the spring from valve body (1). 5. Remove seal (8) from shaft (7).Assemble Emergency And Parking Brake Control Valve
1. Install seal (1) on shaft (5). Install spring (6) on the shaft and put shaft (5) in valve body (2).2. Install ring (7) in the valve body. Install spacer (3), washer (8) and nut (4) on the shaft. Hold the end of the shaft and tighten the nut. 3. Install cover (9) on valve body (2) and tighten the screws that hold it.end by:a) install emergency and parking brake control valve