V-BELT SET 1644543 - Caterpillar

2. Remove plate (1).3. Put identification on the five air lines (2) and (4) for installation purpose. 4. Disconnect five air lines (2) and (4) from the brake control valve (3). 5. Remove the cotter pin and pin (7) that holds the treadle (5) to the plate. Remove treadle (5).6. Remove three bolts (6) that hold the brake control valve to the plate.7. Remove the brake control valve.Install Brake Control Valve
1. Put the brake control valve (1) in position and install the bolts that hold it to the plate for the treadle.2. Install the treadle.3. Connect the five air lines in their original position.4. Install the plate on the side of the operator's compartment.Disassemble Brake Control Valve
start by:a) remove brake control valve
Piston assembly (2) is under spring pressure.
1. Push down on piston assembly (2) and bend the locks out on retainer (1). Slowly remove the piston assembly and spring from the valve. 2. Remove the O-ring seal (3) from the piston (2).3. Remove the bolt (4), seat (5) and spring rubber from the piston. 4. Use tool (A) to remove snap ring (6).5. Remove valve assembly (7). 6. Remove screw (8), washer and diaphragm (9) from the valve assembly.7. Remove the spring under diaphragm (8) that holds the valve together.8. Remove the spring (10), valve and retainer (11).Assemble Brake Control Valve
1. Install retainer (6) on valve (8) with the flat side toward spring (5).2. Install O-ring seal (7) on valve (8).3. Install spring (5) on valve (8).4. Push valve (8) and spring (5) on to seat (4) until spring (3) can be installed to hold the valve and seat together.5. Install diaphragm (2), washer and screw (1) on seat (4). 6. Install the valve assembly in the valve body. Install snap ring (9) to hold the valve in place with tool (A). 7. Install O-ring seal (13) on piston (14).8. Install spring (rubber) (12) on piston (14) with the outside chamfer toward seat (11).9. Install seat (11) and bolt and washer (10) on piston (14). 10. Install piston (14) and spring (15) in valve body (16).11. Push piston (14) into valve body (16) and install the retainer that holds the piston in place.end by:a) install brake control valve