CONVERSION AR-MACHINE 3559336 - Caterpillar

1. Remove hose clamp retaining bolt (2) so that hose (1) may be moved around for clearance.2. Remove step (3) by removing four bolts. 3. Put identification marks on all seven hoses, and disconnect them from brake control valve (4).4. Remove four bolts (5), and remove the valve from the frame. The following steps are for installation of the brake control valve.5. To install the valve, put valve (4) in position on the frame, and install four bolts (5). Connect seven hoses to the valve.6. Put step (3) in position, and install the four bolts that hold it. Install hose clamp retaining bolt (2).Disassemble Brake Control Valve
START BY:a. remove brake control valve 1. Remove the fittings from the brake control valve if necessary.2. Remove four bolts (2), retainer (3) and plate (1) from the brake control valve.3. Remove the diaphragm from plate (1). 4. Remove piston (4) and adapter (5) from the valve body.5. Remove the lip-type seal from adapter (5). 6. Remove spool (8) and spring (7) from the valve body.7. Remove relief valve (6) from the valve body. 8. Disassemble the relief valve as follows:a. Remove O-ring seals (9) and (10) from body (11).b. Remove plug (15) from body (11). Remove shims (13) and O-ring seal (14) from plug (15).c. Remove spring (17), dowel (12) and valve (16) from body (11). 9. Remove plug (18). Remove the O-ring seal from plug (19).10. Remove check valve (18) from the valve body. 11. Disassemble the check valve as follows:a. Remove O-ring seals (20) and (21) from body (22).b. Remove plug (25) from body (22), and remove O-ring seal (24) from the plug.c. Remove spring (27), dowel (23) and valve (26) from body (22).Assemble Brake Control Valve
1. Assemble the check valve as follows:a. Put valve (4), dowel (5) and spring (6) in position in body (3).b. Put O-ring seal (7) on plug (8), and install plug (8) in body (3).c. Install O-ring seals (1) and (2) on body (3). 2. Put clean oil on the O-ring seals, and install check valve (9) in valve body (10).3. Put clean oil on the O-ring seal, and put the O-ring seal in position on plug (11). Install plug (11) in valve body (10). 4. Assemble the relief valve as follows:a. Put valve (14), dowel (15) and spring (16) in position in body (20).b. Put O-ring seal (18) on plug (19). Put shims (17) in plug (19), and install plug (19) in body (20).c. Put O-ring seals (12) and (13) in position on body (20). 5. Put clean oil on the O-ring seals, and install relief valve (21) in valve body (10).6. Put spring (22) and spool (23) in position in valve body (10) as shown. 7. Use tool (A) to install lip-type seal (24) in adapter (25). Install the seal with the lip as shown and until it bottoms in the counterbore of the adapter. 8. Put O-ring seal (26) in position in adapter (25).9. Put clean oil on the lip-type seal