VALVE GP-PUMP CONTROL 2590907 - Caterpillar

START BY:a) remove wheels 1. Remove the bearing cone, the Duo-Cone seal and the retainer behind the Duo-Cone seal. The above parts are removed to prevent damage to them.2. Put blocks (1) between the shoes (2) and axle housing to get clearance for the removal of the camshaft.3. Remove two shields (3). 4. Remove the cotter pin and pin (4). Put a mark on the slack adjuster and camshaft for assembly purposes. 5. Use tool (A) to remove snap ring (5) from the groove in the camshaft. 6. Remove camshaft (9), slack adjuster (10), snap ring (6) and washers (7) and (8). 7. Remove lip type seals (11). Use tooling (B) to remove bearing (12). Use tooling (C) to remove bearing (13).Install Brake Camshafts And Slack Adjusters
1. Use tooling (A) to install the bearing in the axle housing. Use tooling (A) to install bearing (1) so that it is 7.9 0.5 mm (.311 .020 in.) below surface (2).2. Use tooling (A) to install the three lip type seals as shown. Put clean 1P808 General Purpose Type Grease on the bearings and the seals. 3. Install washer (6) on camshaft (7). Install camshaft (7), washer (5), snap ring (4) and slack adjuster (3). Make sure the mark on the slack adjuster is in alignment with the mark on the camshaft (see Step 4 in the removal section). 4. Put washer (5) in position against bracket (8). Use tool (B) to install snap ring (4) in the groove in the camshaft. 5. Install the pin and cotter pin that holds the end of slack adjuster (3) in position in yoke (9). 6. Install two shields (10). 7. Make sure the seal is in position on retainer (11). Install retainer (11) with the flat side of the retainer toward the inside of the machine.8. Install bearing cone (12). The rubber seals and all surfaces that make contact with the seals must be clean and dry. After installation of the seals, put oil on the contact surfaces of the metal seals.9. Use tool (C) to install the Duo-Cone seal in the retainer.END BY:a) install wheelsb) make an adjustment to the brakes (see SPECIFICATIONS FOR AIR SYSTEM AND BRAKES)