KIT-FILTER 20R3510 - Caterpillar

Installation Instructions:
1. Drill a 33.00 mm (1.281") hole in the wall of the tank, as shown in Illustration 1 and 3.2. Drill a 20.00 mm (.781") hole in the wall of the tank, as shown in Illustration 1. Weld a 5J338 Boss in this hole.3. Remove the S1621 Bolts, 8J3539 Tube Assembly and 8J1803 Tube Assembly from the existing valve group. See Illustration 3. Cover the valve to filter inlet of the valve with a 2J6195 Cover, 4J519 Seal, two S1595 Bolts and two 5P8245 Washers.4. Drill a 22.5 mm (.88") hole and two 13.8 mm (.54") holes in the tank for the supply lines to the third valve. See Illustration 2.
Illustration 1. Hole locations for 5J338 Boss and 8J1643 Tube. Welding dimensions for 5J338 Boss.
Illustration 2. Hole locations for valve supply lines.
Illustration 3. Location of parts.5. Replace the 8J1803 Tube Assembly with an 8J1805 Tube Assembly, two S1621 Bolts and two 5P8245 Washers. Connect the new 8J1643 Tube to the 8J1805 Tube Assembly with the hose removed earlier, and two 9M164 Clamps. See Illustration 4. Put the 8J1643 Tube through the 33.00 mm (1.281") hole in the tank.6. Weld the 8J1643 Tube to the tank. See Illustration 5.7. Connect the third valve group to the 8J1643 Tube.
Illustration 4. Installation of new parts.
Illustration 5. Weld 8J1643 Tube.