CONTROL AR-HYDRAULIC 1489209 - Caterpillar

Table 2
Parts Required    
Item     Qty     Part Number     Description    
8     2     9EQ2781     Mounting Flange    
9     9     8T-4223     Hard Washer    
10     8     5P-2566     Bolt    
11     2     4J-0524     O-Ring Seal    
12     4     1P-4579     Half Flange    
13     1     0DE5343     Hose As    
14     1     8T-8917     Bolt    
15     1     168-6890     Clip    
16     1     168-6891     Clip    
17     1     6V-1574     Grommet    
Remove the engine.
Drain each fuel tank into a suitable container for storage or disposal.
Illustration 5 g00929437
View of the fuel hose and fittings to be removed (1) 009-4440 Connector (2) 0DE4189 Hose As (3) 5S-7379 Bolt (4) 8T-4896 Hard Washer (5) 7D-4092 Clip (6) 2P-1312 Elbow
Remove the inspection cover from the top of each fuel tank.
Remove the following parts: 5S-7379 Bolts (3), 8T-4896 Hard Washers (4), 7D-4092 Clips (5), 0DE4189 Hose As (2), 009-4440 Connector (1) and 2P-1312 Elbow (6) .
Discard the following parts: 5S-7379 Bolts (3), 8T-4896 Hard Washers (4), 7D-4092 Clips (5), 0DE4189 Hose As (2), 009-4440 Connector (1) and 2P-1312 Elbow (6) .
Illustration 6 g00929438
View of the socket to be cut off flush (7) Socket
Manufacture a suitable plug and install inside socket (7) to prevent grinding and welding debris from entering the fuel tank.Note: Protect exposed wiring and hose assemblies from heat and sparks generated by grinding and generated by welding.Note: Prior to grinding and welding, refer to Service Magazine, SEPD0025, 2 July 1990, "Welding On Fuel And Hydraulic Tanks". This publication can be found on the Caterpillar Service Information System (SIS).Note: Prior to grinding and welding, refer to Maintenance Manual, RENR4700 (1DE0603), "Machine Repairs and Welding Procedures", "Safety".
Cut off shaded section of socket (4) .
Repeat Step 6 through 7 for the other side fuel tank.
Illustration 7 g00929439
View of the mounting flange to be welded to the fuel tank (8) 9EQ2781 Mounting Flange (A) Grind existing weld for flange placement typical both sides (W1) Seal weld all round 4 mm (0.16 inch) fillet weld (W2) Seal weld all round 6 mm (0.24 inch) fillet weld
Grind the area smooth for placement of 9EQ2781 Mounting Flange (8) .
Seal weld 9EQ2781 Mounting Flange (8) in position on the fuel tank. Refer to Illustration 7.
Remove the manufactured plug installed in Step 6.
Repeat Step 9 through 11 for the other side fuel tank.
Illustration 8 g00929441
View of 0DE5343 Hose As installation (9) 8T-4223 Hard Washer (10) 5P-2566 Bolt (11) 4J-0524 O-Ring Seal (12) 1P-4579 Half Flange (13) 0DE5343 Hose As (14) 8T-8917 Bolt (15) 168-6890 Clip (16) 168-6891 Clip (17) 6V-1574 Grommet
Install 0DE5343 Hose As (13). Refer to Illustration 8.
Install the inspection covers to the top of the fuel