BOX GP-STORAGE 4509259 - Caterpillar

Illustration 14 g02130634
Drying the threads
Use compressed air to dry the threads.
Illustration 15 g02130715
Applying thread lock to the pin
If the special pin is used, apply 9S-3263 Thread Lock Compound to the threads.
If a pipe plug is used, apply 154-9731 Thread Lock Compound to the threads.
Illustration 16 g02130718
Pin installed in tapped hole
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Tighten the pin
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Installed pin (head separated)
Install the plug or the pin.
If a pin is used, then tighten the pin until the pin head separates from the pin body.
If a plug is used, then tighten the plug to the torque found in chart A.
Table 2
Chart A
Torque for Pipe Plugs    
Pipe Thread Size     Recommended Torque    
1/16     10 N m (7 lb ft)    
1/8    
16 N m (12 lb ft)    
1/4    
20 N m (15 lb ft)    
3/8    
35 N m (26 lb ft)    
1/2    
45 N m (33 lb ft)    
3/4    
60 N m (44 lb ft)    
1    
75 N m (55 lb ft)    
Illustration 19 g02130673
Grinding the pin flush
Illustration 20 g02130674
Example of pin ground flush
Grind off the pin or the plug until flush with the casting surface.
Illustration 21 g02130675
Pin peening the area
Illustration 22 g02130676
Example of pin peened area
Use a suitable tool in order to pin peen the repaired area, to help relieve stresses and aid in sealing.
Illustration 23 g02130693
Pin extending into the cylinder block
Check to ensure that the amount of the pin or the plug that extends into the cylinder block will not interfere with the rotating components of the engine.Test Procedure
After a repair is complete, a test should be performed to make sure that there is good seal. The two acceptable testing methods are listed below.Soap and Water
Apply air pressure to the inside of the repaired area. Put a soap and water solution on the opposite side. Soap bubbles will appear if the repaired area has a leak.Dye Penetrant
Repaired areas should be tested by applying dye penetrant to one side of the repair. The penetrant will soak through if a leak exists.
Illustration 24 g02130695
Completed repairAfter the testing is completed, the repaired area can be cleaned and painted to give a nearly invisible repair, as shown in Illustration 24Reinstall the components that were removed in order to perform the repair.