STUD 3958380 - Caterpillar

Illustration 1 g02783856
Illustration 2 g02783883
View (AA)
Illustration 3 g02783880
View (BB)
Table 1
Specification for 257-6301 Service and Parking Brake Gp    
Item     Qty     Part     Specification Description    
1     49     9X-6417 Bolt     Torque to
310 25 N m (229 18 lb ft).    
2     33     139-4774 Taperlock Stud     Torque to
260 25 N m (192 18 lb ft).    
3     5     9D-7989 Nut     Torque to
270 15 N m (199 11 lb ft).    
4     5     5P-4088 Taperlock Stud     Torque to
100 15 N m (74 11 lb ft).    
5     28     9D-6135 Spring     Length under test force
90.5 mm (3.6inch).
Test force
1535 44 N (345.08 9.89 lb).
Free length after test
115.49 mm (4.55 inch).    
6     32     9D-6093 Spring     Length under test force
90.5 mm (3.6 inch).
Test force
4235 254 N (952.07 57.10 lb).
Free length after test
116.5 mm (4.6 inch).    
7     2     7D-3013 Damper     Install one damper assembly with facing material towards end plate and one damper assembly with facing material towards service piston.    
8     12     291-2901 Friction Disc     Oil friction disc at assembly with lubricant.    
9     4     9D-9121 Spring     Length under test force
74.9 mm (2.9 inch)
Test force
890 27 N (200.08 6.07 lb)
Free length after test
91.14 mm (3.59 inch)    
10     35     0S-1625 Bolt     Torque to
40 10 N m (29.50 7.38 lb ft)
Turn an additional 60 5 degrees    
11     9     9D-7989 Nut     Torque to
270 15 N m (199 11 lb ft).    
12     27     5D-4809 Taperlock Stud     Torque to
100 15 N m (73.76 11.06 lb ft)