MOTOR GP-PISTON 5124635 - Caterpillar

Stick (1)
Illustration 18 g02929531
Section N-N
Table 18
Item     Qty     Part     Specification Description    
89     1     122-7673 Special Bolt     Before assembly, apply red Loctite 271 to the thread.
Torque to
70 10 N m (52 7 lb ft).    
90     1     122-7694 Spring     Length under test force is
69.50 mm (2.736 inch).
Test force is
202.2 10.1 N (45.5 2.3 lb).
Free length after test is
70.90 mm (2.791 inch).    
91     1     122-7719 Spring     Length under test force is
30.0 mm (1.18 inch).
Test force is
8.904 0.490 N (2.002 0.110 lb).
Free length after test is
38.11 mm (1.500 inch).    
92     -     -     Torque to
64.9 6.8 N m (47.9 5.0 lb ft).    
93     -     -     Torque to
24.4 2.7 N m (216.0 23.9 lb in).    
94     1     239-8984 Relief Valve Gp     Torque to
82 7 N m (60 5 lb ft).    Boom (2)
Illustration 19 g02929534
Section P-P
Table 19
Item     Qty     Part     Specification Description    
95     1     122-7673 Special Bolt     Before assembly, apply red Loctite 271 to the thread.
Torque to
70 10 N m (52 7 lb ft).    
96     1     122-7692 Spring     Length under test force is
69.50 mm (2.736 inch).
Test force is
624.0 31.2 N (140.3 7.0 lb).
Free length after test is
74.90 mm (2.949 inch).    
97     1     122-7689 Spring     Length under test force is
36.35 mm (1.431 inch).
Test force is
4.96 0.50 N (1.12 0.11 lb).
Free length after test is
43.7 mm (1.72 inch).    
98     1     122-7687 Plug     Torque to
75 7 N m (55 5 lb ft).    
99     1     122-7753 Spring     Length under test force is
24.0 mm (0.94 inch).
Test force is
16.18 0.81 N (3.64 0.18 lb).
Free length after test is
45.0 mm (1.77 inch).    
100     1     122-7748 Spring     Length under test force is
54.45 mm (2.144 inch).
Test force is
930.1 46.5 N (209.1 10.5 lb).
Free length after test is
61.65 mm (2.427 inch).    
101     As required, use the following shims:    
1 4J-6806 Shim     Thickness is
0.048 mm (0.0019 inch).    
2 5M-9624 Shim     Thickness is
0.250 mm (0.0010 inch).    
102     1     122-7750 Relief Valve Gp     Lubricate the bore lightly with the lubricant that is being sealed.
Torque to
195 20 N m (144 15 lb ft).