GRATE AS 1797263 - Caterpillar

Stick (1)
Illustration 17 g02931655
Section M-M
Table 17
Item Qty Part Specification Description
89 1 122-7673 Special Bolt Before assembly, coat the threads of the stick stem with red Loctite 271, when the stick stem does not have the spiral lock threads.
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 - - Tighten the nut to 122.5 2.5 N m (90.4 1.9 lb ft).
93 - - Tighten the nut to 200 20 N m (147 15 lb ft).
94 1 515-2707 Relief Valve Gp Lubricate the bore lightly with the lubricant that is being sealed.
Torque to 116 8 N m (86 6 lb ft). Boom (2)
Illustration 18 g02931656
Section N-N
Table 18
Item Qty Part Specification Description
95 1 122-7673 Special Bolt Before assembly, coat the threads of the boom stem with red Loctite 271, when the boom stem does not have the spiral lock threads.
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 1 122-7750 Relief Valve Gp Lubricate the bore lightly with the lubricant that is being sealed.
Torque to 195 20 N m (144 15 lb ft).
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 1 122-7748 Spring Length under test force is 54.45 mm (2.144 inch).
Test force is 929.67 46.50 N (209.00 10.45 lb).
Free length after test is 61.65 mm (2.427 inch).