793C and 793C XQ Off-Highway Truck Hydraulic System Relief Valve (Hoist Dual Stage) Caterpillar


Relief Valve (Hoist Dual Stage)
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Illustration 1g03387120

Table 1
Specification for 109-6918 Relief Valve Gp 
Item  Qty  Part  Specification description 
As required use the following shim: 
3 5J-2721 Shim  Thickness is 0.13 mm (0.005 inch)
2 5J-2722 Shim  Install shims against spring end.
Thickness is 1.22 mm (0.048 inch)
As required use the following shim: 
9 5J-2721 Shim  Thickness is 0.13 mm (0.005 inch)
2 5J-2722 Shim  Install shims against spring end.
Thickness is 1.22 mm (0.048 inch)
9J-3999 Spring  Length under test force is 50.5 mm (1.99 inch)
Test force is 308.7 ± 24.9 N (69.4 ± 5.6 lb).
Free length after test is 59.2 mm (2.33 inch).
129-6731 Spring  Length under test force is 59.29 mm (2.334 inch)
Test force is 0 ± 0 N (0 ± 0 lb).
Free length after test is 59.29 mm (2.334 inch).
123-6777 Spring  Length under test force is 23.01 mm (0.906 inch)
Test force is 44.48 ± 2.20 N (10.00 ± 0.49 lb).
Free length after test is 28.60 mm (1.126 inch).
123-3848 Spring  Length under test force is 48.00 mm (1.890 inch)
Test force is 105.33 ± 5.25 N (23.68 ± 1.18 lb).
Free length after test is 65.18 mm (2.566 inch).