320D and 323D Excavators Machine System Specifications Caterpillar


Relief Valve (Main)

Usage:

320D A6F


Illustration 1g06129269

Table 1
Specification for Relief Valve Gp 
Item  Qty  Part  Specification Description 
6I-6795 Spring  Length under test force is 24.6 mm (0.97 inch).
Test force is 21.47 ± 1.72 N (4.83 ± 0.40 lb).
Free length after test is 30.0 mm (1.20 inch)
095-1786 Backup Ring  Lubricate the bore of the backup ring lightly with the lubricant that is being sealed. 
4I-3510 Spring  Length under test force is 32.200 mm (1.2677 inch).
Test force is 218.676 ± 10.934 N (49.200 ± 2.500 lb).
Free length after test is 35.600 mm (1.4016 inch)
171-0035 Holder  Torque to 75 ± 10 N·m (55 ± 7 lb ft)
Nut  Torque to 50 ± 10 N·m (37 ± 7 lb ft)
095-1587 O-Ring Seal  Lubricate the bore of O-ring seals lightly with the lubricant that is being sealed. 
095-1590 O-Ring Seal 
095-1579 O-Ring Seal 

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