320 GC, 320 and 323 Excavator Machine Systems Specifications Caterpillar


Control Valve (Auxiliary)

Usage:

320 GC BR4


Illustration 1g06248524
Typical example

Table 1
Item  Qty  Part  Specification Description 
8T-5005 Bolt  Torque to 49 ± 5 N·m (36 ± 4 lb ft)
153-5276 Special Bolt  Apply 154-9731 Thread Lock Compound to the threads.
Torque to 50.0 to 59.8 N·m (36.9 to 44.1 lb ft)
352-7057 Spring  Length under test force is 55.5 mm (2.13 inch).
Test force is 390.1 ± 19.5 N (87.7 ± 4.4 lb).
Free length after test is 59.68 mm (2.350 inch)
453-3440 Bolt  Torque to 49 ± 5 N·m (36 ± 4 lb ft)
225-4818 Plug As  Torque to 10 ± 1 N·m (89 ± 9 lb in)
Relief Valve As  Lubricate the O-ring seal lightly with the lubricant that is being sealed.
Torque to 104 ± 10 N·m (77 ± 7 lb ft). (1)
Torque to 95 ± 14 N·m (70 ± 10 lb ft). (2) 
7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.388 lb).
Free length after test is 28.0 mm (1.10 inch)
095-1590 O-Ring Seal  Lubricate the bore of the O-ring seal lightly with the lubricant that is being sealed. 
095-1787 Backup Ring  Lubricate the bore of the backup ring lightly with the lubricant that is being sealed. 
10  487-5873 Check Valve Plug  Torque to 240 to 260 N·m (177 to 192 lb ft)
(1) For 516-8631.
(2) For 555-8147 and 555-8149.

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