988K XE Wheel Loader Systems Caterpillar


Relief Valve

Usage:

988K XE E8X


Illustration 1g06053424

Table 1
Specification for 143-8912 Relief Valve Gp 
Item  Qty  Part  Specification Description 
6E-6136 Valve  Torque to 100 ± 5 N·m (74 ± 4 lb ft)
4J-0522 O-Ring Seal  Lubricate seal lightly with lubricant being sealed. 
142-4286 Spring  Length under test force is 39.4 mm (1.55 inch).
Test force is 301.7 ± 24.2 N·m (222.5 ± 17.8 lb ft).
Free length after test is 44.5 mm (1.75 inch) 
9X-6395 Nut  Torque to 50 ± 7 N·m (37 ± 5 lb ft)
6E-1127 Cap  Torque to 110 ± 10 N·m (81 ± 7 lb ft)

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