988K XE Wheel Loader Systems Caterpillar


Relief Valve

Usage:

988K XE E8X


Illustration 1g06140759

Table 1
Specification for 346-3797 Relief Valve Gp 
Item  Qty  Part  Specification Description 
9X-6395 Nut  Torque to 50 ± 7 N·m (37 ± 5 lb ft)
8T-4224 Hard Washer  As required. use the following washer:
Thickness of the washer is 2.0 mm (0.08 inch)
4T-4942 Spring  Length under test force is 54.3 mm (2.13 inch)
Test force is 1246 ± 100 N (280 ± 22 lb).
Free length after test is 63.2 mm (2.49 inch).
1U-4659 Valve Body  Torque to 65 ± 5 N·m (48 ± 4 lb ft)
7J-9933 O-Ring Seal  Lubricate the bore lightly with the fluid that is being sealed. 
3K-0360 O-Ring Seal  Lubricate the bore lightly with the fluid that is being sealed. 
Adjustment range is 20.5 ± 2.0 mm (0.81 ± 0.08 inch)

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