623F Wheel Tractor-Scraper Hydraulic System Caterpillar


Oil Filter and Bypass Valve

Usage:

623F 5EW



Illustration 1g00302544

Pressure setting for bypass valve ... 207 kPa (30 psi)

(1) 7J-2983 Spring

Test length ... 64.3 mm (2.53 inch)
Test force ... 267 ± 21 N (60 ± 5 lb)
Free length after test ... 219.7 mm (8.56 inch)
Outside diameter ... 152.4 mm (6.00 inch)

(2) 3G-3273 Spring

Test length ... 55.6 mm (2.19 inch)
Test force ... 984.1 ± 78.7 N (221.24 ± 17.70 lb)
Free length after test ... 143.76 mm (5.660 inch)
Outside diameter ... 82.55 mm (3.250 inch)

(3) Apply 7M-7456 Compound to the rod threads.

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