CARTRIDGE GP -A 20R5226 - Caterpillar

Pressure setting of relief valve ... 1725 25 psi(121.3 1.7 kg/cm2)(1) Torque for bolt ... 25 1 lb. ft.(3.5 0.14 mkg)(2) 6B6663 Spring for check valve: Length under test force ... 1.03 in.(26.2 mm)Test force ... 1.67 .08 lb.(0.76 0.04 kg)Free length after test ... 2.50 in.(63.5 mm)Outside diameter ... 0.68 in.(17.3 mm)(3) 4J4506 Spring for make-up valve: Length under test force ... 1.40 in.(35.6 mm)Test force ... .68 .05 lb.(0.3 0.02 kg)Free length after test ... 1.85 in.(47.0 mm)Outside diameter ... .562 in.(14.3 mm)(4) 8F394 Spring for dump valve: Length under test force ... 1.22 in.(30.99 mm)Test force ... 5.4 to 6 lb.(2.4 to 2.7 kg)Free length after test ... 2.25 in.(57.1 mm)Outside diameter ... 0.484 in.(12.30 mm)(5) Torque for plugs in valve body ... 43 lb. ft.(5.9 mkg)(6) 4F7115 Spring for pilot valve: Length under test force ... 1.34 in.(34.0 mm)Test force ... 54.5 4.3 lb.(24.7 2.0 kg)Free length after test ... 1.7 in.(43.0 mm)Outside diameter ... 0.468 in.(11.90 mm)