HOUSING-RELIEF 2P3674 - Caterpillar

Illustration 5 (A) Stick II control valve(B) Boom control valve(C) Bucket control valve(D) Attachment control valve(E) Right travel control valve(F) Straight travel control valve(G) Left travel control valve(H) Swing control valve(J) Stick control valve(K) Boom II control valve
Illustration 6Main relief valve pressure setting ... 34300 490 kPa (4975 71 psi)Line relief valve pressure setting (boom, stick, and bucket) ... 36800 1470 kPa (5337 213 psi)(1) Torque for two relief valves ... 145 15 N m (105 11 lb ft)(2) Two 107-6370 SpringsFree length ... 49.3 mm (1.94 inch)Outside diameter ... 15.5 mm (0.61 inch)(3) Torque for eleven plugs ... 200 25 N m (150 18 lb ft)(4) Four 4T-3148 Springs Free length ... 34.8 mm (1.37 inch)Outside diameter ... 5.4 mm (0.21 inch)(5) Two 104-7294 Springs Free length ... 62.3 mm (2.45 inch)Outside diameter ... 36.0 mm (1.42 inch)(6) Torque for eight bolts ... 50.0 to 59.8 N m (36.88 to 44.11) Apply 9S-3263 Thread Lock Compound to the threads of bolt (15).(7) Torque for plug ... 35 3 N m (25 2 lb ft)(8) Torque for eleven plugs ... 15 2 N m (11 1 lb ft)(9) Five 104-7293 Springs Free length ... 59.7 mm (2.35 inch)Outside diameter ... 36.0 mm (1.42 inch)(10) Torque for plug ... 50 9.8 N m (37 7 lb ft) Apply 9S-3263 Thread Lock Compound to the threads of bolt (15).(11) 107-6948 Spring Free length ... 50.2 mm (1.98 inch)Outside diameter ... 8.2 mm (0.34 inch)(12) Four 7I-1248 Springs Free length ... 28.0 mm (1.10 inch)Outside diameter ... 8.7 mm (0.34 inch)(13) 6E-5045 Spring Free length ... 30.0 mm (1.18 inch)Outside diameter ... 4.6 mm (0.18 inch)(14) Torque for four relief valves ... 95 14 N m (70 10 lb ft)(15) Torque for bolt ... 28 7 N m (21 5 lb ft) Apply 9S-3263 Thread Lock Compound to the threads of bolt (15).(16) 6E-5169 Spring Free length ... 72.2 mm (2.84 inch)Outside diameter ... 17.7 mm (0.70 inch)(17) 7I-7415 Spring Free length ... 38.8 mm (1.53 inch)Outside diameter ... 9.6 mm (0.38 inch)(18) Torque for relief valve ... 135 10 N m (100 7 lb ft)(19) Torque for plug ... 285 30 N m (210 22 lb ft)(20) 123-2445 Spring Free length ... 55.0 mm (2.17 inch)Outside diameter ... 36.8 mm (1.45 inch)(21) 3N-3252 Spring Free length ... 38.3 mm (1.507 inch)Outside diameter ... 10.3 mm (0.406 inch)(22) Torque for plug ... 50 7 N m (37 5 lb ft)(23) Two 104-7296 Springs Free length ... 60.0 mm (2.36 inch)Outside diameter ... 36.0 mm (1.42 inch)(24) Torque for two plugs ... 95 14 N m (70 10 lb ft)(25) Torque for two plugs ... 35 5 N m (26 4 lb ft)(26) 2S-2596 Spring Free length ... 33.3 mm (1.31 inch)Outside diameter ... 8.43 mm (0.332 inch)(27) 6I-6795 Spring Free length ... 30